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25LC640, 25LC640I/P, 25LC640-I/P

Table of contents:
Info of 25LC640
Info of 25LC640I/P
Info of 25LC640-I/P

25LC640, 25LC640I/P, 25LC640-I/P Selling Leads, Datasheet

MFG:Microchip Technology Category:Integrated Circuits (ICs) Package Cooled:06+ D/C:New

25LC640, 25LC640I/P, 25LC640-I/P Datasheet download

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Part Number: 25LC640-I/P

Category: Integrated Circuits (ICs)

MFG: Microchip Technology

Package Cooled: 06+

D/C: New

Description: IC SERIAL EEPROM SPI 8KX8 8DIP

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25LC640 General Description

The Microchip Technology Inc. 25AA640/25LC640/25C640 (25xx640 ) is a 64K bit serial Electrically Eras-able PROM. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus.The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a chip select (CS ) input.

Communication to the device can be paused via the hold pin (HOLD ). While the device is paused, transi-tions on its inputs will be ignored, with the exception of chip select, allowing the host to service higher priority interrupts.

25LC640 Maximum Ratings

Vcc...................................................................................7.0V
All inputs and outputs w.r.t. Vss..................-0.6V to Vcc+1.0V
Storage temperature.......................................-65 to 150
Ambient temperature under bias.....................-65 to 125
Soldering temperature of leads (10 seconds).............+300
ESD protection on all pins.................................................4kV

25LC640 Features

* Low power CMOS technology
   - Write current: 3 mA typical
   - Read current: 500 m A typical
   - Standby current: 500 nA typical
* 8192 x 8 bit organization
* 32 byte page
* Write cycle time: 5ms max.
* Self-timed ERASE and WRITE cycles
* Block write protection
   - Protect none, 1/4, 1/2, or all of array
* Built-in write protection
   - Power on/off data protection circuitry
   - Write enable latch
   - Write protect pin
* Sequential read
* High reliability
   - Endurance: 1M cycles (guaranteed)
   - Data retention: > 200 years
   - ESD protection: > 4000 V
* 8-pin PDIP, SOIC, and TSSOP packages
* Temperature ranges supported:
   - Commercial: (C)     0 C to +70 C
   - Industrial: (I)          -40 C to +85 C
   - Automotive: (E)      (25C640) -40 C to +125 C

25LC640 Connection Diagram

25LC640-I/P Parameters

Technical/Catalog Information	25LC640-I/P
Vendor	Microchip Technology
Category	Integrated Circuits (ICs)
Memory Type	EEPROM
Memory Size	64K (8K x 8)
Speed	2MHz
Interface	SPI, 3-Wire Serial
Package / Case	8-DIP (300 mil)
Packaging	Tube
Voltage - Supply	2.5 V ~ 5.5 V
Operating Temperature	-40°C ~ 85°C
Format - Memory	EEPROMs - Serial
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	25LC640 I P 25LC640IP

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