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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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54ABT16646W-QML Fiches technique(PDF) 1 Page - National Semiconductor (TI) |
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54ABT16646W-QML Fiches technique(HTML) 1 Page - National Semiconductor (TI) |
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1 / 8 page  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 select controls can multiplex stored and real-time (transpar- ent 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 register. 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 Package Package Description Number 54ABT16646W-QML WA56A 56-Lead Cerpack Logic Symbol Pin Names Description A 0–A15 Data Register A Inputs/ TRI-STATE Outputs B 0–B15 Data Register B Inputs/ TRI-STATE Outputs CPAB n, CPBAn Clock Pulse Inputs SAB n, SBAn Select Inputs OE n Output Enable Input DIR Direction Control Input TRI-STATE® is a registered trademark of National Semiconductor Corporation. DS100226-1 July 1998 © 2004 National Semiconductor Corporation DS100226 www.national.com |
Numéro de pièce similaire - 54ABT16646W-QML |
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Description similaire - 54ABT16646W-QML |
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