CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Memory

PRODUCT DATASHEET

ChipNobo MPN

NB638GU6QB12I

GLOBAL BRAND CROSS-REFERENCE

Winbond Electronics

IC DRAM 8GBIT PAR 96VFBGA

W638GU6QB12I

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
IC DRAM 8GBIT PAR 96VFBGA

1. PRODUCT POSITIONING

NB638GU6QB12I is a product identity corresponding to the reference product W638GU6QB12I. 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 Winbond Electronics W638GU6QB12I ChipNobo NB638GU6QB12I Match
Mounting Type Surface Mount Surface Mount ✓
Part Status Not For New Designs Not For New Designs ✓
Memory Type Volatile Volatile ✓
Memory Interface Parallel Parallel ✓
Write Cycle Time - Word, Page 15ns 15ns ✓
Access Time 20 ns 20 ns ✓
Memory Format DRAM DRAM ✓
Operating Temperature -40°C ~ 95°C (TC) -40°C ~ 95°C (TC) ✓
Memory Size 8Gbit 8Gbit ✓
Package / Case 96-VFBGA 96-VFBGA ✓
Clock Frequency 800 MHz 800 MHz ✓
Technology SDRAM - DDR3L SDRAM - DDR3L ✓
Voltage - Supply 1.283V ~ 1.45V 1.283V ~ 1.45V ✓
Memory Organization 512M x 16 512M x 16 ✓
Supplier Device Package 96-VFBGA (7.5x13) 96-VFBGA (7.5x13) ✓
3. SUPPLY & LIFECYCLE
ChipNobo Number NB638GU6QB12I
Lifecycle status Not For New Designs
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Memory

PRODUCT DATASHEET

4. APPLICATION AREAS
AI Server GPU Server
AI Accelerator Server Data Center Switch
Laptop Notebook Smartphone
ADAS Camera System Smart Cockpit
5G Base Station Industrial Computer
Semiconductor Equipment Medical Imaging Equipment

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 NB638GU6QB12I.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB638GU6QB12I】 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.