产品概览
The DS1314E+ from Analog Devices/Maxim Integrated is a 3V nonvolatile SRAM controller with lithium battery monitor, providing automatic write protection and battery backup switching for CMOS SRAM.
主要规格
| 制造商 | Analog Devices (Maxim) |
| 功能 | Nonvolatile SRAM Controller |
| 电源电压 | 3.0V to 3.6V |
| 备用电池 | Automatic switch |
| Battery Monitor | Yes (low battery warning) |
| Write Protection | Unconditional on VCC fault |
| Reset Output | Yes (active low) |
| 包装 | 20-TSSOP |
| 工作温度 | -40°C to +85°C |
| MSL | 1 (Unlimited) |
特点
- Converts CMOS SRAM to nonvolatile memory
- Unconditional write protection on VCC fault
- Automatic battery backup switching
- Lithium battery voltage monitoring
- Low battery warning output (BW)
- Processor reset on power failure
- 3.0V/3.3V tolerance selection (TOL pin)
应用
- Industrial data retention
- Embedded NVRAM
- Configuration storage
- Calibration data preservation