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DS34C87T - CMOS Quad TRISTATE Differential Line Driver

General Description

The DS34C87T is a quad differential line driver designed for digital data transmission over balanced lines.

The DS34C87T meets all the requirements of EIA standard RS-422 while retaining the low power characteristics of CMOS.

Key Features

  • n n n n n n n n n TTL input compatible Typical propagation delays: 6 ns Typical output skew: 0.5 ns Outputs won’t load line when VCC = 0V 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 Connection and Logic Diagrams Dual-In-Line Package DS008576-2 Truth Table Input H L DS008576-1 Control Input H H L Non-Inverting Output H L Z Inverting Output L H Z X Top View Or.

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DS34C87T CMOS Quad TRI-STATE™ Differential Line Driver May 1998 DS34C87T CMOS Quad TRISTATE Differential Line Driver General Description The DS34C87T is a quad differential line driver designed for digital data transmission over balanced lines. The DS34C87T meets all the requirements of EIA standard RS-422 while retaining the low power characteristics of CMOS. This enables the construction of serial and terminal interfaces while maintaining minimal power consumption. The DS34C87T accepts TTL or CMOS input levels and translates these to RS-422 output levels. This part uses special output circuitry that enables the individual drivers to power down without loading down the bus. This device has separate enable circuitry for each pair of the four drivers.