20 FIFO 4

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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	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)	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Output Enable	Length	Maximum Access Time
SN74S225N3	Texas Instruments	OTHER FIFO	COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	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		DUAL	R-PDIP-T20	5.25 V	5.08 mm	10 MHz	7.62 mm	Not Qualified	80 bit	4.75 V		NOT SPECIFIED	NOT SPECIFIED	YES	25.4 mm	75 ns
SN74ALS235N	Texas Instruments	OTHER FIFO	COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	40 ns	1	TTL	THROUGH-HOLE	PARALLEL	ASYNCHRONOUS	170 mA	64 words	5		5	IN-LINE	DIP20,.3	FIFOs	2.54 mm	70 Cel	3-STATE	64X5	64		DUAL	R-PDIP-T20	5.5 V	5.08 mm	25 MHz	7.62 mm	Not Qualified	320 bit	4.5 V		NOT SPECIFIED	NOT SPECIFIED	YES	24.325 mm	22 ns
SN74S225N	Texas Instruments	OTHER FIFO	COMMERCIAL	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	100 ns	1	TTL	THROUGH-HOLE	PARALLEL	SYNCHRONOUS	120 mA	16 words	5	5	5	IN-LINE	DIP20,.3	FIFOs	2.54 mm	70 Cel	3-STATE	16X5	16	NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T20	5.25 V	5.08 mm	10 MHz	7.62 mm	Not Qualified	80 bit	4.75 V	e4			YES	25.4 mm	75 ns
SN74ALS233BFN	Texas Instruments	OTHER FIFO	COMMERCIAL	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	25 ns	1	TTL	J BEND	PARALLEL	SYNCHRONOUS	133 mA	16 words	5	5	5	CHIP CARRIER	LDCC20,.4SQ	FIFOs	1.27 mm	70 Cel	3-STATE	16X5	16		QUAD	S-PQCC-J20	5.5 V	4.57 mm	40 MHz	8.9662 mm	Not Qualified	80 bit	4.5 V		NOT SPECIFIED	NOT SPECIFIED	YES	8.9662 mm	30 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.