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PI74FCT162543T Datasheet(PDF) 2 Page - Pericom Semiconductor Corporation |
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PI74FCT162543T Datasheet(HTML) 2 Page - Pericom Semiconductor Corporation |
2 / 7 page PI74FCT16543/162543/162H543T 16-BIT LATCHED TRANSCEIVERS 2 PS2038B 01/10/01 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 25 26 27 28 32 31 30 29 1 OEAB 1 LEAB 1 CEAB GND 1 A0 1 A1 VCC 1 A2 1 A3 1 A4 GND 1 A5 1 A6 1 A7 2 A0 2 A1 2 A2 GND 2 A3 2 A4 2 A5 VCC 2 A6 2 A7 GND 2 CEAB 2 LEAB 2 OEAB 1 OEBA 1 LEBA 1 CEBA GND 1 B0 1 B1 VCC 1 B2 1 B3 1 B4 GND 1 B5 1 B6 1 B7 2 B0 2 B1 2 B2 GND 2 B3 2 B4 2 B5 VCC 2 B6 2 B7 GND 2 CEBA 2 LEBA 2 OEBA Product Pin Description Pin Name Description xOEAB A-to-B Output Enable Input (Active LOW) xOEBA B-to-A Output Enable Input (Active LOW) xCEAB A-to-B Enable Input (Active LOW) xCEBA B-to-A Enable Input (Active LOW) xLEAB A-to-B Latch Enable Input (Active LOW) xLEBA B-to-A Latch Enable Input (Active LOW) xAx A-to-B Data Inputs or B-to-A 3-State Outputs(1) xBx B-to-A Data Inputs or B-to-A 3-State Outputs(1) GND Ground VCC Power Latch Output Inputs Status Buffers X CEAB X LEAB XOEAB XAX TO XBXXBX H X X Storing High Z X H X Storing X X X H X High Z L L L Transparent Current A Inputs L H L Storing Previous* A Inputs Truth Table (1) Notes: 1. *Before xLEAB LOW-to-HIGH Transistion H = High Voltage Level L = Low Voltage Level X = Don’t Care or Irrelevant Z = High Impedance 2. A-to-B data flow shown. B-to-A flow control is the same, except using xCEBA, xLEBA, and xOEBA. Note: 1. For the PI74FCT162H543T, these pins have “Bus Hold.” All other pins are standard, outputs, or I/Os. Product Pin Configuration 56-PIN V56 A56 |
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