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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	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	Reverse Pinout	Output Characteristics	Organization	No. of Words Code	Terminal Finish	Terminal Position	No. of Ports	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width	Qualification	Memory Density	Minimum Supply Voltage (Vsup)	Additional Features	JESD-609 Code	Maximum Standby Current	Length	Maximum Access Time
UPD424263AG5M-60	Renesas Electronics	FAST PAGE DRAM	COMMERCIAL	40	TSOP	512	RECTANGULAR	PLASTIC/EPOXY		YES		CMOS	GULL WING		140 mA	262144 words	NO	COMMON	5	5	16	SMALL OUTLINE, THIN PROFILE	TSOP40/44,.36,32		DRAMs	.8 mm	70 Cel	YES	3-STATE	256KX16	256K	Tin/Lead (Sn/Pb)	DUAL		R-PDSO-G40					Not Qualified	4194304 bit			e0	.0003 Amp		60 ns
UPD421805LE-30	Renesas Electronics	EDO DRAM	COMMERCIAL	28	SOJ	512	RECTANGULAR	PLASTIC/EPOXY		YES		CMOS	J BEND		100 mA	131072 words	NO	COMMON	5	5	8	SMALL OUTLINE	SOJ28,.44		DRAMs	1.27 mm	70 Cel		3-STATE	128KX8	128K	Tin/Lead (Sn/Pb)	DUAL		R-PDSO-J28					Not Qualified	1048576 bit			e0	.001 Amp		70 ns
MC-421000B8B-80	Renesas Electronics	NIBBLE MODE DRAM	COMMERCIAL	30	SIMM	512	RECTANGULAR	PLASTIC/EPOXY		NO		CMOS	NO LEAD		560 mA	1048576 words		COMMON	5	5	8	MICROELECTRONIC ASSEMBLY	SIM30		DRAMs	2.54 mm	70 Cel		3-STATE	1MX8	1M		SINGLE		R-PSMA-N30					Not Qualified	8388608 bit				.008 Amp		80 ns
MC-421000A9F-60	Renesas Electronics	FAST PAGE DRAM MODULE	COMMERCIAL	30	SIMM	512	RECTANGULAR	PLASTIC/EPOXY		NO		CMOS	NO LEAD		810 mA	1048576 words		COMMON	5	5	9	MICROELECTRONIC ASSEMBLY	SIM30		DRAMs	2.54 mm	70 Cel		3-STATE	1MX9	1M		SINGLE		R-PSMA-N30			19.9898 mm		Not Qualified	9437184 bit				.003 Amp		60 ns
UPD42S4280LV-A60	Renesas Electronics	FAST PAGE DRAM	COMMERCIAL	40	ZIP	512	RECTANGULAR	PLASTIC/EPOXY		NO		CMOS	THROUGH-HOLE		150 mA	262144 words	YES	COMMON	3.3	3.3	18	IN-LINE	ZIP40,.1		DRAMs	1.27 mm	70 Cel		3-STATE	256KX18	256K	Tin/Lead (Sn/Pb)	ZIG-ZAG		R-PZIP-T40					Not Qualified	4718592 bit			e0	.0001 Amp		60 ns
KM416C254DT-5	Samsung	EDO DRAM	COMMERCIAL	40	TSOP2	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE WITH EDO	YES	1	CMOS	GULL WING	ASYNCHRONOUS	110 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	TIN LEAD	DUAL	1	R-PDSO-G40		5.5 V	1.2 mm	10.16 mm	Not Qualified	4194304 bit	4.5 V	CAS BEFORE RAS/RAS ONLY/HIDDEN REFRESH	e0	.001 Amp	18.41 mm	50 ns
KM416C256D-J5	Samsung	FAST PAGE DRAM	COMMERCIAL	40	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	J BEND	ASYNCHRONOUS	110 mA	262144 words	NO	COMMON	5	5	16	SMALL OUTLINE	SOJ40,.44		DRAMs	1.27 mm	70 Cel		3-STATE	256KX16	256K	Tin/Lead (Sn/Pb)	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 REFRESH	e0	.001 Amp	26.04 mm	50 ns
