PCF8583 IC
- I2C-bus interface operating supply voltage: 2.5 V to 6 V
- Clock operating supply voltage 1.0 V to 6.0 V at 0 Cto+70C
- 240 8-bit low-voltage RAM
- Data retention voltage: 1.0 V to 6.0 V
- Operating current (at fSCL = 0 Hz): max 50 μA
- Clock function with four year calendar
- Universal timer with alarm and overflow indication
- 24 hour or 12 hour format
- 32.768 kHz or 50 Hz time base
- Serial input and output bus (I2C-bus)
- Automatic word address incrementing
- Programmable alarm, timer, and interrupt function
- Slave addresses: A1h or A3h for reading, A0h or A2h for writing
PCF8582E-2 IC DIP-8
- Low power CMOS
- Non-volatile storage of 2 kbits organized as 256 × 8-bitÂ
- Â Single supply with full operation down to 2.5 VÂ
- Â On-chip voltage multiplierÂ
- Â Serial input/output I2C-busÂ
- Write operations:Â
- Â Â Â Â Â Â Â Â Â Â Â Â Â -Â byte write modeÂ
- Â Read operations:Â
- Â Internal timer for writing (no external components)Â
- Â Internal power-on resetÂ
- Â 0 kHz to 100 kHz clock frequency
- High reliability by using a redundant storage code
