CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Drivers, Receivers, Transceivers

PRODUCT DATASHEET

ChipNobo MPN

NB89C21TMX

GLOBAL BRAND CROSS-REFERENCE

Texas Instruments

IC TRANSCEIVER FULL 1/1 8SOIC

DS89C21TMX

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
IC TRANSCEIVER FULL 1/1 8SOIC

1. PRODUCT POSITIONING

NB89C21TMX is a product identity corresponding to the reference product DS89C21TMX. This document presents the available product specifications, mechanical/package information and compatibility summary for engineering and procurement reference.

This document is a product information. Compatibility conclusions should be read together with the applicable Cross-Reference Identification (CID) rule, package/pin verification and engineering review record.

2. TECHNICAL SPECIFICATION COMPARISON (core parameters)
Parameter Texas Instruments DS89C21TMX ChipNobo NB89C21TMX Match
Part Status Active Active ✓
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V ✓
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C ✓
Mounting Type Surface Mount Surface Mount ✓
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) ✓
Supplier Device Package 8-SOIC 8-SOIC ✓
Type Transceiver Transceiver ✓
Duplex Full Full ✓
Protocol RS422, RS485 RS422, RS485 ✓
Number of Drivers/Receivers 1/1 1/1 ✓
Receiver Hysteresis 50 mV 50 mV ✓
Data Rate 20Mbps 20Mbps ✓
RoHS Status RoHS non-compliant RoHS non-compliant ✓
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) ✓
3. SUPPLY & LIFECYCLE
ChipNobo Number NB89C21TMX
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Drivers, Receivers, Transceivers

PRODUCT DATASHEET

4. APPLICATION AREAS
Vehicle Communication Network (CAN/CAN FD/LIN) ADAS Camera System
Smart Cockpit AI Server
GPU Server Data Center Switch
5G Base Station Network Switch
Industrial Ethernet PLC Controller
Industrial Robot Optical Module

5. ENGINEERING & COMMERCIAL NOTES

  • The ChipNobo MPN is the public product identity used by ChipNobo for this replacement reference.
  • The original manufacturer and original MPN are retained as reference identity information.
  • Product PDF data are intended for engineering, procurement and supply-continuity reference.
  • Current price, MOQ, lead time, available supply source and regional availability should be confirmed through RFQ.
  • For customer-specific qualification, PCB footprint approval, reliability requirements or design-in approval, the customer should perform the applicable validation process.

CHIPNOBO REPLACEMENT · Semiconductor Replacement Engineering & Supply Continuity Partner

Document purpose: Product Information / Replacement Reference · Generated from the product data supplied for NB89C21TMX.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB89C21TMX】 Revision: 1.0 Status: Released

The information provided by ChipNobo is intended solely for engineering evaluation, product selection, procurement, and supply continuity reference purposes. Product specifications, lifecycle status, availability, and other information are subject to change without notice. Customers should always verify relevant information against the latest official documentation published by the respective manufacturers.

Cross-reference and replacement recommendations are provided for engineering reference purposes only. They do not constitute a guarantee of pin-to-pin compatibility, interchangeability, or suitability for any particular application. Customers are responsible for conducting all necessary engineering reviews, testing, and qualification prior to product selection and use.

Manufacturer names, trademarks, and part numbers are referenced solely for product identification purposes. Their use does not imply any affiliation with, endorsement by, or authorization from the respective manufacturers, unless expressly stated otherwise.

To the maximum extent permitted by applicable law, ChipNobo makes no warranties, express or implied, regarding the completeness, accuracy, or suitability of the information provided and shall not be liable for any loss or damage arising from its use or reliance, except as otherwise expressly agreed in writing and subject to applicable law.