KM416C256ALLTR-7	Samsung	FAST PAGE DRAM	COMMERCIAL	40	TSOP2-R	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	GULL WING	ASYNCHRONOUS	110 mA	262144 words	YES	COMMON	5	5	16	SMALL OUTLINE, THIN PROFILE	TSOP40/44,.46,32		DRAMs	.8 mm	70 Cel	YES	3-STATE	256KX16	256K	TIN LEAD	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; SELF REFRESH	e0	.00015 Amp	18.41 mm	70 ns
KM41C1000CSLTR-6	Samsung	FAST PAGE DRAM	COMMERCIAL	20	TSOP2-R	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	GULL WING	ASYNCHRONOUS	70 mA	1048576 words		SEPARATE	5	5	1	SMALL OUTLINE, THIN PROFILE	TSSOP20/26,.36		DRAMs	1.27 mm	70 Cel	YES	3-STATE	1MX1	1M	Tin/Lead (Sn/Pb)	DUAL	1	R-PDSO-G20		5.5 V	1.2 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.0001 Amp	17.14 mm	60 ns
KM44C256CSLP-6	Samsung	FAST PAGE DRAM	COMMERCIAL	20	DIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	70 mA	262144 words		COMMON	5	5	4	IN-LINE	DIP20,.3		DRAMs	2.54 mm	70 Cel		3-STATE	256KX4	256K	Tin/Lead (Sn/Pb)	DUAL	1	R-PDIP-T20		5.5 V	4.65 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.0001 Amp	24.56 mm	60 ns
KM41C1002BP-10	Samsung	STATIC COLUMN DRAM	COMMERCIAL	18	DIP	512	RECTANGULAR	PLASTIC/EPOXY	STATIC COLUMN	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	60 mA	1048576 words		SEPARATE	5	5	1	IN-LINE	DIP18,.3		SRAMs	2.54 mm	70 Cel		3-STATE	1MX1	1M	TIN LEAD	DUAL	1	R-PDIP-T18		5.5 V	4.65 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.001 Amp	22.02 mm	100 ns
KM416C256BLT-5	Samsung	FAST PAGE DRAM	COMMERCIAL	40	TSOP2	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	GULL WING	ASYNCHRONOUS	110 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	TIN LEAD	DUAL	1	R-PDSO-G40		5.25 V	1.2 mm	10.16 mm	Not Qualified	4194304 bit	4.75 V	RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH	e0	.0002 Amp	18.41 mm	50 ns
KM41C1001BZ-6	Samsung	NIBBLE MODE DRAM	COMMERCIAL	19	ZIP	512	RECTANGULAR	PLASTIC/EPOXY	NIBBLE	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	95 mA	1048576 words		SEPARATE	5	5	1	IN-LINE	ZIP20,.1		DRAMs	1.27 mm	70 Cel		3-STATE	1MX1	1M	TIN LEAD	ZIG-ZAG	1	R-PZIP-T19		5.5 V	10.16 mm	2.96 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.001 Amp	26.165 mm	60 ns
KM416C254BLT-5	Samsung	EDO DRAM	COMMERCIAL	40	TSOP2	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE WITH EDO	YES	1	CMOS	GULL WING	ASYNCHRONOUS	110 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	TIN LEAD	DUAL	1	R-PDSO-G40		5.25 V	1.2 mm	10.16 mm	Not Qualified	4194304 bit	4.75 V	RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH	e0	.0002 Amp	18.41 mm	50 ns
KMM491000A-10	Samsung	FAST PAGE DRAM MODULE	COMMERCIAL	30		512		PLASTIC/EPOXY		NO		CMOS			540 mA	1048576 words		COMMON	5	5	9		SIP30,.2		DRAMs	2.54 mm	70 Cel		3-STATE	1MX9	1M	TIN LEAD	SINGLE			3		5.08 mm		Not Qualified	9437184 bit			e0	.009 Amp		100 ns
