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Part	Manufacturer	Memory IC Type	Temperature Grade	No. of Terminals	Package Code	Refresh Cycles	Package Shape	Package Body Material	Access Mode	Surface Mount	No. of Functions	Technology	Screening Level	Terminal Form	Operating Mode	Maximum Supply Current	No. of Words	Self Refresh	Input/Output Type	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Memory Width	Package Style (Meter)	Package Equivalence Code	Alternate Memory Width	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Output Characteristics	Organization	No. of Words Code	Minimum Operating Temperature	Terminal Position	No. of Ports	JESD-30 Code	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width	Qualification	Memory Density	Minimum Supply Voltage (Vsup)	Additional Features	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Maximum Standby Current	Length	Maximum Access Time
SMJ4C1024-10JDM	Texas Instruments	FAST PAGE DRAM	MILITARY	18	DIP	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	NO	1	CMOS	38535Q/M;38534H;883B	THROUGH-HOLE	SYNCHRONOUS	70 mA	1048576 words		SEPARATE	5	5	1	IN-LINE	DIP18,.3		DRAMs	2.54 mm	125 Cel	3-STATE	1MX1	1M	-55 Cel	DUAL	1	R-CDIP-T18	5.5 V	4.45 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp	22.606 mm	100 ns
SMJ44C256-10FQM	Texas Instruments	FAST PAGE DRAM	MILITARY	20	SON	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	YES	1	CMOS	MIL-PRF-38535	NO LEAD	SYNCHRONOUS	70 mA	262144 words		COMMON	5	5	4	SMALL OUTLINE	SOLCC20/26,.35		DRAMs	1.27 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	1	R-CDSO-N20	5.5 V	2.34 mm	8.89 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp	17.145 mm	100 ns
SMJ4C1024-10FQM	Texas Instruments	FAST PAGE DRAM	MILITARY	20	SON	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	YES	1	CMOS	38535Q/M;38534H;883B	NO LEAD	SYNCHRONOUS	70 mA	1048576 words		SEPARATE	5	5	1	SMALL OUTLINE	SOLCC20/26,.35		DRAMs	1.27 mm	125 Cel	3-STATE	1MX1	1M	-55 Cel	DUAL	1	R-CDSO-N20	5.5 V	2.34 mm	8.89 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp	17.145 mm	100 ns
SMJ4C1024-15HL	Texas Instruments	FAST PAGE DRAM	MILITARY	20	SON	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	YES	1	CMOS		NO LEAD	ASYNCHRONOUS		1048576 words			5		1	SMALL OUTLINE				1.27 mm	125 Cel	3-STATE	1MX1	1M	-55 Cel	DUAL	1	R-CDSO-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH				17.145 mm	150 ns
SMJ55166-70GBM	Texas Instruments	VIDEO DRAM	MILITARY	68	PGA	512	SQUARE	CERAMIC, METAL-SEALED COFIRED	FAST PAGE WITH EDO	NO	1	CMOS	38535Q/M;38534H;883B	PIN/PEG	ASYNCHRONOUS	225 mA	262144 words			5	5	16	GRID ARRAY	PGA68,9X9		Other Memory ICs	2.54 mm	125 Cel	3-STATE	256KX16	256K	-55 Cel	PERPENDICULAR	2	S-CPGA-P68	5.5 V		24.38 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 16 SAM PORT	NOT SPECIFIED	NOT SPECIFIED	.012 Amp	24.38 mm	70 ns
TMS48C121-80DZ	Texas Instruments	VIDEO DRAM	COMMERCIAL	40	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		J BEND	ASYNCHRONOUS	120 mA	131072 words			5	5	8	SMALL OUTLINE	SOJ40,.44		Other Memory ICs	1.27 mm	70 Cel	3-STATE	128KX8	128K	0 Cel	DUAL	2	R-PDSO-J40	5.5 V	3.76 mm	10.16 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 8 SAM PORT	NOT SPECIFIED	NOT SPECIFIED	.01 Amp	26.035 mm	80 ns
