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SNJ54ALS640BJTIN/a14avaiOctal Bus Transceivers With 3-State Outputs


SNJ54ALS640BJ ,Octal Bus Transceivers With 3-State Outputs SN54ALS640B, SN54AS640, SN74ALS640B, SN74AS640 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SDAS122 ..
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SNJ54ALS640BJ
Octal Bus Transceivers With 3-State Outputs
Chip Carriers (FK), and Standard Plastic (N)
and Ceramic (J) 300-mil DIPs

description

These octal bus transceivers are designed for
asynchronous two-way communication between
data buses. These devices transmit data from the
A bus to the B bus or from the B bus to the A bus,
depending upon the level at the direction-control
(DIR) input. The output-enable (OE) input can be
used to disable the device so that the buses are
effectively isolated.
The -1 version of the SN74ALS640B is identical to
the standard version, except that the
recommended maximum IOL for the -1 version is
increased to 48 mA. There is no -1 version of the
SN54ALS640B.
The SN54ALS640B and SN54AS640 are
characterized for operation over the full military
temperature range of –55°C to 125°C. The
SN74ALS640B and SN74AS640 are
characterized for operation from 0°C to 70°C.
FUNCTION TABLE

GND
SN54ALS640B, SN54AS640... FK PACKAGE
(TOP VIEW)
A1DIRB6
GND
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