20 FIFO 172

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Part	Manufacturer	Memory IC Type	Temperature Grade	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	Cycle Time	No. of Functions	Technology	Terminal Form	Parallel or Serial	Operating Mode	Maximum Supply Current	No. of Words	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Memory Width	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Output Characteristics	Organization	No. of Words Code	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Maximum Clock Frequency (fCLK)	Width	Qualification	Memory Density	Minimum Supply Voltage (Vsup)	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Output Enable	Maximum Standby Current	Length	Maximum Access Time
SN74ALS229BFNR	Texas Instruments		COMMERCIAL	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	25 ns	1	TTL	J BEND	PARALLEL	SYNCHRONOUS		16 words	5		5	CHIP CARRIER			1.27 mm	70 Cel	3-STATE	16X5	16	0 Cel		QUAD	S-PQCC-J20	5.5 V	4.57 mm		8.9662 mm	Not Qualified	80 bit	4.5 V					YES		8.9662 mm	30 ns
SN74LS227J4	Texas Instruments	OTHER FIFO	COMMERCIAL	20	DIP	RECTANGULAR	CERAMIC	NO			TTL	THROUGH-HOLE		ASYNCHRONOUS		16 words			4	IN-LINE	DIP20,.3	FIFOs	2.54 mm	70 Cel		16X4	16	0 Cel		DUAL	R-XDIP-T20										NOT SPECIFIED	NOT SPECIFIED
SN74LS222N3	Texas Instruments	OTHER FIFO	COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO			TTL	THROUGH-HOLE		ASYNCHRONOUS		16 words	5	5	4	IN-LINE	DIP20,.3	FIFOs	2.54 mm	70 Cel		16X4	16	0 Cel		DUAL	R-PDIP-T20
SN74ALS235DWR	Texas Instruments		COMMERCIAL	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	40 ns	1	TTL	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE			1.27 mm	70 Cel	3-STATE	64X5	64	0 Cel		DUAL	R-PDSO-G20	5.5 V	2.65 mm		7.5 mm	Not Qualified	320 bit	4.5 V					YES		12.8 mm	22 ns
SN74S225J	Texas Instruments	OTHER FIFO	COMMERCIAL	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	100 ns	1	TTL	THROUGH-HOLE	PARALLEL	SYNCHRONOUS		16 words	5	5	5	IN-LINE	DIP20,.3	FIFOs	2.54 mm	70 Cel		16X5	16	0 Cel		DUAL	R-GDIP-T20	5.25 V	5.08 mm	10 MHz	7.62 mm	Not Qualified	80 bit	4.75 V			NOT SPECIFIED	NOT SPECIFIED	YES		24.195 mm	75 ns
MK4505SN50	STMicroelectronics	OTHER FIFO	COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	50 ns	1	CMOS	THROUGH-HOLE	PARALLEL	SYNCHRONOUS	140 mA	1024 words	5		5	IN-LINE	DIP20,.3	FIFOs	2.54 mm	70 Cel	3-STATE	1KX5	1K	0 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V				Not Qualified	5120 bit	4.5 V	SLAVE VERSION OF MK4505	e0			NO	.14 Amp		25 ns
MK4505SN33	STMicroelectronics	OTHER FIFO	COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	33 ns	1	CMOS	THROUGH-HOLE	PARALLEL	SYNCHRONOUS	140 mA	1024 words	5		5	IN-LINE	DIP20,.3	FIFOs	2.54 mm	70 Cel	3-STATE	1KX5	1K	0 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V				Not Qualified	5120 bit	4.5 V	SLAVE VERSION OF MK4505	e0			NO	.14 Amp		20 ns
MK4505SN25	STMicroelectronics	OTHER FIFO	COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	25 ns	1	CMOS	THROUGH-HOLE	PARALLEL	SYNCHRONOUS	140 mA	1024 words	5		5	IN-LINE	DIP20,.3	FIFOs	2.54 mm	70 Cel	3-STATE	1KX5	1K	0 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V				Not Qualified	5120 bit	4.5 V	SLAVE VERSION OF MK4505	e0			NO	.14 Amp		15 ns
