Microchip AT21CS01-STUM10-T
Microchip AT21CS01-STUM10-T

Microchip AT21CS01-STUM10-T

Manufacturer No:

AT21CS01-STUM10-T

Manufacturer:

Microchip

Package:

TO-236-3, SC-59, SOT-23-3

Description:

AT21CS01

User Guide

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IMPORTANT NOTICE

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Step1：Prepare product

Step1：Prepare product

Step2：Desiccant Protection

Step2：Desiccant Protection

Step3：Vacuum Packaging

Step3：Vacuum Packaging

Step4：Individual Package

Step4：Individual Package

Step5：Anti-collision Filling

Step5：Anti-collision Filling

Step6：Packaging Box

Step6：Packaging Box

SHIPPING COST

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2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.

AT21CS01-STUM10-T Information

Microchip AT21CS01-STUM10-T technical specifications, attributes, parameters and parts with similar specifications to Microchip AT21CS01-STUM10-T.

  • Type
  • Parameter
  • Battery Backup
  • No
  • Density
  • 1 Kbit
  • Endurance
  • 1,000,000
  • Max. Clock Freq.
  • 125 kbps
  • Operating Voltage Max (V)
  • 3.6
  • Operating Voltage Min (V)
  • 1.7
  • Page Size (Bytes)
  • 8
  • Write Protect Scheme
  • Software Configurable
  • Write Protected
  • Yes
  • Data Retention
  • 0
  • Type
  • Parameter

Download datasheets and manufacturer documentation for Microchip AT21CS01-STUM10-T.

Application Notes:

Brochures:

Data Sheets:

Errata:

The Microchip AT21CS01 is a 1 Kb Serial EEPROM utilizing the Single-Wire bus. Only two pins are needed to access the device: SI/O and GND. The SI/O signal is a combination data and power line, providing power to the device with a parasitic power scheme. The device is organized as one block of 128 x 8 and is optimized for use in consumer and industrial applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options.

The AT21CS01 features a 256-bit Security register which includes a 64-bit serial number. The device also features manufacturer ID support in which the device responds with a unique value for density and revision information.



  • 128 x 8 (1 Kbit)
  • I²C protocol structure
  • Self-Timed Erase and Write Cycles (5 ms max.)
  • Communication through a single I/O pin
  • Standard Speed (15.4 kbps) and High Speed (125 kbps) Modes
  • Read current 0.08 mA (Typ), 0.3 mA (Max)
  • Write current 0.2 mA (Typ), 0.5 mA (Max)
  • Standby current 0.7 uA (Typ), 2.5 uA (Max)
  • Four independent 256-bit zones
  • More than 1 million erase/write cycles
  • Data retention > 100 years
  • ESD protection > 8000V (HBM)
  • AEC-Q100 Grade 1 Qualified
  • Factory Programming Available
  • Available in 8-pin SOIC (150 mil), 3-pin SOT23, 2-pad XSFN, and 4-ball Thin CSP packages.

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    Shipped from：HK Warehouse
    Expected Shipping：Sun, Apr 12 - Mon, Apr 13, 2026
    Date Code：Within 2 Years

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