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74ACT821

10-Bit D-Type Flip-Flop with 3-STATE Outputs

Fairchild Semiconductor 

November 1988

Revised August 2000

74AC821 • 74ACT821

10-Bit D-Type Flip-Flop with 3-STATE Outputs

General Description

The AC/ACT821 is a 10-bit D-type flip-flop with 3-STATE

outputs arranged in a broadside pinout.

Features

s 3-STATE outputs for bus interfacing

s Noninverting outputs

s Outputs source/sink 24 mA

s TTL compatible inputs

Ordering Code:

Order Number Package Number

Package Description

74AC821SC

M24B

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

74AC821SPC

N24C

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

74ACT821SC

M24B

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

74ACT821MTC

MTC24

24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

74ACT821SPC

N24C

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

Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. (SPC not available in Tape and Reel.)

Logic Symbols

Connection Diagram

IEEE/IEC

Pin Descriptions

Pin Names

D0–D9

O0–O9

OE

CP

Description

Data Inputs

Data Outputs

Output Enable Input

Clock Input

FACT is a trademark of Fairchild Semiconductor Corporation.

© 2000 Fairchild Semiconductor Corporation DS010139

www.fairchildsemi.com

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