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See Technical Specifications

25LC640A-I/SN

Operating voltage range of 2.5 to 5.5V

Manufacturer:

Microchip
Mfr.Part #:

25LC640A-I/SN
Datasheet:

25LC640A-I/SN Datasheet (PDF)
Density (Organization):

64 Kbit
Operating Voltage Min. (V):

2.5
Oper Voltage Max (V):

5.5
Max. Clock Freq.:

10 MHz
EDA/CAD Models:

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25LC640A-I/SN General Description

The 25LC640A-I/SN is a serial EEPROM memory integrated circuit manufactured by Microchip Technology. It has a capacity of 64 kilobits, organized into 8,192 bytes of memory. The device operates on a wide voltage range of 1.8V to 5.5V and includes a high-speed SPI interface for communication with microcontrollers and other devices.The 25LC640A-I/SN offers a flexible write protection feature that allows for individual memory blocks to be locked to prevent accidental or unauthorized writes. It also features a write protect pin for hardware-based protection.This EEPROM IC has a low power consumption, making it suitable for battery-powered devices or applications that require low energy consumption. The 25LC640A-I/SN is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it easy to integrate into various electronic systems.

Key Features

64K-bit serial EEPROM

SPI communication interface

Low power consumption

Wide operating voltage range

Deep power-down mode for further power savings

Operating temperature range of -40°C to +85°C

Small form factor in an 8-pin SOIC package

Application

The 25LC640A-I/SN is commonly used in a range of applications, including industrial control systems, automotive diagnostics, consumer electronics, medical devices, and telecommunications equipment

It is ideal for storing configuration data, firmware updates, and user settings in microcontroller-based systems

Specifications

Density (Organization)	64 Kbit	Operating Voltage Min. (V)	2.5
Oper Voltage Max (V)	5.5	Max. Clock Freq.	10 MHz
Page Size (bytes)	32	Write Protected	True
Write Protect Scheme	Quarter, Half, Whole Array	Endurance	1,000,000
Data Retention (Years)	0	Bus Modes	SPI
Battery Backup	False

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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Ratings and Reviews

E**h 09/18/2023

Ordered 14.06.2019g. Two chips an16538a. At the time of order, the price of one chip an16538a is 66 rubles. For expedited delivery, used paid delivery. In voronezh the chips were delivered exactly a month-13.07.3019. Chips sent not in original packaging. Two an16538a, the tape is glued to some flat plastic, and all this is wrapped in bubble wrap. Chips are not used (unsoldered). Installed chips in the plasma tv lg 42pa4510-za-100% working. I advise the chip and the seller and, i put him 5 stars.

N**h 04/16/2023

Thank you l7812 received. Seller recommend, honest seller!!!!!!!!!!!!

B**n 09/22/2020

Works super there are 3 outputs at 3.3 volts and 3 at 5.2 volts.Toggle switch on and off.The seller is super and the goods are super advice to everyone!I will take another 10 pieces for wireless crafts)