74ACT18823

74ACT18823 18-Bit D-Type Flip-Flop with 3-STATE Outputs

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74ACT18823 18-Bit D-Type Flip-Flop with 3-STATE Outputs

August 1999 Revised October 1999

74ACT18823 18-Bit D-Type Flip-Flop with 3-STATE Outputs
General Description
The ACT18823 contains eighteen non-inverting D-type flipflops with 3-STATE outputs and is intended for bus oriented applications. The device is byte controlled. A buffered clock (CP), Clear (CLR), Clock Enable (EN) and Output Enable (OE) are common to each byte and can be shorted together for full 18-bit operation.

Features
s Broadside pinout allows for easy board layout s Separate control logic for each byte s Extra data width for wider address/data paths or buses carrying parity s Outputs source/sink 24 mA s TTL-compatible inputs

Ordering Code:
Order Number 74ACT18823SSC 74ACT18823MTD Package Number MS56A MTD56 Package Description 56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300" Wide 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Device also available in Tape and Reel. Specify by appending suffix letter "X" to the ordering code.

Logic Symbol

Connection Diagram

Pin Descriptions
Pin Names OEn CLRn ENn CPn I0 I17 O0 O17 Description Output Enable Input (Active LOW) Clear (Active LOW) Clock Enable (Active LOW) Clock Pulse Input Inputs Outputs

FACTTM is a trademark of Fairchild Semiconductor Corporation.

1999 Fairchild Semiconductor Corporation

DS500294

www.fairchildsemi.com