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74F403 Datasheet

  • 74F403

  • First-In First-Out (FIFO) Buffer Memory

  • 171.32KB

  • FAIRCHILD

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74F403A First-In First-Out (FIFO) Buffer Memory
January 1989
Revised May 1999
74F403A
First-In First-Out (FIFO) Buffer Memory
General Description
The 74F403A is an expandable fall-through type high-
speed First-In First-Out (FIFO) Buffer Memory optimized
for high-speed disk or tape controllers and communication
buffer applications. It is organized as 16-words by 4-bits
and may be expanded to any number of words or any num-
ber of bits in multiples of four. Data may be entered or
extracted asynchronously in serial or parallel, allowing eco-
nomical implementation of buffer memories.
The 74F403A has 3-STATE outputs which provide added
versatility and is fully compatible with all TTL families.
Features
s
Serial or parallel input
s
Serial or parallel output
s
Expandable without external logic
s
3-STATE outputs
s
Fully compatible with all TTL families
s
Slim 24-pin package
s
9403A replacement
s
Guaranteed 4000V minimum ESD protection
Ordering Code:
Order Number
74F403ASPC
Package Number
N24C
Package Description
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Connection Diagram
Logic Symbol
漏 1999 Fairchild Semiconductor Corporation
DS009536.prf
www.fairchildsemi.com

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