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AT24C256C-XHL-B - Microchip

Description: Atmel AT24C256C-XHL-B EEPROM Memory, 256kbit, 600ns, 1.7 → 5.5 V 8-Pin TSSOP

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AT24C256C-XHL-B - Microchip PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead Plastic Thin Shrink Small Outline (ST) - 4.4 mm Body [TSSOP]
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3D Models
AT24C256C-XHL-B - Microchip  - 3D model - Small Outline Packages - 8-Lead Plastic Thin Shrink Small Outline (ST) - 4.4 mm Body [TSSOP]
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AT24C256C-XHL-B Details

  • Manufacturer Part Number:

    AT24C256C-XHL-B

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM, GREEN, PLASTIC, MO-153AA, TSSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    TSSOP-8

  • Country Of Origin:

    Mainland China, Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    14

  • Clock Frequency-Max (fCLK):

    1 MHz

  • Data Retention Time-Min:

    40

  • Endurance:

    1000000 Write/Erase Cycles

  • I2C Control Byte:

    1010DDDR

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.4 mm

  • Memory Density:

    262144 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:

    32768 words

  • Number of Words Code:

    32000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    32KX8

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Parallel/Serial:

    SERIAL

  • Peak Reflow Temperature (Cel):

    260

  • Programming Voltage:

    2.5 V

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Serial Bus Type:

    I2C

  • Standby Current-Max:

    0.000006 A

  • Supply Current-Max:

    0.003 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    1.7 V

  • Supply Voltage-Nom (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    40

  • Width:

    3 mm

  • Write Cycle Time-Max (tWC):

    5 ms

  • Write Protection:

    HARDWARE/SOFTWARE

AT24C256C-XHL-B Frequently Asked Questions (FAQs)

  • The AT24C256C-XHL-B has a minimum of 1 million write cycles, but this can vary depending on the operating conditions and usage patterns.
  • To ensure data integrity, use the AT24C256C-XHL-B's built-in power-on reset (POR) and brown-out detection (BOD) features. Additionally, implement a robust power-down sequence and consider using a voltage supervisor to monitor the power supply.
  • The recommended operating voltage range for the AT24C256C-XHL-B is 1.7V to 5.5V. Operating outside this range may affect the device's performance and reliability.
  • To avoid data corruption, use the AT24C256C-XHL-B's page write buffer mechanism. Ensure that the page write buffer is fully written before initiating a read operation. Implement a robust protocol to handle simultaneous read and write operations, and consider using a semaphore or mutex to synchronize access to the EEPROM.
  • The AT24C256C-XHL-B is rated for operation up to 85°C. To ensure reliable operation in high-temperature environments, follow proper PCB design and thermal management practices, such as using thermal vias, heat sinks, and thermal interfaces. Also, consider using a thermally-enhanced package or a device with a higher temperature rating if necessary.

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AT24C256C-XHL-B 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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