Datasheet Summary
TECHNICAL DATA
Octal 3-State Inverting Bus Transceiver
The 74LV640 is a low-voltage Si-gate CMOS device and is pin and function patible with 74HC/HCT640. The 74LV640 provides six inverting buffers with Schmitt-trigger action.
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- - Wide Operating Voltage: 1.2 to 3.6 V Optimized for Low Voltage applications: 1.0 to 3.6 V Accepts TTL input levels between VCC =2.7 V and VCC =3.6 V Low input current
ORDERING INFORMATION IN74LV640N Plastic IN74LV640D SOIC TA = -40° to 125° C for all packages
PIN ASSIGNMENT
DIR 01
A1 02
A2 03
VCC OE
LOGIC DIAGRAM
DIR 01 OE 19
18 B1
17 B2
A3 04
A4 05
A5 06
A6 07
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
A1
B1 03
A2
A7...