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74F245CW

Octal Bidirectional Transceiver with 3-STATE Outputs

Fairchild Semiconductor 

April 1988

Revised April 1999

74F245

Octal Bidirectional Transceiver with 3-STATE Outputs

General Description

The 74F245 contains eight non-inverting bidirectional buff-

ers with 3-STATE outputs and is intended for bus-oriented

applications. Current sinking capability is 24 mA at the A

Ports and 64 mA at the 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 outputs sink 24 mA

s B outputs sink 64 mA

Ordering Code:

Order Number Package Number

Package Description

74F245SC

M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

74F245SJ

M20D

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

74F245MSA

MSA20

20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide

74F245MTC

MTC20

20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

74F245PC

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.

Logic Symbols

Connection Diagram

IEEE/IEC

© 1999 Fairchild Semiconductor Corporation DS009503.prf

www.fairchildsemi.com

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