KM44C258CP-6	Samsung	STATIC COLUMN DRAM	COMMERCIAL	20	DIP	512	RECTANGULAR	PLASTIC/EPOXY	STATIC COLUMN	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	70 mA	262144 words		COMMON	5	5	4	IN-LINE	DIP20,.3		SRAMs	2.54 mm	70 Cel		3-STATE	256KX4	256K	TIN LEAD	DUAL	1	R-PDIP-T20		5.5 V	4.65 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH	e0	.001 Amp	24.56 mm	60 ns
KM428C128J-6	Samsung	VIDEO DRAM	COMMERCIAL	40	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	J BEND	ASYNCHRONOUS	170 mA	131072 words			5	5	8	SMALL OUTLINE	SOJ40,.44		Other Memory ICs	1.27 mm	70 Cel		3-STATE	128KX8	128K	TIN LEAD	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	e0	.005 Amp	26.035 mm	60 ns
KM416C256AZ-6	Samsung	FAST PAGE DRAM	COMMERCIAL	40	ZIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	120 mA	262144 words	NO	COMMON	5	5	16	IN-LINE	ZIP40,.1		DRAMs	1.27 mm	70 Cel		3-STATE	256KX16	256K	TIN LEAD	ZIG-ZAG	1	R-PZIP-T40		5.5 V	12.06 mm	2.96 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH	e0	.001 Amp		60 ns
KM418V256ALZ-8	Samsung	FAST PAGE DRAM	COMMERCIAL	40	ZIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	85 mA	262144 words	NO	COMMON	3.3	3.3	18	IN-LINE	ZIP40,.1		DRAMs	1.27 mm	70 Cel		3-STATE	256KX18	256K	TIN LEAD	ZIG-ZAG	1	R-PZIP-T40		3.6 V	12.06 mm	2.96 mm	Not Qualified	4718592 bit	3 V	RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH	e0	.0001 Amp		80 ns
KMM536512W-7	Samsung	FAST PAGE DRAM MODULE	COMMERCIAL	72	SIMM	512	RECTANGULAR	UNSPECIFIED	FAST PAGE	NO	1	CMOS	NO LEAD	ASYNCHRONOUS	264 mA	524288 words		COMMON	5	5	36	MICROELECTRONIC ASSEMBLY	SSIM72		DRAMs	1.27 mm	70 Cel		3-STATE	512KX36	512K		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		.004 Amp		70 ns
KM416V254BT-6	Samsung	EDO DRAM	COMMERCIAL	40	TSOP2	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE WITH EDO	YES	1	CMOS	GULL WING	ASYNCHRONOUS	70 mA	262144 words	NO	COMMON	3.3	3.3	16	SMALL OUTLINE, THIN PROFILE	TSOP40/44,.46,32		DRAMs	.8 mm	70 Cel		3-STATE	256KX16	256K	TIN LEAD	DUAL	1	R-PDSO-G40		3.6 V	1.2 mm	10.16 mm	Not Qualified	4194304 bit	3 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.0005 Amp	18.41 mm	60 ns
KM44C266BP-7	Samsung	FAST PAGE DRAM	COMMERCIAL	20	DIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	80 mA	262144 words		COMMON	5	5	4	IN-LINE	DIP20,.3		DRAMs	2.54 mm	70 Cel		3-STATE	256KX4	256K	TIN LEAD	DUAL	1	R-PDIP-T20		5.5 V	4.65 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.001 Amp	24.56 mm	70 ns
KMM536256BWG-8	Samsung	FAST PAGE DRAM MODULE	COMMERCIAL	72		512	RECTANGULAR	UNSPECIFIED	FAST PAGE	NO	1	CMOS	NO LEAD	ASYNCHRONOUS		262144 words			5		36	MICROELECTRONIC ASSEMBLY		18			70 Cel		3-STATE	256KX36	256K		SINGLE	1	R-XSMA-N72		5.5 V			Not Qualified	9437184 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH				80 ns