HCF40105BC1	STMicroelectronics	OTHER FIFO	INDUSTRIAL	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	333.33 ns	1	CMOS	J BEND	PARALLEL	ASYNCHRONOUS		16 words	5	3/15	4	CHIP CARRIER	LDCC20,.4SQ	FIFOs	1.27 mm	85 Cel	3-STATE	16X4	16	-40 Cel	TIN LEAD	QUAD	S-PQCC-J20	15 V	4.57 mm	3 MHz	8.9662 mm	Not Qualified	64 bit	3 V		e0			YES		8.9662 mm	370 ns
N74F225D-T	NXP Semiconductors		COMMERCIAL	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	40 ns	1	TTL	GULL WING	PARALLEL	ASYNCHRONOUS		16 words	5		5	SMALL OUTLINE			1.27 mm	70 Cel	3-STATE	16X5	16	0 Cel		DUAL	R-PDSO-G20	5.5 V	2.65 mm		7.5 mm	Not Qualified	80 bit	4.5 V					YES		12.8 mm	22 ns
N74F222N	NXP Semiconductors		COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		1	TTL	THROUGH-HOLE	PARALLEL	SYNCHRONOUS		16 words	5		4	IN-LINE			2.54 mm	70 Cel	3-STATE	16X4	16	0 Cel		DUAL	R-PDIP-T20	5.5 V	4.06 mm		7.62 mm	Not Qualified	64 bit	4.5 V					YES		26.695 mm
N74F225N	NXP Semiconductors		COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	40 ns	1	TTL	THROUGH-HOLE	PARALLEL	ASYNCHRONOUS		16 words	5		5	IN-LINE			2.54 mm	70 Cel	3-STATE	16X5	16	0 Cel		DUAL	R-PDIP-T20	5.5 V	4.2 mm		7.62 mm	Not Qualified	80 bit	4.5 V					YES		26.73 mm	22 ns
N74F225D	NXP Semiconductors		COMMERCIAL	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	40 ns	1	TTL	GULL WING	PARALLEL	ASYNCHRONOUS		16 words	5		5	SMALL OUTLINE			1.27 mm	70 Cel	3-STATE	16X5	16	0 Cel		DUAL	R-PDSO-G20	5.5 V	2.65 mm		7.5 mm	Not Qualified	80 bit	4.5 V					YES		12.8 mm	22 ns
N74F222D	NXP Semiconductors		COMMERCIAL	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	TTL	GULL WING	PARALLEL	SYNCHRONOUS		16 words	5		4	SMALL OUTLINE			1.27 mm	70 Cel	3-STATE	16X4	16	0 Cel		DUAL	R-PDSO-G20	5.5 V	2.65 mm		7.5 mm	Not Qualified	64 bit	4.5 V					YES		12.8 mm
74HC7404PW	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE				125 Cel		64X5	64	-40 Cel		DUAL	R-PDSO-G20	6 V				Not Qualified	320 bit	2 V					YES
74HC7404DB-T	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE				125 Cel		64X5	64	-40 Cel		DUAL	R-PDSO-G20	6 V				Not Qualified	320 bit	2 V					YES
74HCT7404D-T	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	83.33 ns	1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE				125 Cel	3-STATE	64X5	64	-40 Cel		DUAL	R-PDSO-G20	5.5 V				Not Qualified	320 bit	4.5 V	REGISTER BASED; BUBBLE BACK 2.7US				YES			108 ns
74HC7404DB	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE				125 Cel		64X5	64	-40 Cel		DUAL	R-PDSO-G20	6 V				Not Qualified	320 bit	2 V					YES
74HCT7404PW	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE				125 Cel		64X5	64	-40 Cel		DUAL	R-PDSO-G20	5.5 V				Not Qualified	320 bit	4.5 V					YES
74HC7404D-T	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	83.33 ns	1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE			1.27 mm	125 Cel	3-STATE	64X5	64	-40 Cel		DUAL	R-PDSO-G20	6 V	2.65 mm		7.5 mm	Not Qualified	320 bit	2 V	REGISTER BASED; BUBBLE BACK 2.7US				YES		12.8 mm	98 ns
74HCT7404DB-T	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE				125 Cel		64X5	64	-40 Cel		DUAL	R-PDSO-G20	5.5 V				Not Qualified	320 bit	4.5 V					YES
