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产品名称：M48T37V
产品封装：SO-44
产品品牌：STMicroelectronics
PDF文档：下载
库 存：查看
电 话：0755-83035811
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产品介绍
M48T37V
Features
- Integrated ultra low power SRAM, real-time clock, power-fail control circuit, and battery
- Frequency test output for real-time clock software calibration
- Automatic power-fail chip deselect and WRITE protection
- Watchdog timer
- WRITE protect voltage (VPFD= Power-fail deselect voltage):
- M48T37Y: VCC= 4.5 to 5.5 V 4.2 V ≤ VPFD≤ 4.5 V
- M48T37V: VCC= 3.0 to 3.6 V 2.7 V ≤ VPFD≤ 3.0 V
- Packaging includes a 44-lead SOIC and SNAPHAT®top (to be ordered separately)
- SOIC package provides direct connection for a SNAPHAT®top which contains the battery and crystal
- Microprocessor power-on reset (valid even during battery backup mode)
- Programmable alarm output active in the battery backup mode
- Battery low flag
- RoHS compliant
- Lead-free second level interconnect
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