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93AA66A-I/ST - Microchip

Description: EEPROM Memory IC 4Kbit Microwire 2 MHz 8-TSSOP

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93AA66A-I/ST - 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
93AA66A-I/ST - Microchip  - 3D model - Small Outline Packages - 8-Lead Plastic Thin Shrink Small Outline (ST) - 4.4 mm Body [TSSOP]
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93AA66A-I/ST Details

  • Manufacturer Part Number:

    93AA66A-I/ST

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Manufacturer Package Code:

    TSSOP-8

  • Country Of Origin:

    Malaysia, Philippines, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.51

  • Factory Lead Time:

    23 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    8

  • Clock Frequency-Max (fCLK):

    1 MHz

  • Data Retention Time-Min:

    200

  • Endurance:

    1000000 Write/Erase Cycles

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.4 mm

  • Memory Density:

    4096 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:

    512 words

  • Number of Words Code:

    512

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    512X8

  • Output Characteristics:

    TOTEM POLE

  • 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

  • Ready/Busy:

    YES

  • Reverse Pinout:

    NO

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    1.2 mm

  • Serial Bus Type:

    MICROWIRE

  • Standby Current-Max:

    0.000001 A

  • Supply Current-Max:

    0.002 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    1.8 V

  • Supply Voltage-Nom (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Toggle Bit:

    YES

  • Width:

    3 mm

  • Write Cycle Time-Max (tWC):

    6 ms

  • Write Protection:

    SOFTWARE

93AA66A-I/ST Frequently Asked Questions (FAQs)

  • The maximum clock frequency for the 93AA66A-I/ST is 1 MHz, as specified in the datasheet. However, it's recommended to operate the device at a frequency below 500 kHz to ensure reliable operation and minimize power consumption.
  • To implement a reliable write cycle, ensure that the device is properly powered, the clock signal is stable, and the CS (Chip Select) pin is asserted low. Also, follow the recommended write cycle timing diagram in the datasheet, and use a valid write enable (WE) signal to initiate the write operation.
  • The WP pin is used to enable or disable write protection for the entire device or a specific block of memory. When WP is tied low, the device or block is write-protected, and when WP is tied high, the device or block is writable. This feature helps prevent accidental writes or data corruption.
  • The HOLD pin is used to pause the current operation and put the device in a low-power state. During a write operation, the HOLD pin should be kept high to allow the write cycle to complete. If the HOLD pin is asserted low during a write operation, the device will pause the write cycle and enter a low-power state, which may result in data corruption.
  • The recommended power-up sequence is to apply power to the VCC pin first, followed by the VSS pin. This ensures that the internal voltage regulator and other internal circuits are properly initialized. Additionally, ensure that the clock signal is stable and the CS pin is de-asserted (high) during power-up to prevent any accidental writes or data corruption.

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93AA66A-I/ST 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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