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DS26C31T

Part Number	DS26C31T
Manufacturer	National Semiconductor
Description	CMOS Quad TRI-STATE Differential Line Driver
Published	Mar 30, 2005
Detailed Description	DS26C31T/DS26C31M CMOS Quad TRI-STATE Differential Line Driver June 1998 DS26C31T/DS26C31M CMOS Quad TRI-STATE ® Diffe...
Datasheet	DS26C31T PDF File

Overview

DS26C31T/DS26C31M CMOS Quad TRI-STATE Differential Line Driver June 1998 DS26C31T/DS26C31M CMOS Quad TRI-STATE ® Differential Line Driver General Description The DS26C31 is a quad differential line driver designed for digital data transmission over balanced lines.
The DS26C31T meets all the requirements of EIA standard RS-422 while retaining the low power characteristics of CMOS.
The DS26C31M is compatible with EIA standard RS-422; however, one exception in test methodology is taken (Note 8).
This enables the construction of serial and terminal interfaces while maintaining minimal power consumption.
The DS26C31 accepts TTL or CMOS input levels and translates these to RS-422 output levels.
This part uses special output circuitry that enables the drivers to power down without loading down the bus.
This device has enable and disable circuitry common to all four drivers.
The DS26C31 is pin compatible to the AM26LS31 and the DS26LS31.
All inputs are protected against damage due to electrostatic discharge by diodes to VCC and ground.
Features n n n n n n n n n n TTL input compatible Typical propagation delays: 6 ns Typical output skew: 0.
5 ns Outputs will not load line when VCC = 0V DS26C31T meets the requirements of EIA standard RS-422 Operation from single 5V supply TRI-STATE outputs for connection to system buses Low quiescent current Available in surface mount Mil-Std-883C compliant Connection Diagrams Dual-In-Line Package 20-Lead Ceramic Leadless Chip Carrier (E) DS008574-1 Top View Order Number DS26C31TM or DS26C31TN See NS Package Number M16A or N16E For Complete Military Product Specifications, refer to the appropriate SMD or MDS.
Order Number DS26C31ME/883, DS26C31MJ/883 or DS26C31MW/883 See NS Package Number E20A, J16A or W16A DS008574-12 Truth Table ENABLE ENABLE L All other combinations of enable inputs L = Low logic state X = Irrelevant H = High logic state Z = TRI-STATE (high impedance) Input X L H Non-Inverting Output Z L H Inverting Output Z H ...

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