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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The DS34C87TM is a quad CMOS tri-state 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. It 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.
TTL input compatible
Outputs will not load line when VCC = 0V
Meets the requirements of EIA standard RS-422
Tri-state outputs for connection to system buses
Low quiescent current
Available in surface mount
6ns Typical propagation delay
0.5ns Typical output skew

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DS34C87TM Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Supply Voltage (DC)	4.75V (min)
Output Current	150 mA
Supply Current	2 mA
Number of Positions	16 Position
Power Dissipation	1.23 W
Drivers Per Package	4
Output Voltage (Max)	3.4 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.5V ~ 5.5V
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	4.75 V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99
HK STC License	NLR

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