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54ABT245 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54ABT245
Description  Octal Bidirectional Transceiver with TRI-STATE Outputs
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

54ABT245 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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Octal Bidirectional Transceiver with TRI-STATE® Outputs
General Description
The ’ABT245 contains eight non-inverting bidirectional buff-
ers with TRI-STATE outputs and is intended for bus-oriented
applications. Current sinking capability is 48 mA on both the
A and B ports. The Transmit/Receive (T/R) input determines
the direction of data flow through the bidirectional trans-
ceiver. 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.
n Bidirectional non-inverting buffers
n A and B output sink capability of 48 mA, source
capability of 24 mA
n Guaranteed output skew
n Guaranteed multiple output switching specifications
n Output switching specified for both 50 pF and 250 pF
n Guaranteed simultaneous switching, noise level and
dynamic threshold performance
n Guaranteed latchup protection
n High impedance glitch-free bus loading during entire
power up and power down cycle
n Non-destructive hot insertion capability
n Disable time is less than enable time to avoid bus
n Standard Microcircuit Drawing (SMD) 5962-9214801
Ordering Code:
Package Description
20-Lead Ceramic Dual-In-Line
20-Lead Cerpak
20-Lead Ceramic Leadless Chip Carrier, Type C
Logic Symbol
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
July 1998
© 1998 National Semiconductor Corporation

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