93C57 2Kbit Serial Microwire EEPROM
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Prices updated: 12 Oct 2026
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About this product
The 93C57 is a 2 Kbit serial Microwire EEPROM that can be organized as 128 x 16 or 256 x 8 bits. It stores non-volatile data such as settings, identification codes or small lookup tables in microcontroller projects. Its simple serial interface makes it a common choice for hobby and educational circuits.
Specifications
- Capacity
- 2 Kbit
- Organization
- 128 x 16 or 256 x 8
- Interface
- Serial Microwire
Frequently asked questions
How do I select the 16-bit or 8-bit organization?
The ORG pin selects the data organization: 128 x 16 or 256 x 8. Check the datasheet for the exact logic level required on ORG for each mode.
How is it wired to a microcontroller?
It uses a 3-wire interface: CS, CLK, DI and DO, plus power and ground. Use the datasheet to confirm the supply voltage range for your version before connecting it.
