DS36954 Quad Differential Bus Transceiver
July 1998
DS36954
Quad Differential Bus Transceiver
General Description
The DS36954 is a low power, quad EIA-485 differential bus
transceiver especially suited for high speed, parallel, multi-
point, I/O bus applications. A compact 20-pin surface mount
PLCC or SOIC package provides high transceiver integra-
tion and a very small PC board footprint.
Propagation delay skew between devices is specified to aid
in parallel interface designs 鈥?limits on maximum and mini-
mum delay times are guaranteed.
Five devices can implement a complete SCSI initiator or tar-
get interface. Three transceivers in a package are pinned out
for data bus connections. The fourth transceiver, with the
flexibility provided by its individual enables, can serve as a
control bus transceiver.
Features
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Pinout for SCSI interface
Compact 20-pin PLCC or SOIC package
Meets EIA-485 standard for multipoint bus transmission
Greater than 60 mA source/sink currents
Thermal shutdown protection
Glitch-free driver outputs on power up and down
Connection Diagrams
Logic Diagrams
DS011014-1
Order Number DS36954V
See NS Package Number V20A
DS011014-2
DS011014-19
Order Number DS36954M
See NS Package Number M20B
TRI-STATE
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is a registered trademark of National Semiconductor Corporation.
漏 1999 National Semiconductor Corporation
DS011014
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