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74F673A

Fairchild
Part Number 74F673A
Manufacturer Fairchild
Description 16-Bit Serial-In / Serial/Parallel-Out Shift Register
Published May 28, 2005
Detailed Description 74F673A 16-Bit Serial-In, Serial/Parallel-Out Shift Register April 1988 Revised August 1999 74F673A 16-Bit Serial-In, ...
Datasheet PDF File 74F673A PDF File

74F673A
74F673A


Overview
74F673A 16-Bit Serial-In, Serial/Parallel-Out Shift Register April 1988 Revised August 1999 74F673A 16-Bit Serial-In, Serial/Parallel-Out Shift Register General Description The 74F673A contains a 16-bit serial-in, serial-out shift register and a 16-bit Parallel-Out storage register.
A single pin serves either as an input for serial entry or as a 3STATE serial output.
In the Serial-Out mode, the data recirculates in the shift register.
By means of a separate clock, the contents of the shift register are transferred to the storage register for parallel outputting.
The contents of the storage register can also be parallel loaded back into the shift register.
A HIGH signal on the Chip Select input prevents both shifting and parallel transfer.
The storage register may be cleared via STMR.
Features s Serial-to-parallel converter s 16-bit serial I/O shift register s 16-bit parallel-out storage register s Recirculating serial shifting s Recirculating parallel transfer s Common serial data I/O pin s Slim 24 lead package Ordering Code: Order Number 74F673ASC 74F673APC 74F673ASPC Package Number M24B N24A 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-010, 0.
600 Wide 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 0.
300 Wide Devices also available in Tape and Reel.
Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols IEEE/IEC Connection Diagram © 1999 Fairchild Semiconductor Corporation DS009585 www.
fairchildsemi.
com 74F673A Unit Loading/Fan Out Pin Names CS SHCP STMR STCP R/W SI/O Q0–Q15 Description Chip Select Input (Active LOW) Shift Clock Pulse Input (Active Falling Edge) Store Master Reset Input (Active LOW) Store Clock Pulse Input Read/Write Input Serial Data Input or 3-STATE Serial Output Parallel Data Outputs U.
L.
HIGH/LOW 1.
0/1.
0 1.
0/1.
0 1.
0/1.
0 1.
0/1.
0 1.
0/1.
0 3.
5/1.
0 150/40 50/33.
3 Input IIH/IIL Output IOH/IOL 20 µ...


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