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参数资料
| 型号： | DS1210+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC CONTROLLER CHIP NV 8-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 控制器类型： | 非易失性 RAM |
| 电源电压： | 4.75 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
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FEATURES
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 PDIP or 16-Pin SO
Packages
Consumes <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 VCC
Switch
Optional Industrial (N) Temperature Range of
-40°C to +85°C
PIN ASSIGNMENT
PIN DESCRIPTION
VCCO
- RAM Supply
VBAT1
- + Battery 1
TOL
- Power Supply Tolerance
GND
- Ground
CE
- Chip Enable Input
CEO
- Chip Enable Output
VBAT2
- + Battery 2
VCCI
- + Supply
NC
- No Connect
DESCRIPTION
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.
DS1210
Nonvolatile Controller Chip
VCCO
VBAT1
TOL
GND
1
2
3
4
VCCI
VBAT2
CEO
CE
8
7
6
5
DS1210 8-pin PDIP (300 mils)
NC
VCCO
NC
VBAT1
NC
TOL
NC
GND
NC
VCCI
NC
VBAT2
NC
CEO
NC
CE
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
DS1210S 16-pin SO (300 mils)
19-6294; Rev 6/12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1210_03 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Nonvolatile Controller Chip |
| DS1210+ | 功能描述:存储器控制器 Controller Chip Nonvolatile RoHS:否 制造商:Maxim Integrated |
| DS1210AADG | 制造商:Eaton Corporation 功能描述: |
| DS1210ABDG | 制造商:Eaton Corporation 功能描述: |
| DS1210AEDY | 制造商:Eaton Corporation 功能描述: |
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