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25LC640A-I/P - Microchip

Description: Microchip 25LC640A-I/P Serial EEPROM Memory, 64kbit, 100ns, 2.5 → 5.5 V 8-Pin PDIP

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25LC640A-I/P - Microchip PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8-Lead Plastic Dual In-Line (P) - 300 mil Body [PDIP]
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3D Models
25LC640A-I/P - Microchip  - 3D model - Dual-In-Line Packages - 8-Lead Plastic Dual In-Line (P) - 300 mil Body [PDIP]
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25LC640A-I/P Details

  • Manufacturer Part Number:

    25LC640A-I/P

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    DIP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    PDIP-8

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • Additional Feature:

    OPERATES WITH 2.5VMIN @ 5MHZ

  • Clock Frequency-Max (fCLK):

    10 MHz

  • Data Retention Time-Min:

    200

  • Endurance:

    1000000 Write/Erase Cycles

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.271 mm

  • Memory Density:

    65536 bit

  • Memory IC Type:

    EEPROM

  • Memory Width:

    8

  • 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

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Parallel/Serial:

    SERIAL

  • Programming Voltage:

    5 V

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.334 mm

  • Serial Bus Type:

    SPI

  • Standby Current-Max:

    0.000001 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:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

  • Write Cycle Time-Max (tWC):

    5 ms

  • Write Protection:

    HARDWARE/SOFTWARE

25LC640A-I/P Frequently Asked Questions (FAQs)

  • The 25LC640A-I/P has a minimum of 1 million write cycles, but the actual number of write cycles may vary depending on the usage and operating conditions.
  • The HOLD pin should be pulled high during power-up and power-down to prevent any unwanted writes to the device. It's recommended to use an external pull-up resistor to ensure the pin is held high during these transitions.
  • The recommended clock frequency for the 25LC640A-I/P is up to 3.4 MHz. However, the device can operate at frequencies up to 5 MHz, but with reduced reliability and performance.
  • Yes, the 25LC640A-I/P can be used in a multi-master SPI bus configuration, but it's essential to ensure that only one master is active at a time to prevent data corruption and bus conflicts.
  • The WP pin should be tied to VCC or left floating during normal operation to allow write operations. Tying the WP pin to GND will put the device in a write-protected state.

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25LC640A-I/P 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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