74HCT7404PW-T	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE				125 Cel		64X5	64	-40 Cel		DUAL	R-PDSO-G20	5.5 V				Not Qualified	320 bit	4.5 V					YES
74HCT7404DB	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE				125 Cel		64X5	64	-40 Cel		DUAL	R-PDSO-G20	5.5 V				Not Qualified	320 bit	4.5 V					YES
74HCT7404D	NXP Semiconductors	OTHER FIFO	AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	83.33 ns	1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS	1 mA	64 words	5	5	5	SMALL OUTLINE	SOP20,.4	FIFOs	1.27 mm	125 Cel	3-STATE	64X5	64	-40 Cel		DUAL	R-PDSO-G20	5.5 V		12 MHz		Not Qualified	320 bit	4.5 V	REGISTER BASED; BUBBLE BACK 2.7US				YES			108 ns
74HC7404PW-T	NXP Semiconductors		AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE				125 Cel		64X5	64	-40 Cel		DUAL	R-PDSO-G20	6 V				Not Qualified	320 bit	2 V					YES
74HC7404D	NXP Semiconductors	OTHER FIFO	AUTOMOTIVE	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	83.33 ns	1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS	1 mA	64 words	5	2/6	5	SMALL OUTLINE	SOP20,.4	FIFOs	1.27 mm	125 Cel	3-STATE	64X5	64	-40 Cel		DUAL	R-PDSO-G20	6 V	2.65 mm	12 MHz	7.5 mm	Not Qualified	320 bit	2 V	REGISTER BASED; BUBBLE BACK 2.7US				YES		12.8 mm	98 ns
72403L45SOG8	Renesas Electronics		COMMERCIAL	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	22.22 ns	1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE			1.27 mm	70 Cel		64X5	64	0 Cel		DUAL	R-PDSO-G20	5.5 V	2.65 mm		7.5 mm		320 bit	4.5 V	FALL THRU 25NS				YES		12.8 mm	19 ns
72403L35SOG8	Renesas Electronics		COMMERCIAL	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	28.57 ns	1	CMOS	GULL WING	PARALLEL	ASYNCHRONOUS		64 words	5		5	SMALL OUTLINE			1.27 mm	70 Cel		64X5	64	0 Cel		DUAL	R-PDSO-G20	5.5 V	2.65 mm		7.5 mm		320 bit	4.5 V	FALL THRU 28NS				YES		12.8 mm	20 ns

FIFO

FIFO, or First-In, First-Out, is a type of digital circuit that is used in computer systems and digital devices to manage the flow of data. A FIFO circuit stores data in a buffer and retrieves the data in the same order in which it was received, with the first data received being the first data to be retrieved.

FIFO circuits are used in many applications where data needs to be stored and retrieved in a specific order, such as in data communication systems, disk drives, and multimedia devices. For example, in a data communication system, a FIFO circuit can be used to store incoming data packets in a buffer and retrieve them in the order in which they were received, ensuring that the data is processed correctly and in a timely manner.

FIFO circuits are typically implemented using a combination of flip-flops, multiplexers, and control logic. The control logic manages the input and output of data to the FIFO buffer and ensures that the data is stored and retrieved in the correct order.

One of the advantages of using a FIFO circuit is that it provides a simple and efficient way to manage the flow of data. FIFO circuits are easy to implement and can handle large amounts of data. They can also be used in conjunction with other types of digital circuits to implement more complex data processing algorithms.