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型号	状态
DS1210	状况：生产中，但该系列产品中的某些型号已经停产。请查看订购信息。

概述

完整的数据资料 (PDF, 144kB) 英文 下载 The DS1210 Nonvolatile Controller Chip is a CMOS circuit which solves the application problem of converting CMOS RAM into nonvolatile memory. Incoming power is monitored for an out-of-tolerance condition. When such a condition is detected, chip enable is inhibited to accomplish write protection and the battery is switched on to supply the RAM with uninterrupted power. Special circuitry uses a low-leakage CMOS process which affords precise voltage detection at extremely low battery consumption. The 8-pin DIP package keeps PC board real estate requirements to a minimum. By combining the DS1210 Nonvolatile Controller Chip with a CMOS memory and batteries, nonvolatile RAM operation can be achieved.

关键特性

Converts CMOS RAMs into Nonvolatile Memories Unconditionally Write Protects when VCC is Out-of-Tolerance Automatically Switches to Battery when Power-Fail Occurs Space-Saving 8-Pin DIP Consumes Less Than 100nA of Battery Current Tests Battery Condition on Power up Provides for Redundant Batteries Optional 5% or 10% Power-Fail Detection Low Forward Voltage Drop on the VCCSwitch Optional 16-Pin SO Surface Mount Package Optional Industrial (N) Temperature Range of -40°C to +85°C 通过美国保险商实验室协会(UL®)认证

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