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MC74LCX540MOTN/a555avaiLow-Voltage CMOS Octal Buffer Flow Through Pinout
MC74LCX540DWMOTN/a826avaiLow-Voltage CMOS Octal Buffer Flow Through Pinout with 5V-Tolerant Inputs and Outputs (3-State, Inverting)


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MC74LCX540-MC74LCX540DW
LOW-VOLTAGE CMOS OCTAL BUFFER
SEMICONDUCTOR TECHNICAL DATA
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The MC74LCX540 is a high performance, inverting octal buffer
operating from a 2.7 to 3.6V supply. This device is similar in function to the
MC74LCX240, while providing flow through architecture. High
impedance TTL compatible inputs significantly reduce current loading to
input drivers while TTL compatible outputs offer improved switching noise
performance. A VI specification of 5.5V allows MC74LCX540 inputs to be
safely driven from 5V devices. The MC74LCX540 is suitable for memory
address driving and all TTL level bus oriented transceiver applications.
Current drive capability is 24mA at the outputs. The Output Enable
(OE1, OE2) inputs, when HIGH, disables the outputs by placing them in a
HIGH Z condition. Designed for 2.7 to 3.6V VCC Operation 5V T olerant — Interface Capability With 5V TTL Logic Supports Live Insertion and Withdrawal IOFF Specification Guarantees High Impedance When VCC = 0V LVTTL Compatible LVCMOS Compatible 24mA Balanced Output Sink and Source Capability Near Zero Static Supply Current in All Three Logic States (10μA)
Substantially Reduces System Power Requirements Latchup Performance Exceeds 500mA ESD Performance: Human Body Model >2000V; Machine Model >200V
Pinout: 20–Lead (Top View)

VCC
OE2 O0 O1 O2 O3 O4 O5 O6 O7
OE1 D0 D1 D2 D3 D4 D5 D6 D7 GND
PIN NAMES
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