KM4216V256GL-8	Samsung	VIDEO DRAM	COMMERCIAL	64	SSOP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE WITH EDO	YES	1	CMOS	GULL WING	ASYNCHRONOUS		262144 words			3.3		16	SMALL OUTLINE, SHRINK PITCH				.8 mm	70 Cel		3-STATE	256KX16	256K		DUAL	2	R-PDSO-G64		3.6 V	3 mm	11.43 mm	Not Qualified	4194304 bit	3 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 16 SAM PORT			26.03 mm	80 ns
KM416C156BLJ-7	Samsung	FAST PAGE DRAM	COMMERCIAL	40	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	J BEND	ASYNCHRONOUS	80 mA	262144 words	NO	COMMON	5	5	16	SMALL OUTLINE	SOJ40,.44		DRAMs	1.27 mm	70 Cel		3-STATE	256KX16	256K	Tin/Lead (Sn/Pb)	DUAL	1	R-PDSO-J40		5.5 V	3.56 mm	10.16 mm	Not Qualified	4194304 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.0002 Amp	25.535 mm	70 ns
KMM58256AP8	Samsung	PAGE MODE DRAM	COMMERCIAL	30	SIMM	512	RECTANGULAR	PLASTIC/EPOXY		NO		CMOS	NO LEAD		150 mA	262144 words		COMMON	5	5	8	MICROELECTRONIC ASSEMBLY	SIM30		DRAMs	2.54 mm	70 Cel		3-STATE	256KX8	256K		SINGLE		R-PSMA-N30					Not Qualified	2097152 bit						80 ns
KM48C128J-L6	Samsung	FAST PAGE DRAM	COMMERCIAL	24	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	J BEND	ASYNCHRONOUS	65 mA	131072 words	YES	COMMON	5	5	8	SMALL OUTLINE	SOJ24/26,.34		DRAMs	1.27 mm	70 Cel		3-STATE	128KX8	128K	TIN LEAD	DUAL	1	R-PDSO-J24		5.5 V	3.76 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH	e0	.00015 Amp	15.88 mm	60 ns
KM44C258Z-10	Samsung	STATIC COLUMN DRAM	COMMERCIAL	20	ZIP	512	RECTANGULAR	PLASTIC/EPOXY		NO		CMOS	THROUGH-HOLE			262144 words		COMMON	5	5	4	IN-LINE	ZIP20,.1		SRAMs	1.27 mm	70 Cel		3-STATE	256KX4	256K	TIN LEAD	ZIG-ZAG		R-PZIP-T20	3				Not Qualified	1048576 bit			e0			100 ns
KM418C256ALZ-8	Samsung	FAST PAGE DRAM	COMMERCIAL	40	ZIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	110 mA	262144 words	NO	COMMON	5	5	18	IN-LINE	ZIP40,.1		DRAMs	1.27 mm	70 Cel		3-STATE	256KX18	256K	TIN LEAD	ZIG-ZAG	1	R-PZIP-T40		5.5 V	12.06 mm	2.96 mm	Not Qualified	4718592 bit	4.5 V	RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH	e0	.0002 Amp		80 ns
KMM540512B-10	Samsung	FAST PAGE DRAM MODULE	COMMERCIAL	72	SIMM	512	RECTANGULAR	UNSPECIFIED	FAST PAGE	NO	1	CMOS	NO LEAD	ASYNCHRONOUS	620 mA	524288 words		COMMON	5	5	40	MICROELECTRONIC ASSEMBLY	SSIM72		Other Memory ICs	1.27 mm	70 Cel		3-STATE	512KX40	512K		SINGLE	1	R-XSMA-N72		5.5 V	25.4 mm		Not Qualified	20971520 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH		.02 Amp		100 ns
KM428C257TR-8	Samsung	VIDEO DRAM	COMMERCIAL	40	TSOP2-R	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE WITH EDO	YES	1	CMOS	GULL WING	ASYNCHRONOUS	145 mA	262144 words			5	5	8	SMALL OUTLINE, THIN PROFILE	TSOP40/44,.46,32		Other Memory ICs	.8 mm	70 Cel			256KX8	256K	TIN LEAD	DUAL	2	R-PDSO-G40		5.5 V	1.2 mm	10.16 mm	Not Qualified	2097152 bit	4.5 V	RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH	e0	.01 Amp	18.41 mm	80 ns
