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74F299SJX

Octal Universal Shift/Storage Register with Common Parallel I/O Pins

Fairchild Semiconductor 

April 1988

Revised September 2000

74F299

Octal Universal Shift/Storage Register

with Common Parallel I/O Pins

General Description

The 74F299 is an 8-bit universal shift/storage register with

3-STATE outputs. Four modes of operation are possible:

hold (store), shift left, shift right and load data. The parallel

load inputs and flip-flop outputs are multiplexed to reduce

the total number of package pins. Additional outputs,

Q0-Q7, are provided to allow easy serial cascading. A sep-

arate active LOW Master Reset is used to reset the regis-

ter.

Features

s Common parallel I/O for reduced pin count

s Additional serial inputs and outputs for expansion

s Four operating modes: shift left, shift right, load and

store

s 3-STATE outputs for bus-oriented applications

s Guaranteed 4000V minimum ESD protection

Ordering Code:

Order Number Package Number

Package Description

74F299SC

M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

74F299SJ

M20D

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

74F299PC

N20A

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbols

Connection Diagram

IEEE/IEC

© 2000 Fairchild Semiconductor Corporation DS009515

www.fairchildsemi.com

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