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25LC640T-I/SN - Microchip

Description: 64K SPI Bus Serial EEPROM

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25LC640T-I/SN - Microchip PCB footprint - Other - Other - SOIC127P600X175-8N-ren1
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25LC640T-I/SN Details

  • Manufacturer Part Number:

    25LC640T-I/SN

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SOIC

  • Package Description:

    3.90 MM, PLASTIC, SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    SOIC-8

  • Country Of Origin:

    Taiwan, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Factory Lead Time:

    6 Weeks

  • Date Of Intro:

    1997-09-01

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    3

  • Clock Frequency-Max (fCLK):

    2 MHz

  • Data Retention Time-Min:

    200

  • Endurance:

    1000000 Write/Erase Cycles

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Memory Density:

    65536 bit

  • Memory IC Type:

    EEPROM

  • Memory Width:

    8

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Ports:

    1

  • Number of Terminals:

    8

  • Number of Words:

    8192 words

  • Number of Words Code:

    8000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    8KX8

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.23

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Parallel/Serial:

    SERIAL

  • Peak Reflow Temperature (Cel):

    260

  • Programming Voltage:

    5 V

  • Qualification Status:

    Not Qualified

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    1.75 mm

  • Serial Bus Type:

    SPI

  • Standby Current-Max:

    0.000005 A

  • Supply Current-Max:

    0.005 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

  • Write Cycle Time-Max (tWC):

    5 ms

  • Write Protection:

    HARDWARE

25LC640T-I/SN Frequently Asked Questions (FAQs)

  • The 25LC640T-I/SN has a minimum of 1 million write cycles, but the actual number of write cycles may vary depending on the usage and operating conditions.
  • To ensure data integrity, it is recommended to use the WP (Write Protect) pin to prevent accidental writes during power-down or power-up. Additionally, using a voltage supervisor or a power-on reset circuit can help prevent data corruption.
  • The recommended operating voltage range for the 25LC640T-I/SN is 2.5V to 5.5V. Operating the device outside of this range may affect its performance and reliability.
  • The HOLD pin should be tied to VCC or left floating during normal operation. Tying the HOLD pin to GND will put the device in a low-power standby mode, and it should only be done when the device is not being accessed.
  • The WP pin is used to prevent accidental writes to the device. When the WP pin is tied to GND, the device is in a write-protected state, and any attempts to write to the device will be ignored.

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25LC640T-I/SN Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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