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MC74HCT245A -MC74HCT245ADT-MC74HCT245ADWR2
Octal 3-State Non-Inverting Transceiver
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High–Performance Silicon–Gate CMOSThe MC74HCT245A is identical in pinout to the LS245. This
device may be used as a level converter for interfacing TTL or NMOS
outputs to High Speed CMOS inputs.
The MC74HCT245A is a 3–state noninverting transceiver that is
used for 2–way asynchronous communication between data buses.
The device has an active–low Output Enable pin, which is used to
place the I/O ports into high–impedance states. The Direction control
determines whether data flows from A to B or from B to A. Output Drive Capability: 15 LSTTL Loads TTL/NMOS Compatible Input Levels Outputs Directly Interface to CMOS, NMOS and TTL Operating V oltage Range: 4.5 to 5.5 V Low Input Current: 1.0 μA In Compliance with the Requirements Defined by JEDEC Standard
No. 7A Chip Complexity: 304 FETs or 76 Equivalent Gates
LOGIC DIAGRAMDATA
PORT
DIRECTION
OUTPUT ENABLE
PIN 20 = VCC
PIN 10 = GND
DATA
PORT
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎ
ÎÎÎ
ÎÎÎ
*Equivalent to a two–input NAND gate.
FUNCTION TABLE
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MARKING
DIAGRAMS = Assembly Location = Wafer Lot = Year = Work Week
SOIC WIDE–20
DW SUFFIX
CASE 751D
PDIP–20
N SUFFIX
CASE 738
TSSOP–20
DT SUFFIX
CASE 948E
ORDERING INFORMATION
PIN ASSIGNMENTDIRECTION
GND
OUTPUT ENABLE
VCC
