54ABT16646W-QML Datasheet دیتاشیت PDF دانلود

دیتاشیت - National Semiconductor - 16-Bit Transceivers and Registers with TRI-STATE Outputs

شماره قطعه	54ABT16646W-QML
شرح مفصل	16-Bit Transceivers and Registers with TRI-STATE Outputs
تولید کننده	National Semiconductor
آرم
1 Page No Preview Available ! July 1998 54ABT16646 16-Bit Transceivers and Registers with TRI-STATE® Outputs General Description The ’ABT16646 consists of bus transceiver circuits with TRI-STATE, D-type flip-flops, and control circuitry arranged for multiplexed transmission of data directly from the input bus or from the internal registers. Data on the A or B bus will be clocked into the registers as the appropriate clock pin goes to a high logic level. Control OE and direction pins are provided to control the transceiver function. In the trans- ceiver mode, data present at the high impedance port may be stored in either the A or the B register or in both. The se- lect controls can multiplex stored and real-time (transparent mode) data. The direction control determines which bus will receive data when the enable control OE is Active LOW. In the isolation mode (control OE HIGH), A data may be stored in the B register and/or B data may be stored in the A regis- ter. Features n Independent registers for A and B buses n Multiplexed real-time and stored data n A and B output sink capability of 48 mA, source capability of 24 mA n Guaranteed latchup protection n High impedance glitch free bus loading during entire power up and power down cycle n Nondestructive hot insertion capability n Standard Microcircuit Drawing (SMD) 5962-9450202 Ordering Code Military 54ABT16646W-QML Logic Symbol Package Number WA56A 56-Lead Cerpack Package Description DS100226-1 Pin Names A0– A15 B0– B15 CPABn, CPBAn SABn, SBAn OEn DIR Description Data Register A Inputs/ TRI-STATE Outputs Data Register B Inputs/ TRI-STATE Outputs Clock Pulse Inputs Select Inputs Output Enable Input Direction Control Input TRI-STATE® is a registered trademark of National Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100226 PrintDate=1998/07/14 PrintTime=11:10:43 43606 ds100226 Rev. No. 1 cmserv Proof www.national.com 1 1
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دیتاشیت توصیه

شماره قطعه	شرح مفصل	تولید کنندگان
54ABT16646W-QML	16-Bit Transceivers and Registers with TRI-STATE Outputs	National Semiconductor

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