74ACT652SC

74ACT652SC Datasheet


74ACT652 Transceiver/Register

Part Datasheet
74ACT652SC 74ACT652SC 74ACT652SC (pdf)
Related Parts Information
74ACT652SCX 74ACT652SCX 74ACT652SCX
74ACT652MTCX 74ACT652MTCX 74ACT652MTCX
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74ACT652 Transceiver/Register
74ACT652 Transceiver/Register

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.
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 Package Number

Package Description
74ACT652SC

M24B
24-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide
74ACT652MTC

MTC24
24-Lead Thin Shrink Small Outline Package TSSOP , JEDEC MO-153, 4.4mm Wide
74ACT652SPC

N24C
24-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Logic Symbols

Connection Diagram

IEEE/IEC

Pin Descriptions

Pin Names CPAB, CPBA SAB, SBA OEAB, OEBA

Description A and B Inputs/3-STATE Outputs Clock Inputs Select Inputs Output Enable Inputs
is a trademark of Fairchild Semiconductor Corporation.
2000 Fairchild Semiconductor Corporation DS500310
74ACT652

Function Table

Inputs

Inputs/Outputs Note 1

Operating Mode

OEAB OEBA CPAB CPBA SAB SBA A0 thru A7 B0 thru B7

H or L H or L

X Input X

Input

Isolation Store A and B Data

H or L

X Input

Not Specified Store A, Hold B

H or L

X Input

Output

X Not Specified Input

Store A in Both Registers Hold A, Store B

X Output

Input

Store B in Both Registers

L Output

Input

Real-Time B Data to A Bus

H or L

Store B Data to A Bus

X Input

Output

Real-Time A Data to B Bus

H or L

Stored A Data to B Bus

H or L H or L
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Datasheet ID: 74ACT652SC 513179