参数资料
型号: DS1210SN/T&R
厂商: Maxim Integrated
文件页数: 1/8页
文件大小: 0K
描述: IC CONTROLLER CHIP NV IND 16SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
控制器类型: 非易失性 RAM
电源电压: 4.75 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 带卷 (TR)
1 of 8
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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DS1211+ 功能描述:IC CONTROLLER 8-CHIP NV 20-DIP RoHS:是 类别:集成电路 (IC) >> 存储器 - 控制器 系列:- 标准包装:45 系列:- 控制器类型:静态 RAM(SRAM) 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 封装/外壳:16-SOIC(0.295",7.50mm 宽) 供应商设备封装:16-SOIC W 包装:管件
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DS1211-N 制造商:未知厂家 制造商全称:未知厂家 功能描述:Nonvolatile Controller