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National DS90C032 Data Sheet

Summary

This ultra low power quad CMOS differential line receiver is engineered for high-speed point-to-point applications requiring robust reception of LVDS signals up to 155.5 Mbps. The device accepts small swing, low voltage differential inputs and converts them into TTL-compatible CMOS outputs, minimizing power dissipation compared to traditional devices. The accompanying documentation provides comprehensive technical details on electrical characteristics, operating ratings (including military specifications), performance curves, timing diagrams, and industry compatibility standards, making it essential for engineers designing advanced digital interface systems.

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查询DS90C032供应商

September

90C LV uad ifferential Line eceiver

DS90C032 LVDS Quad CMOS Differential Line Receiver General Description Features

The DS90C032 is quad CMOS differential line receiver >155.5 Mbps (77.7 MHz) switching rates designed for applications requiring ultra low power dissipa- Accepts small swing (350 m V) differential signal levels

tion and high data rates. The device is designed to support Ultra low power dissipation data rates in excess of 155.5 Mbps (77.7 MHz) utilizing Low

ps maximum differential skew (5V, 25˚C)

Voltage Differential Signaling (LVDS) technology.

6.0 ns maximum propagation delay

The DS90C032 accepts low voltage (350 m V) differential

Industrial operating temperature range

input signals and translates them to CMOS (TTL compatible)

Military operating temperature range option

output levels. The receiver supports TRI-STATE® function

Available in surface mount packaging (SOIC) and (LCC)

that may be used to multiplex outputs. The receiver also

Pin compatible with DS26C32A, MB570 (PECL) and

supports OPEN, shorted and terminated (100Ω) input Fail-

41LF (PECL)

safe with the addition of external failsafe biasing. Receiver

Supports OPEN, short and terminated input fail-safe

output will be HIGH for both Failsafe conditions.

Compatible with IEEE 1596.3 SCI LVDS standard

The DS90C032 and companion line driver (DS90C031) pro-

Conforms to ANSI/TIA/EIA-644 LVDS standard

vide new alternative to high power psuedo-ECL devices for

high speed point-to-point interface applications. Available to Standard Microcircuit Drawing (SMD) 5962-95834

Connection Diagrams

Dual-In-Line LCC Package

Order Number DS90C032TM

See NS Package Number M16A

Order Number DS90C032E-QML

See NS Package Number E20A For complete Military Specifications, refer to appropriate SMD or MDS.

TRI-STATE® is registered trademark of National Semiconductor Corporation.

National Semiconductor Corporation DS011945 www.national.com

Page Summary Contents For National DS90C032 Data Sheet

Page 1 查询DS90C032供应商 September 90C LV uad ifferential Line eceiver DS90C032 LVDS Quad CMOS Differential Line Receiver General Description Features The DS90C032 is quad CMOS differential line receiver >155...
Page 2 Functional Diagram and Truth Tables Receiver ENABLES INPUTS OUTPUT EN EN* RIN+ RIN− ROUT All other combinations VID 0.1V of ENABLE inputs VID −0.1V Full Fail-safe OPEN/SHORT or Terminated www.national...
Page 3 Absolute Maximum Ratings (Note 1) Maximum Junction 90C Temperature (DS90C032T) +150˚C If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Maxi...
Page 4 Switching Characteristics VCC +5.0V, TA +25˚C DS90C032T (Notes 3, 4, 5, 9) Symbol Parameter Conditions Min Typ Max Units t PHLD Differential Propagation Delay High to Low CL p F 1.5 3.40 5.0 ns t PLHD...
Page 5 Parameter Measurement Information 90C FIGURE 1. Receiver Propagation Delay and Transition Time Test Circuit FIGURE 2. Receiver Propagation Delay and Transition Time Waveforms CL includes load and test...
Page 6 Parameter Measurement Information (Continued) FIGURE 4. Receiver TRI-STATE Delay Waveforms Typical Application FIGURE 5. Point-to-Point Application fects of coupled noise, or combination of the two. B...
Page 7 Applications Information ±1V). It is only supported with inputs shorted and no (Continued) external common-mode voltage applied. 90C 2. Terminated Input. The DS90C032 requires external fail- 4. Operat...
Page 8 Note 1: “Absolute Maximum Ratings” are those values beyond which the Pin Descriptions safety of the device cannot be guaranteed. They are not meant to imply that the devices should be operated at thes...
Page 9 Typical Performance Characteristics (Continued) 90C Output Low Voltage vs Output Low Voltage vs Power Supply Voltage Ambient Temperature Output Short Circuit Current Output Short Circuit Current vs Po...
Page 10 Typical Performance Characteristics (Continued) Differential Skew vs Differential Skew vs Power Supply Voltage Ambient Temperature Transition Time vs Transition Time vs Power Supply Voltage Ambient Te...
Page 11 Physical Dimensions inches (millimeters) 90C unless otherwise noted 20-Lead Ceramic Leadless Chip Carrier, Type Order Number DS90C032E-QML NS Package Number E20A 16-Lead (0.150" Wide) Molded Smal...
Page 12 Notes LV ua iff er en tia l L in ec ei ve LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPRO...

Manual Details

Brand National
Pages 12
File Size 217.33 KB
Published May 30, 2026
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Frequently Asked Questions

What maximum data rates can the DS90C032 handle?

It is designed to support ultra low power dissipation data rates in excess of 155.5 Mbps.

Does this device comply with common industrial standards?

Yes, it conforms to ANSI/TIA/EIA-644 LVDS standard and supports IEEE 1596.3 SCI LVDS.

How does the receiver behave during a failsafe condition?

If enabled, the fail-safe output will be HIGH for both failsafe OPEN and shorted conditions.

What kind of input signals are required?

The DS90C032 accepts low voltage (350 mV) differential input signals.