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74FR245

Fairchild
Part Number 74FR245
Manufacturer Fairchild
Description Octal Bidirectional Transceiver
Published May 28, 2005
Detailed Description 74FR245 Octal Bidirectional Transceiver with 3-STATE Outputs August 1990 Revised August 1999 74FR245 Octal Bidirection...
Datasheet PDF File 74FR245 PDF File

74FR245
74FR245

Overview
74FR245 Octal Bidirectional Transceiver with 3-STATE Outputs August 1990 Revised August 1999 74FR245 Octal Bidirectional Transceiver with 3-STATE Outputs General Description The 74FR245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus-oriented applications.
Current sinking capability is 64 mA on both the A and B Ports.
The Transmit/Receive (T/R) input determines 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 Ports to A Ports.
The Output Enable input, when HIGH, disables both A and B Ports by placing them in a High Z condition.
Features s Non-inverting buffers s Bidirectional data path s A and B output sink capability of 64 mA, source capability of 15 mA s Guaranteed pin-to-pin skew Ordering Code: Order Number 74FR245SC 74FR245SJ 74FR245PC Package Number M20B M20D N20A Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.
300 Wide 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.
3mm Wide 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.
Logic Symbol Connection Diagram Pin Descriptions Pin Names OE T/R A0–A7 B0–B7 Description Output Enable Input (Active-LOW) Transmit/Receive Input Side A Inputs or 3-STATE Outputs Side B Inputs or 3-STATE Outputs Truth Table Inputs Output OE L L H H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial T/R L H X Bus B Data to Bus A Bus A Data to Bus B High Z State © 1999 Fairchild Semiconductor Corporation DS010887 www.
fairchildsemi.
com 74FR245 Logic Diagram www.
fairchildsemi.
com 2 74FR245 Absolute Maximum Ratings(Note 1) Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias VCC Pin Potential to Ground Pin Input Voltage (Note 2) Input Current (Note 2) Voltage Ap...


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