KM418C256ALZ-7	Samsung	FAST PAGE DRAM	COMMERCIAL	40	ZIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	120 mA	262144 words	NO	COMMON	5	5	18	IN-LINE	ZIP40,.1		DRAMs	1.27 mm	70 Cel		3-STATE	256KX18	256K	TIN LEAD	ZIG-ZAG	1	R-PZIP-T40		5.5 V	12.06 mm	2.96 mm	Not Qualified	4718592 bit	4.5 V	RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH	e0	.0002 Amp		70 ns
KM428C128J-10	Samsung	VIDEO DRAM	COMMERCIAL	40	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	J BEND	ASYNCHRONOUS	140 mA	131072 words			5	5	8	SMALL OUTLINE	SOJ40,.44		Other Memory ICs	1.27 mm	70 Cel		3-STATE	128KX8	128K	TIN LEAD	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	e0	.005 Amp	26.04 mm	100 ns
KMM536256WG-6	Samsung	FAST PAGE DRAM MODULE	COMMERCIAL	72	SIMM	512	RECTANGULAR	UNSPECIFIED	FAST PAGE	NO	1	CMOS	NO LEAD		300 mA	262144 words		COMMON	5	5	36	MICROELECTRONIC ASSEMBLY	SSIM72		DRAMs	1.27 mm	70 Cel		3-STATE	256KX36	256K		SINGLE	1	R-XSMA-N72			25.4 mm		Not Qualified	9437184 bit				.002 Amp		60 ns
KM416C254DT-L4	Samsung	EDO DRAM	COMMERCIAL	40	TSOP2	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE WITH EDO	YES	1	CMOS	GULL WING	ASYNCHRONOUS	180 mA	262144 words	YES	COMMON	5	5	16	SMALL OUTLINE, THIN PROFILE	TSOP40/44,.46,32		DRAMs	.8 mm	70 Cel		3-STATE	256KX16	256K	TIN LEAD	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/SELF REFRESH	e0	.00015 Amp	18.41 mm	40 ns
KM41C1000CJ-8	Samsung	FAST PAGE DRAM	COMMERCIAL	20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	J BEND	ASYNCHRONOUS	60 mA	1048576 words		SEPARATE	5	5	1	SMALL OUTLINE	SOJ20/26,.34		DRAMs	1.27 mm	70 Cel		3-STATE	1MX1	1M	Tin/Lead (Sn/Pb)	DUAL	1	R-PDSO-J20		5.5 V	3.68 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.001 Amp	17.145 mm	80 ns
KM44C268CJ-8	Samsung	STATIC COLUMN DRAM	COMMERCIAL	20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY	STATIC COLUMN	YES	1	CMOS	J BEND	ASYNCHRONOUS	60 mA	262144 words		COMMON	5	5	4	SMALL OUTLINE	SOJ20,.34		SRAMs	1.27 mm	70 Cel		3-STATE	256KX4	256K	TIN LEAD	DUAL	1	R-PDSO-J20		5.5 V	3.68 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH	e0	.001 Amp	17.145 mm	80 ns
KM41C1000CLT-7	Samsung	FAST PAGE DRAM	COMMERCIAL	20	TSOP2	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	GULL WING	ASYNCHRONOUS	65 mA	1048576 words		SEPARATE	5	5	1	SMALL OUTLINE, THIN PROFILE	TSSOP20/26,.36		DRAMs	1.27 mm	70 Cel		3-STATE	1MX1	1M	Tin/Lead (Sn/Pb)	DUAL	1	R-PDSO-G20		5.5 V	1.2 mm	7.62 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.0002 Amp	17.14 mm	70 ns
KMM536512BW-7	Samsung	FAST PAGE DRAM MODULE	COMMERCIAL	72		512	RECTANGULAR	UNSPECIFIED	FAST PAGE	NO	1	CMOS	NO LEAD	ASYNCHRONOUS		524288 words			5		36	MICROELECTRONIC ASSEMBLY		18			70 Cel		3-STATE	512KX36	512K		SINGLE	1	R-XSMA-N72		5.5 V			Not Qualified	18874368 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH				70 ns
KM41C1002P-12	Samsung	STATIC COLUMN DRAM	COMMERCIAL	18	DIP	512	RECTANGULAR	PLASTIC/EPOXY		NO		CMOS	THROUGH-HOLE		50 mA	1048576 words		SEPARATE	5	5	1	IN-LINE	DIP18,.3		SRAMs	2.54 mm	70 Cel		3-STATE	1MX1	1M	TIN LEAD	DUAL		R-PDIP-T18	3				Not Qualified	1048576 bit			e0	.001 Amp		120 ns
