AT21CS11 Overview
AT21CS01/AT21CS11 Single-Wire, I/O Powered 1-Kbit (128 x 8) Serial EEPROM with a Unique, Factory-Programmed 64-Bit Serial Number.
AT21CS11 Key Features
- Low‑Voltage Operation
- AT21CS01 is self-powered via the 1.7V to 3.6V pull‑up voltage on the SI/O line
- AT21CS11 is self-powered via the 2.7V to 4.5V pull‑up voltage on the SI/O line
- Internally Organized as 128 x 8 (1 Kbit)
- Industrial Temperature Range: -40°C to +85°C
- Single-Wire Serial Interface with I2C Protocol Structure
- Device munication is achieved through a single I/O pin
- Standard Speed and High-Speed Mode Options
- 15.4 kbps maximum bit rate in Standard Speed mode (AT21CS01 only)
- 125 kbps maximum bit rate in High-Speed mode (AT21CS01 and AT21CS11)