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54ACT245F Datasheet

  • 54ACT245F

  • Octal Bidirectional Transceiver with TRI-STATE Inputs/Output...

  • 8頁

  • NSC

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54AC245
鈥?/div>
54ACT245 Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs
August 1998
54AC245
鈥?/div>
54ACT245
Octal Bidirectional Transceiver with TRI-STATE
廬
Inputs/Outputs
General Description
The 鈥橝C/鈥橝CT245 contains eight non-inverting bidirectional
buffers with TRI-STATE outputs and is intended for
bus-oriented applications. Current sinking capability is
24 mA at both the A and B ports. The Transmit/Receive (T/R)
input determines the direction of data flow through the bidi-
rectional 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
n
n
n
n
n
n
I
CC
and I
OZ
reduced by 50%
Noninverting buffers
Bidirectional data path
A and B outputs source/sink 24 mA
鈥橝CT245 has TTL-compatible inputs
Standard Microcircuit Drawing (SMD)
鈥?鈥橝C245: 5962-87758
鈥?鈥橝CT245: 5962-87663
Logic Symbols
IEEE/IEC
DS100283-1
DS100283-2
Pin
Names
OE
T/R
A
0
鈥揂
7
B
0
鈥揃
7
Description
Output Enable Input
Transmit/Receive Input
Side A TRI-STATE Inputs or TRI-STATE Outputs
Side B TRI-STATE Inputs or TRI-STATE Outputs
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
FACT
廬
is a registered trademark of Fairchild Semiconductor Corporation.
漏 1998 National Semiconductor Corporation
DS100283
www.national.com

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