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MC74LCX16245DTR2 View Datasheet(PDF) - ON Semiconductor

Part NameDescriptionManufacturer
MC74LCX16245DTR2 Low?Voltage CMOS 16?Bit Transceiver With 5 V?Tolerant Inputs and Outputs (3?State, Non?Inverting) ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC74LCX16245DTR2 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Low−Voltage CMOS
16−Bit Transceiver
With 5 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The MC74LCX16245 is a high performance, non−inverting 16−bit
transceiver operating from a 2.3 to 3.6 V supply. The device is byte
controlled. Each byte has separate Output Enable inputs which can be
tied together for full 16−bit operation. 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 MC74LCX16245
inputs to be safely driven from 5.0 V devices. The MC74LCX16245 is
suitable for memory address driving and all TTL level bus oriented
transceiver applications.
The 4.5 ns maximum propagation delays support high performance
applications. Current drive capability is 24 mA at both A and B ports.
The Transmit/Receive (T/Rn) inputs determine the direction of data
flow through the bidirectional 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 inputs (OEn), when HIGH,
disable both A and B ports by placing them in a HIGH Z condition.
Designed for 2.3 to 3.6 V VCC Operation
4.5 ns Maximum tpd
5.0 V Tolerant − Interface Capability With 5.0 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 (20 mA)
Substantially Reduces System Power Requirements
Latchup Performance Exceeds 500 mA
ESD Performance: Human Body Model >2000 V;
Machine Model >200 V
These are Pb−Free Devices*
CASE 1201
= Assembly Location
WL = Wafer Lot
= Year
WW = Work Week
= Pb−Free Package
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2005
August, 2005 − Rev. 7
Publication Order Number:
Direct download click here


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