TMS45160-70DGE	Texas Instruments	FAST PAGE DRAM	COMMERCIAL	40	TSOP2	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		GULL WING	ASYNCHRONOUS	160 mA	262144 words	NO	COMMON	5	5	16	SMALL OUTLINE, THIN PROFILE	TSOP40/44,.46,32		DRAMs	.8 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	DUAL	1	R-PDSO-G40	5.5 V	1.2 mm	10.16 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	NOT SPECIFIED	NOT SPECIFIED	.001 Amp	18.41 mm	70 ns
TMS44C256-80SD	Texas Instruments	FAST PAGE DRAM	COMMERCIAL	20	ZIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS		THROUGH-HOLE	ASYNCHRONOUS	75 mA	262144 words		COMMON	5	5	4	IN-LINE	ZIP20,.1		DRAMs	1.27 mm	70 Cel	3-STATE	256KX4	256K	0 Cel	ZIG-ZAG	1	R-PZIP-T20	5.5 V	10.16 mm	2.8 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	NOT SPECIFIED	NOT SPECIFIED	.002 Amp		80 ns
TMS4C1025-10DJ	Texas Instruments	NIBBLE MODE DRAM	COMMERCIAL	20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	NIBBLE	YES	1	CMOS		J BEND	ASYNCHRONOUS	65 mA	1048576 words		SEPARATE	5	5	1	SMALL OUTLINE	SOJ20/26,.34		DRAMs	1.27 mm	70 Cel	3-STATE	1MX1	1M	0 Cel	DUAL	1	R-PDSO-J20	5.5 V	3.76 mm	7.57 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	NOT SPECIFIED	NOT SPECIFIED	.002 Amp	17.145 mm	100 ns
TM512LBK36B-10	Texas Instruments	FAST PAGE DRAM MODULE	COMMERCIAL	72	SIMM	512	RECTANGULAR	UNSPECIFIED	FAST PAGE	NO	1	CMOS		NO LEAD	ASYNCHRONOUS	585 mA	524288 words		COMMON	5	5	36	MICROELECTRONIC ASSEMBLY	SSIM72	18	DRAMs	1.27 mm	70 Cel	3-STATE	512KX36	512K	0 Cel	SINGLE	1	R-XSMA-N72	5.5 V	25.4 mm		Not Qualified	18874368 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH			.018 Amp		100 ns
TMS45165S-80DZ	Texas Instruments	FAST PAGE DRAM	COMMERCIAL	40	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		J BEND	ASYNCHRONOUS	140 mA	262144 words	YES	COMMON	5	5	16	SMALL OUTLINE	SOJ40,.44		DRAMs	1.27 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	DUAL	1	R-PDSO-J40	5.5 V	3.76 mm	10.16 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH; BYTE WRITE	NOT SPECIFIED	NOT SPECIFIED	.0002 Amp	26.035 mm	80 ns
TMS55175-70DGH	Texas Instruments	VIDEO DRAM	COMMERCIAL	64	SSOP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		GULL WING	ASYNCHRONOUS		262144 words			5		16	SMALL OUTLINE, SHRINK PITCH				.8 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	DUAL	2	R-PDSO-G64	5.5 V	2.38 mm	12.04 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 16 SAM PORT				26.295 mm	70 ns
5962-01-346-7327	Texas Instruments	FAST PAGE DRAM	MILITARY	20	SOJ	512	RECTANGULAR	CERAMIC		YES		CMOS	38535Q/M;38534H;883B	J BEND		60 mA	262144 words		COMMON	5	5	4	SMALL OUTLINE	SOJ20/26,.34		DRAMs	1.27 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL		R-XDSO-J20				Not Qualified	1048576 bit			NOT SPECIFIED	NOT SPECIFIED	.003 Amp		120 ns
SMJ44C256-12JDM	Texas Instruments	FAST PAGE DRAM	MILITARY	20	DIP	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	NO	1	CMOS	MIL-PRF-38535	THROUGH-HOLE	SYNCHRONOUS	60 mA	262144 words		COMMON	5	5	4	IN-LINE	DIP20,.3		DRAMs	2.54 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	1	R-CDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp		120 ns
SMJ44C256-12SVM	Texas Instruments	FAST PAGE DRAM	MILITARY	20	DIP	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	NO	1	CMOS	MIL-PRF-38535	THROUGH-HOLE	SYNCHRONOUS	60 mA	262144 words		COMMON	5	5	4	IN-LINE	ZIP20,.1		DRAMs	1.27 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	1	R-CDIP-T20	5.5 V	10.92 mm	2.92 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp	26.67 mm	120 ns
