74AC821 鈥?74ACT821 10-Bit D-Type Flip-Flop with 3-STATE Outputs
November 1988
Revised August 2000
74AC821 鈥?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
74AC821SC
74AC821SPC
74ACT821SC
74ACT821MTC
74ACT821SPC
Package Number
M24B
N24C
M24B
MTC24
N24C
Package Description
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
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 鈥淴鈥?to the ordering code. (SPC not available in Tape and Reel.)
Logic Symbols
Connection Diagram
IEEE/IEC
Pin Descriptions
Pin Names
D
0
鈥揇
9
O
0
鈥揙
9
OE
CP
Description
Data Inputs
Data Outputs
Output Enable Input
Clock Input
FACT錚?is a trademark of Fairchild Semiconductor Corporation.
漏 2000 Fairchild Semiconductor Corporation
DS010139
www.fairchildsemi.com