74ACT563 Octal Latch with 3-STATE Outputs
November 1988
Revised December 1998
74ACT563
Octal Latch with 3-STATE Outputs
General Description
The ACT563 is a high-speed octal latch with buffered com-
mon Latch Enable (LE) and buffered common Output
Enable (OE) inputs.
The ACT563 device is functionally identical to the ACT573,
but with inverted outputs.
Features
s
I
CC
and I
OZ
reduced by 50%
s
Inputs and outputs on opposite sides of package allow
easy interface with microprocessors
s
Useful as input or output port for microprocessors
s
Functionally identical to ACT573 but with inverted out-
puts
s
Outputs source/sink 24 mA
s
ACT563 has TTL-compatible inputs
Ordering Code:
Order Number
74ACT563SC
Package Number
M20B
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300鈥?Wide Body
Device also available in Tape and Reel. Specify by appending suffix letter 鈥淴鈥?to the ordering code.
Logic Symbols
Connection Diagram
Pin Assignment
for SOIC
IEEE/IEC
Pin Descriptions
Pin Names
D
0
鈥揇
7
LE
OE
O
0
鈥揙
7
Data Inputs
Latch Enable Input
3-STATE Output Enable Input
3-STATE Latch Outputs
Description
FACT鈩?is a trademark of Fairchild Semiconductor Corporation.
漏 1999 Fairchild Semiconductor Corporation
DS009970.prf
www.fairchildsemi.com