74F545PC Fairchild Semiconductor, 74F545PC Datasheet

IC TRANSCEIVER 3ST 8BIT 20DIP

74F545PC

Manufacturer Part Number
74F545PC
Description
IC TRANSCEIVER 3ST 8BIT 20DIP
Manufacturer
Fairchild Semiconductor
Series
74Fr
Datasheet

Specifications of 74F545PC

Logic Type
Transceiver, Non-Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
3mA, 24mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74F545
© 1999 Fairchild Semiconductor Corporation
74F545SC
74F545PC
74F545
Octal Bidirectional Transceiver with 3-STATE Outputs
General Description
The 74F545 is an 8-bit, 3-STATE, high-speed transceiver. It
provides bidirectional drive for bus-oriented microproces-
sor and digital communications systems. Straight through
bidirectional transceivers are featured, with 24 mA bus
drive capability on the A Ports and 64 mA bus drive capa-
bility on the B Ports.
One input, Transmit/Receive (T/R) determines the direction
of logic signals through the bidirectional transceiver. Trans-
mit enables data from A-to-B Ports; Receive enables data
from B-to-A Ports. The Output Enable input disables both A
and B Ports by placing them in a 3-STATE condition.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
Order Number
Package Number
IEEE/IEC
M20B
N20A
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
DS009556
Features
Connection Diagram
Higher drive than 8304
8-bit bidirectional data flow reduces system package
count
3-STATE inputs/outputs for interfacing with bus-oriented
systems
24 mA and 64 mA bus drive capability on A and B Ports,
respectively
Transmit/Receive and Output Enable simplify control
logic
Guaranteed 4000V minimum ESD protection
Package Description
April 1988
Revised August 1999
www.fairchildsemi.com

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74F545PC Summary of contents

Page 1

... Package Number 74F545SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74F545PC N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. ...

Page 2

Unit Loading/Fan Out Pin Names Description OE Output Enable Input (Active LOW) T/R Transmit/Receive Input A –A Side A 3-STATE Inputs 3-STATE Outputs B –B Side B 3-STATE Inputs 3-STATE Outputs Truth Table OE ...

Page 3

Absolute Maximum Ratings Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias V Pin Potential to Ground Pin CC Input Voltage (Note 2) Input Current (Note 5.0 mA Voltage Applied to Output in HIGH State ...

Page 4

AC Electrical Characteristics Symbol Parameter t Propagation Delay PLH PHL Output Enable Time PZH t PZL t Output Disable Time PHZ t PLZ www.fairchildsemi.com ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide Package Number M20B 5 www.fairchildsemi.com ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right ...

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