74ACT652

74ACT652 Transceiver/Register

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74ACT652 Transceiver/Register

August 1999 Revised September 2000

74ACT652 Transceiver/Register
General Description
The ACT652 consists of bus transceiver circuits with Dtype flip-flops, and control circuitry arranged for multiplexed transmission of data directly from the input bus or from internal registers. Data on the A or B bus will be clocked into the registers as the appropriate clock pin goes to the HIGH logic level. Output Enable pins (OEAB, OEBA) are provided to control the transceiver function.

Features
s Independent registers for A and B buses s Multiplexed real-time and stored data s Outputs source/sink 24 mA s TTL-compatible inputs

Ordering Code:
Order Number 74ACT652SC 74ACT652MTC 74ACT652SPC Package Number M24B MTC24 N24C Package Description 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 "X" to the ordering code.

Logic Symbols
IEEE/IEC

Connection Diagram

Pin Descriptions
Pin Names A0 A7, B0 B7 CPAB, CPBA SAB, SBA OEAB, OEBA Description A and B Inputs/3-STATE Outputs Clock Inputs Select Inputs Output Enable Inputs

FACT is a trademark of Fairchild Semiconductor Corporation.

2000 Fairchild Semiconductor Corporation

DS500310

www.fairchildsemi.com