MCP79410 I2C Real-Time Clock/Calendar with SRAM
I2C real-time clock/calendar (RTCC) with battery backup input and SRAM, driven by an external 32.768 kHz crystal. Pin-compatible family members MCP79411 and MCP79412.
Aliase:MCP79410-I/SN, MCP79411, MCP79412
SOIC-8 Top View
8 Pins
Pinout Table8
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | X1 | Analog | Quartz crystal input / external oscillator input |
| 2 | X2 | Analog | Quartz crystal output |
| 3 | VBAT | Power | Battery backup supply input for RTCC and SRAM |
| 4 | Vss | Ground | Ground |
| 5 | SDA | Digital | Bidirectional serial data (I2C), open-drain |
| 6 | SCL | Digital | Serial clock (I2C) input |
| 7 | MFP | Digital | Multifunction pin: alarm/square wave output, open-drain |
| 8 | Vcc | Power | Primary power supply |