AT21CS01 Overview
Key Specifications
Pins: 3
Max Voltage (typical range): 3.6 V
Min Voltage (typical range): 1.7 V
Height: 1.12 mm
Description
The Atmel® AT21CS01 provides 1,024 bits of Serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) organized as 128 words of 8 bits each. The device’s software addressing scheme allows up to eight devices to share a common Single-Wire bus.
Key Features
- Low voltage operation ̶ Device is self-powered via 1.7V to 3.6V pull-up voltage on the SI/O line
- Internally organized as 128 words of 8 bits each (1-Kbit)
- Single-Wire serial interface with I2C protocol structure ̶ Device communication is achieved through a single I/O pin
- Standard Speed and High Speed Mode options ̶ 15.4kbps maximum bit rate in Standard Speed Mode ̶ 125kbps maximum bit rate in High Speed Mode
- 8-byte Page Write or single Byte Writes allowed
