CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

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PRODUCT DATASHEET

ChipNobo MPN

NB4803SAUA0 PURE SN

GLOBAL BRAND CROSS-REFERENCE

Epson

IC RTC CLK/CALENDAR SER 14SOP

RX-4803SAUA0 PURE SN

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
IC RTC CLK/CALENDAR SER 14SOP

1. PRODUCT POSITIONING

NB4803SAUA0 PURE SN is a product identity corresponding to the reference product RX-4803SAUA0 PURE SN. 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 Epson RX-4803SAUA0 PURE SN ChipNobo NB4803SAUA0 PURE SN Match
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C ✓
Part Status Active Active ✓
Mounting Type Surface Mount Surface Mount ✓
Programmable Not Verified Not Verified ✓
Type Clock/Calendar Clock/Calendar ✓
Date Format YY-MM-DD-dd YY-MM-DD-dd ✓
Interface 4-Wire Serial 4-Wire Serial ✓
Features Alarm Alarm ✓
Package / Case 14-SOIC (0.197", 5.00mm Width) 14-SOIC (0.197", 5.00mm Width) ✓
Supplier Device Package 14-SOP 14-SOP ✓
Time Format HH:MM:SS HH:MM:SS ✓
Voltage - Supply 1.6V ~ 5.5V 1.6V ~ 5.5V ✓
Current - Timekeeping (Max) 2.1µA ~ 3.4µA @ 3V ~ 5V 2.1µA ~ 3.4µA @ 3V ~ 5V ✓
Voltage - Supply, Battery 1.6V ~ 5.5V 1.6V ~ 5.5V ✓
RoHS Status ROHS3 Compliant ROHS3 Compliant ✓
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) ✓
3. SUPPLY & LIFECYCLE
ChipNobo Number NB4803SAUA0 PURE SN
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

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PRODUCT DATASHEET

4. APPLICATION AREAS
AI Server GPU Server
Data Center Switch Vehicle Communication Network (CAN/CAN FD/LIN)
Smart Cockpit Industrial Computer
PLC Controller Semiconductor Equipment
5G Base Station IoT Gateway
Medical Monitoring Equipment Smart Home Gateway

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 NB4803SAUA0 PURE SN.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB4803SAUA0 PURE SN】 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.