25LC040/SN Microchip Integrated Circuit (Other) In Stock

Name: 25LC040/SN
Brand: Microchip
SKU: 25LC040/SN
Availability: InStock

25LC040/SN is a clock IC by Microchip. Key specs include Date Of Intro: 1997-06-01; Clock Frequency-Max (fCLK): 2 MHz. From RFQ price checks to worldwide shipping, FindMyChip supports sourcing.

NOT RECOMMENDEDIntegrated CircuitVerified Jun 2026

Package / Visual Reference

25LC040/SNOther

Quick Facts

Manufacturer: Microchip
Package: Other
Pin Count: 8
Lifecycle: NOT RECOMMENDED
Datasheet: 25LC040/SN Datasheet PDF
Category: Integrated Circuit
Price: From $0.5601(MOQ 1)
Temp Range: ?°C to 70.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of 25LC040/SN?

Date Of Intro: 1997-06-01 for clock IC design checks
SOIC, 8 pins package information for PCB footprint and receiving inspection
up to 70°C operating temperature context for qualification planning
0.150 INCH, PLASTIC, SOIC-8 source description preserved for buyer review
Microchip 25LC040/SN identification for RFQ, traceability, and alternate checks

What is 25LC040/SN used for?

25LC040/SN is suited to clock distribution, timing cleanup, data-converter clocks, and communications hardware where SOIC, 8 pins sourcing details matter. Buyers commonly verify up to 70°C, lifecycle status, and manufacturer traceability before approving it for production or maintenance builds.

What are the specifications of 25LC040/SN?

Pbfree Code	Yes
Manufacturer Package Code	SOIC-8
Factory Lead Time	6Weeks
Date Of Intro	1997-06-01
YTEOL	3
Clock Frequency-Max (fCLK)	2MHz
Data Retention Time-Min	200
Endurance	1000000 Write/Erase Cycles
JESD-30 Code	R-PDSO-G8
JESD-609 Code	e3
Memory Density	4096bit
Memory IC Type	EEPROM
Memory Width	8
Number of Functions	1
Number of Ports	1
Number of Words	512words
Number of Words Code	512
Operating Mode	SYNCHRONOUS
Organization	512X8
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOP8,.23
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Cel)	260
Programming Voltage	5V
Qualification Status	Not Qualified
Serial Bus Type	SPI
Standby Current-Max	0.000005A
Supply Current-Max	0.005mA
Supply Voltage-Max (Vsup)	5.5V
Supply Voltage-Min (Vsup)	2.5V
Supply Voltage-Nom (Vsup)	5V
Surface Mount	YES
Technology	CMOS
Temperature Grade	COMMERCIAL
Terminal Finish	MATTE TIN
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Write Cycle Time-Max (tWC)	5ms
Write Protection	HARDWARE
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.32.00.51
Country of Origin	Thailand

Where can I find the 25LC040/SN datasheet?

25LC040/SN Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for 25LC040/SN?

Compatible alternatives and drop-in replacements for 25LC040/SN:

25LC040-I/SNMicrochip Technology Inc

4K, 512 X 8 , 2.5V SER EE IND

View Part →

25LC040A-I/SNMicrochip Technology Inc

4K, 512 X 8, 2.5V SER EE

View Part →

25LC040A-I/MSMicrochip Technology Inc

EEPROM, 512X8, Serial, CMOS, PDSO8

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

Which design detail should engineers check first for 25LC040/SN?

Start with Date Of Intro: 1997-06-01 because it is the clearest numeric constraint in the available context. Also confirm the 8 pins package details before schematic reuse or AVL approval.

How should the package listing be used when sourcing 25LC040/SN?

25LC040/SN is listed with SOIC, 8 pins, giving buyers a concrete package target for footprint checks, incoming inspection, reel or tube planning, and approved-source matching.

What should procurement confirm before placing an RFQ for 25LC040/SN?

Confirm the exact Microchip MPN, up to 70°C operating context, and datasheet revision. For controlled builds, request date-code traceability and RoHS or lead-free evidence before release.

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.

Aug 6, 2026

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.

Aug 6, 2026

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.

Aug 4, 2026

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.

Aug 4, 2026

Why Buy from FindMyChip

Authorized Source

Verified supply chain with full traceability & inspection

Competitive Pricing

Factory-direct from China distributors, low MOQ

Fast Shipping

DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide

Quality Guaranteed

30-day replacement for defective parts, no questions asked

About Microchip

Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

View all Microchip parts →

More from Microchip

PIC16F18323-E/SN

Small Outline Packages

Integrated Circuit

PIC16F18115-I/MD

Small Outline No-lead

Integrated Circuit

ATTINY816-MZT-VAO

Integrated Circuit

MCP6499T-E/ST

Small Outline Packages

Integrated Circuit

MSC050SDA120BCT

Other

Schottky Diode

MCP4641-103E/ML

Quad Flat No-Lead

Integrated Circuit

AvailabilityIn Stock

Reference Price (USD)

From $0.5601

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$1.5400	$1.54
4+	$1.2320	$4.93
100+	$0.9441	$94.41
300+	$0.8399	$251.97
400+	$0.5697	$227.89
800+	$0.5601	$448.07

pcs

Unit price: $1.5400 · Total: $1.54

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”

Thomas Mueller

Hardware Lead, SensorTech GmbH, Germany

25LC040/SN Microchip Integrated Circuit (Other) In Stock

What are the key features of 25LC040/SN?

What is 25LC040/SN used for?

What are the specifications of 25LC040/SN?

Compliance & Regulatory

Where can I find the 25LC040/SN datasheet?

What are equivalent replacements for 25LC040/SN?

Frequently Asked Questions

Which design detail should engineers check first for 25LC040/SN?

How should the package listing be used when sourcing 25LC040/SN?

What should procurement confirm before placing an RFQ for 25LC040/SN?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Microchip

More from Microchip

You May Also Like