AT28C64X-20SC The Microchip Technology AT28C64X-20SC is a 64Kbit parallel EEPROM memory chip. It features a 200 ns access time and a 1ms write cycle time.
Mfr Part #:

AT28C64X-20SC

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology AT28C64X-20SC is a 64Kbit parallel EEPROM memory chip. It features a 200 ns access time and a 1ms write cycle time.
✓ Total Stock: 40,178 pcs
$ Price Range: $1.28

AT28C64X-20SC Available from 1 distributor

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✓ Non-Authorised
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AT28C64X-20SC Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Access Time
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
Operating Voltage
Supplier Device Package
Technology
Voltage
Write Cycle Time

AT28C64X-20SC Description

Short technical summary and product information.

The AT28C64X-20SC from Microchip Technology is a non-volatile, electrically erasable and programmable read-only memory (EEPROM) with a capacity of 64Kbit. It is organized as 8K words by 8 bits and utilizes a parallel interface for data transfer.

 

This EEPROM offers a fast read access time of 120 ns and a byte write time of 200 µs or 1 ms. It operates within a supply voltage range of 4.5V to 5.5V and features low power consumption with 30 mA active current and 100 µA CMOS standby current. The device is designed for high reliability with an endurance of 10^4 or 10^5 cycles and data retention of 10 years.

 

Packaged in a 28-SOIC surface-mount package, the AT28C64X-20SC is suitable for automated PCB assembly. It operates within a commercial temperature range of 0°C to 70°C.

 

Commonly used for firmware storage, configuration memory, or parameter storage in industrial controls, telecommunications equipment, and embedded systems, this EEPROM is ideal for applications requiring secure, non-volatile data storage that must survive power cycles.

AT28C64X-20SC Quick Information

Product Type: EEPROM
Canonical Name: AT28C64X-20SC EEPROM
Subcategory: Parallel EEPROM

AT28C64X-20SC Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT28C64X-20SC Estimated Pricing

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1+ $1.28 $1.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

AT28C64X-20SC Features

  • 64Kbit parallel EEPROM memory.
  • Fast 200 ns access time.
  • 1ms byte write cycle time.
  • Operates from 4.5V to 5.5V.
  • Surface mount 28-SOIC package.

AT28C64X-20SC Applications

  • Firmware storage.
  • Configuration memory.
  • Parameter storage.
  • Industrial controls.
  • Embedded systems.

AT28C64X-20SC FAQs

7 frequently asked questions generated from this part’s specifications.
What is the memory size and organization of the AT28C64X-20SC?

The AT28C64X-20SC is a 64Kbit EEPROM organized as 8K x 8.

What is the access time of the AT28C64X-20SC?

The maximum access time is 120 ns from the datasheet.

What is the supply voltage range for the AT28C64X-20SC?

The supply voltage range is 4.5V to 5.5V.

What is the operating temperature range of the AT28C64X-20SC?

The operating temperature range is 0°C to 70°C.

What package is the AT28C64X-20SC available in?

It is available in a 28-SOIC surface mount package with 0.295 inch body width and 7.50 mm pitch.

What is the write cycle time for the AT28C64X-20SC?

The maximum byte write time is 1 ms, and the word/page write time is also 1 ms.

What is the data retention of the AT28C64X-20SC?

Data retention is rated at 10 years.

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