NB43LD16640A-3BL

GLOBAL BRAND CROSS-REFERENCE

ISSI, Integrated Silicon Solution Inc

IC DRAM 1GBIT PARALLEL 134TFBGA

IS43LD16640A-3BL

High-reliability design
Long-term stable supply
RoHS compliant

IC DRAM 1GBIT PARALLEL 134TFBGA

1. PRODUCT POSITIONING

NB43LD16640A-3BL is a product identity corresponding to the reference product IS43LD16640A-3BL. 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	ISSI, Integrated Silicon Solution Inc IS43LD16640A-3BL	ChipNobo NB43LD16640A-3BL	Match
Part Status	Active	Active	✓
Mounting Type	Surface Mount	Surface Mount	✓
Programmable	Not Verified	Not Verified	✓
Memory Type	Volatile	Volatile	✓
Memory Interface	Parallel	Parallel	✓
Operating Temperature	0°C ~ 85°C (TA)	0°C ~ 85°C (TA)	✓
Write Cycle Time - Word, Page	15ns	15ns	✓
Memory Size	1Gbit	1Gbit	✓
Memory Format	DRAM	DRAM	✓
Clock Frequency	333 MHz	333 MHz	✓
Memory Organization	64M x 16	64M x 16	✓
Technology	SDRAM - Mobile LPDDR2	SDRAM - Mobile LPDDR2	✓
Package / Case	134-TFBGA	134-TFBGA	✓
Voltage - Supply	1.14V ~ 1.95V	1.14V ~ 1.95V	✓
Supplier Device Package	134-TFBGA (10x11.5)	134-TFBGA (10x11.5)	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	✓

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Memory

PRODUCT DATASHEET

3. SUPPLY & LIFECYCLE
ChipNobo Number	NB43LD16640A-3BL
Lifecycle status	Active
NRND	No
EOL	No
PCN monitor	No
Last buy date	No Deadline
Alternate availability	Sufficient

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.

Document purpose: Product Information / Replacement Reference · Generated from the product data supplied for NB43LD16640A-3BL.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB43LD16640A-3BL】 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.