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54ABT245W-QML Datasheet

  • 54ABT245W-QML

  • Octal Bidirectional Transceiver with TRI-STATE Outputs

  • 265.27KB

  • 10頁(yè)

  • NSC

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54ABT245 Octal Bidirectional Transceiver with TRI-STATE Outputs
July 1998
54ABT245
Octal Bidirectional Transceiver with TRI-STATE
廬
Outputs
General Description
The 鈥橝BT245 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
Guaranteed output skew
n
Guaranteed multiple output switching specifications
n
Output switching specified for both 50 pF and 250 pF
loads
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
contention
n
Standard Microcircuit Drawing (SMD) 5962-9214801
Features
n
Bidirectional non-inverting buffers
n
A and B output sink capability of 48 mA, source
capability of 24 mA
Ordering Code:
Military
54ABT245J-QML
54ABT245W-QML
54ABT245E-QML
Package
Number
J20A
W20A
E20A
20-Lead Ceramic Dual-In-Line
20-Lead Cerpak
20-Lead Ceramic Leadless Chip Carrier, Type C
Package Description
Logic Symbol
DS100204-1
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
漏 1998 National Semiconductor Corporation
DS100204
www.national.com

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