MC74LCX646 データシートの表示（PDF） - ON Semiconductor

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MC74LCX646

Low−Voltage CMOS Octal Transceiver/Registered Transceiver

ON Semiconductor 

MC74LCX646

VCC CBA SBA OE B0 B1 B2 B3 B4 B5 B6 B7

24 23 22 21 20 19 18 17 16 15 14 13

CBA 1

DIR 3

OE 21

SBA 22

SAB 2

CAB 23

A0

1 2 3 4 5 6 7 8 9 10 11 12

CAB SAB DIR A0 A1 A2 A3 A4 A5 A6 A7 GND

Figure 1. Pinout: 24−Lead Package (Top View)

C

Q

D

C

Q

D

B0

1 of 8 Channels

To 7 Other Channels

Figure 2. LOGIC DIAGRAM

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