KM424C257Z-10	Samsung	VIDEO DRAM	COMMERCIAL	28	ZIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	140 mA	262144 words			5	5	4	IN-LINE	ZIP28,.1		Other Memory ICs	1.27 mm	70 Cel		3-STATE	256KX4	256K	TIN LEAD	ZIG-ZAG	2	R-PZIP-T28		5.5 V	10.16 mm	2.96 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT	e0	.005 Amp		100 ns
KM416V256ALTR-8	Samsung	FAST PAGE DRAM	COMMERCIAL	40	TSOP2-R	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	GULL WING	ASYNCHRONOUS	80 mA	262144 words	NO	COMMON	3.3	3.3	16	SMALL OUTLINE, THIN PROFILE	TSOP40/44,.46,32		DRAMs	.8 mm	70 Cel	YES	3-STATE	256KX16	256K	TIN LEAD	DUAL	1	R-PDSO-G40		3.6 V	1.2 mm	10.16 mm	Not Qualified	4194304 bit	3 V	RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH	e0	.0001 Amp	18.41 mm	80 ns
KM418C256ATR-7	Samsung	FAST PAGE DRAM	COMMERCIAL	40	TSOP2-R	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	YES	1	CMOS	GULL WING	ASYNCHRONOUS	120 mA	262144 words	NO	COMMON	5	5	18	SMALL OUTLINE, THIN PROFILE	TSOP40/44,.46,32		DRAMs	.8 mm	70 Cel	YES	3-STATE	256KX18	256K	TIN LEAD	DUAL	1	R-PDSO-G40		5.5 V	1.2 mm	10.16 mm	Not Qualified	4718592 bit	4.5 V	RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH	e0	.001 Amp	18.41 mm	70 ns
KM416C256ALTR-6	Samsung	FAST PAGE DRAM	COMMERCIAL	40	TSOP2-R	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	YES	3-STATE	256KX16	256K	TIN LEAD	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	e0	.0002 Amp	18.41 mm	60 ns
KM41C1002AJ-7	Samsung	STATIC COLUMN DRAM	COMMERCIAL	20	SOJ	512	RECTANGULAR	PLASTIC/EPOXY		YES		CMOS	J BEND		80 mA	1048576 words		SEPARATE	5	5	1	SMALL OUTLINE	SOJ20/26,.34		SRAMs	1.27 mm	70 Cel		3-STATE	1MX1	1M	TIN LEAD	DUAL		R-PDSO-J20	3				Not Qualified	1048576 bit			e0	.001 Amp		70 ns
KMM491000-10	Samsung	FAST PAGE DRAM MODULE	COMMERCIAL	30		512		PLASTIC/EPOXY		NO		CMOS			540 mA	1048576 words		COMMON	5	5	9		SIP30,.2		DRAMs	2.54 mm	70 Cel		3-STATE	1MX9	1M	TIN LEAD	SINGLE			3				Not Qualified	9437184 bit			e0	.009 Amp		100 ns
KMM532256WG-6	Samsung	FAST PAGE DRAM MODULE	COMMERCIAL	72	SIMM	512	RECTANGULAR	UNSPECIFIED	FAST PAGE	NO	1	CMOS	NO LEAD		290 mA	262144 words		COMMON	5	5	32	MICROELECTRONIC ASSEMBLY	SSIM72		DRAMs	1.27 mm	70 Cel		3-STATE	256KX32	256K		SINGLE	1	R-XSMA-N72			25.4 mm		Not Qualified	8388608 bit				.002 Amp		60 ns
KM41C1000CZ-7	Samsung	FAST PAGE DRAM	COMMERCIAL	20	ZIP	512	RECTANGULAR	PLASTIC/EPOXY	FAST PAGE	NO	1	CMOS	THROUGH-HOLE	ASYNCHRONOUS	65 mA	1048576 words		SEPARATE	5	5	1	IN-LINE	ZIP20,.1		DRAMs	1.27 mm	70 Cel		3-STATE	1MX1	1M	Tin/Lead (Sn/Pb)	ZIG-ZAG	1	R-PZIP-T20		5.5 V	10.16 mm	2.96 mm	Not Qualified	1048576 bit	4.5 V	RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH	e0	.001 Amp	26.165 mm	70 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.