TMS4C1024-15DJL	Texas Instruments	FAST PAGE DRAM	COMMERCIAL	20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		J BEND	ASYNCHRONOUS		1048576 words			5		1	SMALL OUTLINE				1.27 mm	70 Cel	3-STATE	1MX1	1M	0 Cel	DUAL	1	R-PDSO-J20	5.5 V	3.76 mm	7.57 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH				17.145 mm	150 ns
TMS44C250-10DZL	Texas Instruments	VIDEO DRAM	COMMERCIAL	28	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		J BEND	ASYNCHRONOUS		262144 words			5		4	SMALL OUTLINE				1.27 mm	70 Cel	3-STATE	256KX4	256K	0 Cel	DUAL	2	R-PDSO-J28	5.5 V	3.76 mm	10.16 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT				18.415 mm	100 ns
TMS48C128-70DJ	Texas Instruments	FAST PAGE DRAM	COMMERCIAL	24	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		J BEND	ASYNCHRONOUS	85 mA	131072 words		COMMON	5	5	8	SMALL OUTLINE	SOJ24/26,.34		DRAMs	1.27 mm	70 Cel	3-STATE	128KX8	128K	0 Cel	DUAL	1	R-PDSO-J24	5.5 V	3.76 mm	7.57 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	NOT SPECIFIED	NOT SPECIFIED	.002 Amp	17.145 mm	70 ns
TMS45169P-70DZ	Texas Instruments	EDO DRAM	COMMERCIAL	40	SOJ	512	RECTANGULAR	PLASTIC/EPOXY		YES		CMOS		J BEND		160 mA	262144 words	YES	COMMON	5	5	16	SMALL OUTLINE	SOJ40,.44		DRAMs	1.27 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	DUAL		R-PDSO-J40				Not Qualified	4194304 bit			NOT SPECIFIED	NOT SPECIFIED	.00035 Amp		70 ns
TMX4C1024-15DJ	Texas Instruments	FAST PAGE DRAM		20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		J BEND	ASYNCHRONOUS		1048576 words			5		1	SMALL OUTLINE				1.27 mm		3-STATE	1MX1	1M		DUAL	1	R-PDSO-J20	5.5 V	3.76 mm	7.57 mm	Not Qualified	1048576 bit	4.5 V					17.145 mm	150 ns
TMS44C256-10DJL	Texas Instruments	FAST PAGE DRAM	COMMERCIAL	20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		J BEND	ASYNCHRONOUS		262144 words			5		4	SMALL OUTLINE				1.27 mm	70 Cel	3-STATE	256KX4	256K	0 Cel	DUAL	1	R-PDSO-J20	5.5 V	3.76 mm	7.57 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH				17.145 mm	100 ns
TMX44C259-12N	Texas Instruments	NIBBLE MODE DRAM		20	DIP	512	RECTANGULAR	PLASTIC/EPOXY	NIBBLE	NO	1	CMOS		THROUGH-HOLE	ASYNCHRONOUS		262144 words			5		4	IN-LINE				2.54 mm		3-STATE	256KX4	256K		DUAL	1	R-PDIP-T20	5.5 V	5.08 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V					24.325 mm	120 ns
TMS55166-80DGH	Texas Instruments	VIDEO DRAM	COMMERCIAL	64	SSOP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE WITH EDO	YES	1	CMOS		GULL WING	ASYNCHRONOUS	185 mA	262144 words			5	5	16	SMALL OUTLINE, SHRINK PITCH	SOP64,.54,32		Other Memory ICs	.8 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	DUAL	2	R-PDSO-G64	5.5 V	2.38 mm	12.04 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 16 SAM PORT	NOT SPECIFIED	NOT SPECIFIED	.005 Amp	26.295 mm	80 ns
TMX4C1029-15DJ	Texas Instruments	NIBBLE MODE DRAM		20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	NIBBLE	YES	1	CMOS		J BEND	ASYNCHRONOUS		1048576 words			5		1	SMALL OUTLINE				1.27 mm		3-STATE	1MX1	1M		DUAL	1	R-PDSO-J20	5.5 V	3.76 mm	7.57 mm	Not Qualified	1048576 bit	4.5 V					17.145 mm	150 ns
SMJ44C251B-12HJM	Texas Instruments	VIDEO DRAM	MILITARY	28	SOJ	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	YES	1	CMOS	38535Q/M;38534H;883B	J BEND	ASYNCHRONOUS	100 mA	262144 words			5	5	4	SMALL OUTLINE	SOJ28,.4		Other Memory ICs	1.27 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	2	R-CDSO-J28	5.5 V	4.52 mm	10.541 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS/HIDDEN REFRESH	NOT SPECIFIED	NOT SPECIFIED	.015 Amp	18.542 mm	120 ns
