IN74HC245AN IK Semiconductor, IN74HC245AN Datasheet

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IN74HC245AN

Manufacturer Part Number
IN74HC245AN
Description
Manufacturer
IK Semiconductor
Datasheet
Octal 3-State Noninverting
Bus Transceiver
High-Performance Silicon-Gate CMOS
device inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
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.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices
The IN74HC245A is identical in pinout to the LS/ALS245. The
The IN74HC245A is a 3-state noninverting transceiver that is used for
LOGIC DIAGRAM
PIN 10 = GND
PIN 20=V
CC
X = don’t care
Output
Enable
H
L
L
Control Inputs
T
FUNCTION TABLE
A
ORDERING INFORMATION
PIN ASSIGNMENT
= -55° to 125° C for all packages
Direction
IN74HC245ADW SOIC
IN74HC245AN Plastic
H
X
L
TECHNICAL DATA
IN74HC245A
Data Transmitted
from Bus B to
Bus A
Data Transmitted
from Bus A to
Bus B
Buses Isolated
(High Impedance
State)
Operation
Rev. 00

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IN74HC245AN Summary of contents

Page 1

... PIN 10 = GND T Control Inputs CC Output Enable don’t care TECHNICAL DATA IN74HC245A ORDERING INFORMATION IN74HC245AN Plastic IN74HC245ADW SOIC = -55° to 125° C for all packages A PIN ASSIGNMENT FUNCTION TABLE Direction Operation L Data Transmitted from Bus B to Bus A H Data Transmitted ...

Page 2

MAXIMUM RATINGS Symbol Parameter V DC Supply Voltage (Referenced to GND Input Voltage (Referenced to GND Output Voltage (Referenced to GND) OUT I DC Input Current, per Pin Output Current, ...

Page 3

DC ELECTRICAL CHARACTERISTICS Symbol Parameter V Minimum High- IH Level Input Voltage V Maximum Low - IL Level Input Voltage V Minimum High- OH Level Output Voltage V Maximum Low- OL Level Output Voltage I Maximum Input IN Leakage Current ...

Page 4

AC ELECTRICAL CHARACTERISTICS Symbol Parameter Maximum Propagation Delay PLH PHL to A (Figures 1 and Maximum Propagation Delay , Direction or PLZ PHZ Output Enable ...

Page 5

Figure 3. Test Circuit EXPANDED LOGIC DIAGRAM IN74HC245A Figure 4. Test Circuit Rev. 00 ...

Page 6

0.25 (0.010 NOTES: 1. Dimensions “A”, “B” do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side -T- D 0.25 (0.010) ...

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