25LC640AT-I/SN Part Information

Details for 25LC640AT-I/SN by Microchip Technology

25LC640A

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Future Electronics

25LC640ATISN

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33000.4650
66000.3550
Stock Information
Available in stock: 13200
Additional stock arrives in: 0 weeks
Details
Manufacturer: MICROCHIP

Part Description

The Microchip 25LC640A is a 64 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 8192 x 8-bit and is optimized for use in consumer electronics, industrial, medical, and automotive applications where reliable and dependable nonvolatile memory storage is essential. Software write protection allows the user to protect ¼, ½, or the entire memory array. A hardware write protect pin is also provided, which additionally protects against inadvertent writes to the status register. The EEPROM is available in a variety of space-saving packaging options.

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Part Features

  • 8192 x 8-bit (64 Kbit)
  • Serial Peripheral Interface (SPI) Compatible
  • Supports SPI modes 0 and 3
  • Up to 10 MHz clock frequency
  • Self-Timed Erase and Write Cycles (5 ms max.)
  • Low Power Consumption
  • Read current: 5 mA (Max) at 10 MHz
  • Write current: 5 mA (Max) at 10 MHz
  • Standby current: 5 μA (Max) at 5.5 V
  • Block Write Protection: Protect 1/4, 1/2 or Entire Array
  • More than 1 million erase/write cycles
  • Data retention > 200 years
  • Temperature Ranges Available
  • Industrial (I): -40°C to 85°C
  • Extended (E): -40°C to +125°C
  • Extended (H) 2 : -40°C to +150°C
  • Extended (M) 2 : -55°C to +125°C
  • Automotive AECQ-100 Qualified 1
  • Factory Programming Available
  • Available in standard packages including 8-lead PDIP and SOIC, and advanced packages including 8-lead MSOP, 8-lead TSSOP and 8-lead 2x3 TDFN 1 Contact Microchip for automotive grade products 2 Refer to extended temperature data sheets for product specification

Part Specifications

Bus Modes SPI
Density (Organization) 64 Kbit
Endurance 1,000,000
Max. Clock Freq. 10 MHz
Max. Stand By Current (µA) 5
Memory Organization 1
Operating Voltage Min. (V) 2.5
Oper Voltage Max (V) 5.5
Page Size (bytes) 32
ProgMemoryKB 8.00
Write Current 5
Write Protected True
Write Speed (ms) 5
ESD 4000V
Memory Org x8
Memory Size 64K
Memory Size Num 64000
Read Current 5
Write Protect Scheme Quarter, Half, Whole Array
Automotive Qualified True
Temperature Range -40C to +85C

Alternative Part Descriptions

  • EEPROM, 64KBIT, 10MHZ, SPI, SOIC-8; Memory Size:64Kbit; EEPROM Memory Configuration:8K x 8bit; Memory Interface Type:Serial SPI; Clock Frequency:10MHz; Memory Case Style:SOIC; No. of Pins:8Pins; Supply Voltage Min:2.5V RoHS Compliant: Yes | Newark Electronics
  • 25LC640A Series 64 Kbit (8K x 8) 5.5 V SMT SPI Bus Serial EEPROM - SOIC-8 | Future Electronics EMEA
  • EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin SOIC N T/R | Avnet America
  • 64K, 8K X 8, 2.5V SER EE IND8 SOIC 3.90mm(.150in) T/R | Allied Electronics & Automation
  • EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin SOIC N T/R | Avnet Europe
  • EEPROM Serial-SPI 64K-bit 8K x 8 3.3V/5V 8-Pin SOIC N T/R | Avnet Asia
  • EEPROM [Microchip] 25LC640AT-I/SN EEPROM | Distrelec
  • 25LC640A Series 64 Kbit (8K x 8) 5.5 V SMT SPI Bus Serial EEPROM - SOIC-8 | Future Electronics

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