TMS55170-70DGH	Texas Instruments	VIDEO DRAM	COMMERCIAL	64	SSOP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		GULL WING	ASYNCHRONOUS		262144 words			5		16	SMALL OUTLINE, SHRINK PITCH				.8 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	DUAL	2	R-PDSO-G64	5.5 V	2.38 mm	12.04 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 16 SAM PORT				26.295 mm	70 ns
TMX44C256-10N	Texas Instruments	FAST PAGE DRAM		20	DIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS		THROUGH-HOLE	ASYNCHRONOUS		262144 words			5		4	IN-LINE				2.54 mm		3-STATE	256KX4	256K		DUAL	1	R-PDIP-T20	5.5 V	5.08 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V					24.325 mm	100 ns
TMS44C256-15DJL	Texas Instruments	FAST PAGE DRAM	COMMERCIAL	20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		J BEND	ASYNCHRONOUS		262144 words			5		4	SMALL OUTLINE				1.27 mm	70 Cel	3-STATE	256KX4	256K	0 Cel	DUAL	1	R-PDSO-J20	5.5 V	3.76 mm	7.57 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH				17.145 mm	150 ns
SMJ55166-80GBM	Texas Instruments	VIDEO DRAM	MILITARY	68	PGA	512	SQUARE	CERAMIC, METAL-SEALED COFIRED	FAST PAGE WITH EDO	NO	1	CMOS	38535Q/M;38534H;883B	PIN/PEG	ASYNCHRONOUS	200 mA	262144 words			5	5	16	GRID ARRAY	PGA68,9X9		Other Memory ICs	2.54 mm	125 Cel	3-STATE	256KX16	256K	-55 Cel	PERPENDICULAR	2	S-CPGA-P68	5.5 V		24.38 mm	Not Qualified	4194304 bit	4.5 V	CAS BEFORE RAS/HIDDEN REFRESH	NOT SPECIFIED	NOT SPECIFIED	.012 Amp	24.38 mm	80 ns
TM024GAD8-70	Texas Instruments	FAST PAGE DRAM MODULE	COMMERCIAL	30		512	RECTANGULAR	UNSPECIFIED	FAST PAGE	NO	1	CMOS		NO LEAD	ASYNCHRONOUS		1048576 words			5		8	MICROELECTRONIC ASSEMBLY					70 Cel	3-STATE	1MX8	1M	0 Cel	SINGLE	1	R-XSMA-N30	5.5 V			Not Qualified	8388608 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH					70 ns
TMX44C259-15N	Texas Instruments	NIBBLE MODE DRAM		20	DIP	512	RECTANGULAR	PLASTIC/EPOXY	NIBBLE	NO	1	CMOS		THROUGH-HOLE	ASYNCHRONOUS		262144 words			5		4	IN-LINE				2.54 mm		3-STATE	256KX4	256K		DUAL	1	R-PDIP-T20	5.5 V	5.08 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V					24.325 mm	150 ns
SMJ44C256-80JDM	Texas Instruments	FAST PAGE DRAM	MILITARY	20	DIP	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	NO	1	CMOS	MIL-PRF-38535	THROUGH-HOLE	SYNCHRONOUS	80 mA	262144 words		COMMON	5	5	4	IN-LINE	DIP20,.3		DRAMs	2.54 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	1	R-CDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp		80 ns
TMS55161-60DGH	Texas Instruments	VIDEO DRAM	COMMERCIAL	64	SSOP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE WITH EDO	YES	1	CMOS		GULL WING	ASYNCHRONOUS	225 mA	262144 words			5	5	16	SMALL OUTLINE, SHRINK PITCH	SOP64,.54,32		Other Memory ICs	.8 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	DUAL	2	R-PDSO-G64	5.5 V	2.38 mm	12.04 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 16 SAM PORT	NOT SPECIFIED	NOT SPECIFIED	.005 Amp	26.295 mm	60 ns
TMS4C1027-10DJ	Texas Instruments	STATIC COLUMN DRAM	COMMERCIAL	20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	STATIC COLUMN	YES	1	CMOS		J BEND	ASYNCHRONOUS	65 mA	1048576 words		SEPARATE	5	5	1	SMALL OUTLINE	SOJ20/26,.34		SRAMs	1.27 mm	70 Cel	3-STATE	1MX1	1M	0 Cel	DUAL	1	R-PDSO-J20	5.5 V	3.76 mm	7.57 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	NOT SPECIFIED	NOT SPECIFIED	.002 Amp	17.145 mm	100 ns
SMJ44C256-10HLM	Texas Instruments	FAST PAGE DRAM	MILITARY	20	SON	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	YES	1	CMOS	MIL-PRF-38535	NO LEAD	SYNCHRONOUS	70 mA	262144 words		COMMON	5	5	4	SMALL OUTLINE	SOLCC20/26,.35		DRAMs	1.27 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	1	R-CDSO-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp	17.145 mm	100 ns
