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R1EX24256BTAS0I#S0 - Renesas Electronics

Description: R1EX24xxx series are two-wire serial interface EEPROM (Electrically Erasable and Programmable ROM). They realize High-Speed, low power consumption and a high level of reliability by employing advanced MONOS memory technology and CMOS process and low voltage circuitry technology. They also have a 64-byte page programming function to make their write operation faster.

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R1EX24256BTAS0I#S0 - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 8-pin plastic TSSOP_1
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R1EX24256BTAS0I#S0 Details

  • Manufacturer Part Number:

    R1EX24256BTAS0I#S0

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Pin Count:

    8

  • Manufacturer Package Code:

    PTSP0008JC

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Clock Frequency-Max (fCLK):

    0.4 MHz

  • Data Retention Time-Min:

    100

  • Endurance:

    1000000 Write/Erase Cycles

  • I2C Control Byte:

    1010DDDR

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.4 mm

  • Memory Density:

    262144 bit

  • Memory IC Type:

    EEPROM

  • Memory Width:

    8

  • Number of Functions:

    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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Serial Bus Type:

    I2C

  • Standby Current-Max:

    0.000002 A

  • Supply Current-Max:

    0.003 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    1.8 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

  • Write Cycle Time-Max (tWC):

    5 ms

  • Write Protection:

    HARDWARE

R1EX24256BTAS0I#S0 Frequently Asked Questions (FAQs)

  • Renesas recommends a thermal pad on the bottom of the package, connected to a solid copper plane on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
  • Use a robust communication protocol, such as SPI or I2C, and ensure proper signal termination, clock synchronization, and data validation to prevent errors. Also, follow the recommended pin connection and signal routing guidelines.
  • The POR threshold is typically around 1.5V, and the BOR threshold is around 2.2V. However, these values may vary depending on the specific device and application. Consult Renesas support or application notes for more information.
  • Implement robust error handling mechanisms, such as try-catch blocks, error codes, and watchdog timers. Also, use debugging tools, such as printf() or serial console output, to monitor and diagnose issues during development.
  • The recommended operating conditions include a temperature range of -40°C to 125°C, a supply voltage of 2.7V to 3.6V, and a clock frequency of up to 32 MHz. However, consult the datasheet and application notes for specific requirements and limitations.

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R1EX24256BTAS0I#S0 Overview

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