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54ACT323L 数据表(PDF) 1 Page - National Semiconductor (TI) |
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54ACT323L 数据表(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page 54ACT323 8-Bit Universal Shift/Storage Register with Synchronous Reset and Common I/O Pins General Description The ’ACT323 is an 8-bit universal shift/storage register with TRI-STATE® outputs. Parallel load inputs and flip-flop out- puts are multiplexed to minimize pin count. Separate serial inputs and outputs are provided for Q 0 and Q7 to allow easy cascading. Four operation modes are possible: hold (store), shift left, shift right and parallel load. Features n ICC and IOZ reduced by 50% n Common parallel I/O for reduced pin count n Additional serial inputs and outputs for expansion n Four operating modes: shift left, shift right, load and store n TRI-STATE outputs for bus-oriented applications n Outputs source/sink 24 mA n TTL-compatible inputs n Standard Military Drawing (SMD) — ’ACT323: 5962-91607 Logic Symbols Pin Name Description CP Clock Pulse Input DS 0 Serial Data Input for Right Shift DS 7 Serial Data Input for Left Shift S 0,S1 Mode Select Inputs SR Synchronous Reset Input OE 1,OE2 TRI-STATE Output Enable Inputs I/O 0– I/O7 Multiplexed Parallel Data Inputs or TRI-STATE Parallel Data Outputs Q 0,Q7 Serial Outputs TRI-STATE® is a registered trademark of National Semiconductor Corporation. FACT™ is a trademark of Fairchild Semiconductor Corporation. DS100328-1 DS100328-5 July 1998 © 1998 National Semiconductor Corporation DS100328 www.national.com |
类似零件编号 - 54ACT323L |
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类似说明 - 54ACT323L |
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