TMX44C257-12N	Texas Instruments	STATIC COLUMN DRAM		20	DIP	512	RECTANGULAR	PLASTIC/EPOXY	STATIC COLUMN	NO	1	CMOS		THROUGH-HOLE	ASYNCHRONOUS		262144 words			5		4	IN-LINE				2.54 mm		3-STATE	256KX4	256K		DUAL	1	R-PDIP-T20	5.5 V	5.08 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V					24.325 mm	120 ns
SMJ55166-80HKCM	Texas Instruments	VIDEO DRAM	MILITARY	64	GDFP	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE WITH EDO	YES	1	CMOS	38535Q/M;38534H;883B	FLAT	ASYNCHRONOUS	200 mA	262144 words			5	5	16	FLATPACK, GUARD RING	TPAK64,1.6SQ,20		Other Memory ICs	.5 mm	125 Cel	3-STATE	256KX16	256K	-55 Cel	DUAL	2	R-CDFP-F64	5.5 V	3.81 mm	10.985 mm	Not Qualified	4194304 bit	4.5 V	CAS BEFORE RAS/HIDDEN REFRESH	NOT SPECIFIED	NOT SPECIFIED	.012 Amp	18.985 mm	80 ns
SMJ44C256-12HJM	Texas Instruments	FAST PAGE DRAM	MILITARY	20	SOJ	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	YES	1	CMOS	MIL-PRF-38535	J BEND	SYNCHRONOUS	60 mA	262144 words		COMMON	5	5	4	SMALL OUTLINE	SOJ20/26,.34		DRAMs	1.27 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	1	R-CDSO-J20	5.5 V	3.48 mm	8.382 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp	17.145 mm	120 ns
SMJ4C1024-80SVM	Texas Instruments	FAST PAGE DRAM	MILITARY	20	DIP	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	NO	1	CMOS	38535Q/M;38534H;883B	THROUGH-HOLE	SYNCHRONOUS	75 mA	1048576 words		SEPARATE	5	5	1	IN-LINE	ZIP20,.1		DRAMs	1.27 mm	125 Cel	3-STATE	1MX1	1M	-55 Cel	DUAL	1	R-CDIP-T20	5.5 V	10.92 mm	2.92 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp	26.67 mm	80 ns
TMS44C251-1DZL	Texas Instruments	VIDEO DRAM	COMMERCIAL	28	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		J BEND	ASYNCHRONOUS		262144 words			5		4	SMALL OUTLINE				1.27 mm	70 Cel	3-STATE	256KX4	256K	0 Cel	DUAL	2	R-PDSO-J28	5.25 V	3.76 mm	10.16 mm	Not Qualified	1048576 bit	4.75 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT				18.415 mm	100 ns
TMS4C1024-12NL	Texas Instruments	FAST PAGE DRAM	COMMERCIAL	18	DIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS		THROUGH-HOLE	ASYNCHRONOUS		1048576 words			5		1	IN-LINE				2.54 mm	70 Cel	3-STATE	1MX1	1M	0 Cel	DUAL	1	R-PDIP-T18	5.5 V	5.08 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH				22.48 mm	120 ns
5962-9061702MXA	Texas Instruments	FAST PAGE DRAM	MILITARY	20	SOJ	512	RECTANGULAR	UNSPECIFIED	FAST PAGE	YES	1	CMOS	MIL-STD-883	J BEND	ASYNCHRONOUS	60 mA	262144 words		COMMON	5	5	4	SMALL OUTLINE	SOJ20/26,.34		DRAMs	1.27 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	1	R-XDSO-J20	5.5 V	2.54 mm	8.385 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	NOT SPECIFIED	NOT SPECIFIED	.004 Amp	17.145 mm	120 ns
SMJ44C251A-2HJM	Texas Instruments	VIDEO DRAM	MILITARY	28	SOJ	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	YES	1	CMOS	38535Q/M;38534H;883B	J BEND	ASYNCHRONOUS	100 mA	262144 words			5	5	4	SMALL OUTLINE	SOJ28,.44		Other Memory ICs	1.27 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	2	R-CDSO-J28	5.25 V	4.521 mm	10.541 mm	Not Qualified	1048576 bit	4.75 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT	NOT SPECIFIED	NOT SPECIFIED	.015 Amp	18.542 mm	120 ns
