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MC74LCX245-MC74LCX245DT-MC74LCX245DTR2-MC74LCX245DWR2-MC74LCX245MEL
Low-Voltage CMOS Octal Transceiver
MC74LCX245
Low-Voltage CMOS Octal
Transceiver
With 5 V−Tolerant Inputs and Outputs
(3−State, Inverting)The MC74LCX245 is a high performance, non−inverting octal
transceiver operating from a 2.3 to 3.6 V supply. 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 5.5 V allows MC74LCX245 inputs
to be safely driven from 5 V devices. The MC74LCX245 is suitable
for memory address driving and all TTL level bus oriented transceiver
applications.
Current drive capability is 24 mA at both A and B ports. The
Transmit/Receive (T/R) input determines the direction of data flow
through the bi−directional transceiver. Transmit (active−HIGH)
enables data from A ports to B ports; Receive (active−LOW) enables
data from B to A ports. The Output Enable input, when HIGH,
disables both A and B ports by placing them in a HIGH Z condition.
Features Designed for 2.3 to 3.6 V VCC Operation 5 V Tolerant − Interface Capability With 5 V TTL Logic Supports Live Insertion and Withdrawal IOFF Specification Guarantees High Impedance When VCC = 0 V LVTTL Compatible LVCMOS Compatible 24 mA Balanced Output Sink and Source Capability Near Zero Static Supply Current in All Three Logic States (10 �A)
Substantially Reduces System Power Requirements Latchup Performance Exceeds 500 mA ESD Performance: Human Body Model >2000 V
Machine Model >200 V Pb−Free Packages are Available*
*For additional information on our Pb−Free strategy and soldering details, please
