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DS34C87T
  • DS34C87T
  • DS34C87T

DS34C87T

ACTIVE

CMOS Quad TRI-STATE Differential Line Driver

Texas Instruments DS34C87T Product Info

1 April 2026 4

Parameters

Number of receivers

0

Number of transmitters

4

Duplex

Half

Supply voltage (nom) (V)

5

Signaling rate (max) (Mbps)

30

IEC 61000-4-2 contact (±V)

None

Fault protection (V)

-0.5 to 7

Common-mode range (V)

-14 to 14

Number of nodes

32

Isolated

No

Supply current (max) (µA)

500

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Package

SOIC (D)-16-59.4 mm² 9.9 x 6

Features

  • 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

All trademarks are the property of their respective owners.

  • 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

All trademarks are the property of their respective owners.

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. The DS34C87T is pin compatible to the DS3487T.

All inputs are protected against damage due to electrostatic discharge by diodes to VCC and ground.

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