TM024GAD8-12L	Texas Instruments	FAST PAGE DRAM MODULE	COMMERCIAL	30	SIMM	512	RECTANGULAR	UNSPECIFIED	FAST PAGE	NO	1	CMOS		NO LEAD	ASYNCHRONOUS	480 mA	1048576 words		COMMON	5	5	8	MICROELECTRONIC ASSEMBLY	SIM30		DRAMs	2.54 mm	70 Cel	3-STATE	1MX8	1M	0 Cel	SINGLE	1	R-XSMA-N30	5.5 V			Not Qualified	8388608 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH			.024 Amp		120 ns
TMS55175-60DGH	Texas Instruments	VIDEO DRAM	COMMERCIAL	64	SSOP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		GULL WING	ASYNCHRONOUS		262144 words			5		16	SMALL OUTLINE, SHRINK PITCH				.8 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	DUAL	2	R-PDSO-G64	5.5 V	2.38 mm	12.04 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 16 SAM PORT				26.295 mm	60 ns
TMX44C259-15DJ	Texas Instruments	NIBBLE MODE DRAM		20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	NIBBLE	YES	1	CMOS		J BEND	ASYNCHRONOUS		262144 words			5		4	SMALL OUTLINE				1.27 mm		3-STATE	256KX4	256K		DUAL	1	R-PDSO-J20	5.5 V	3.76 mm	7.57 mm	Not Qualified	1048576 bit	4.5 V					17.145 mm	150 ns
SMJ44C256-10HJM	Texas Instruments	FAST PAGE DRAM	MILITARY	20	SOJ	512	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	FAST PAGE	YES	1	CMOS	MIL-PRF-38535	J BEND	SYNCHRONOUS	70 mA	262144 words		COMMON	5	5	4	SMALL OUTLINE	SOJ20/26,.34		DRAMs	1.27 mm	125 Cel	3-STATE	256KX4	256K	-55 Cel	DUAL	1	R-CDSO-J20	5.5 V	3.48 mm	8.382 mm	Not Qualified	1048576 bit	4.5 V	CAS BEFORE RAS REFRESH	NOT SPECIFIED	NOT SPECIFIED	.003 Amp	17.145 mm	100 ns
TMS45160L-10DGE	Texas Instruments	FAST PAGE DRAM	COMMERCIAL	40	TSOP2	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS		GULL WING	ASYNCHRONOUS	120 mA	262144 words	NO	COMMON	5	5	16	SMALL OUTLINE, THIN PROFILE	TSOP40/44,.46,32		DRAMs	.8 mm	70 Cel	3-STATE	256KX16	256K	0 Cel	DUAL	1	R-PDSO-G40	5.5 V	1.2 mm	10.16 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN/BATTERY BACKUP REFRESH; BYTE ACCESS	NOT SPECIFIED	NOT SPECIFIED	.0002 Amp	18.41 mm	100 ns

DRAM

DRAM, or Dynamic Random Access Memory, is a type of volatile computer memory that stores data in a digital format. It is commonly used in personal computers, laptops, mobile devices, and other digital devices.

DRAM stores digital data as a charge on a capacitor. Each capacitor in DRAM represents one bit of data, and the state of the capacitor is refreshed periodically to maintain its charge. The refreshing process is necessary because the charge on the capacitor leaks over time, leading to data loss. The refreshing process is managed by a control circuitry that is integrated into the DRAM module.

DRAM is an important component of modern computer systems because it provides fast access to data for the processor. DRAM access times are measured in nanoseconds, which is much faster than access times for secondary storage devices like hard drives or solid-state drives. DRAM is also cheaper and more energy-efficient than other types of computer memory.

There are different types of DRAM, including SDRAM (Synchronous DRAM), DDR SDRAM (Double Data Rate Synchronous DRAM), and GDDR SDRAM (Graphics Double Data Rate Synchronous DRAM). These different types of DRAM have different characteristics, such as speed, capacity, and power consumption, and are used in different types of computer systems.

One of the disadvantages of DRAM is that it is volatile, which means that it loses data when the power is turned off. To prevent data loss, DRAM is typically used in conjunction with non-volatile storage devices like hard drives or solid-state drives, which can store data even when the power is turned off.