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参数资料
| 型号： | DS1210 |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | Nonvolatile Controller Chip(非易失性控制器芯片) |
| 中文描述： | 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8 |
| 封装： | 0.300 INCH, DIP-8 |
| 文件页数： | 1/7页 |
| 文件大小： | 66K |
| 代理商： | DS1210 |
DS1210
Nonvolatile Controller Chip
DS1210
021798 1/7
FEATURES
Converts CMOS RAMs into nonvolatile memories
Unconditionally write protects when V
CC
is out of
tolerance
Automatically switches to battery when power fail
occurs
Space saving 8-pin DIP
Consumes less than 100 nA 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 V
CC
switch
Optional 16-pin SOIC surface mount package
Optional industrial temperature range of
-40
°
C to +85
°
C.
PIN ASSIGNMENT
VBAT1
NC
NC
TOL
NC
NC
GND
NC
VCCI
NC
VBAT2
NC
CEO
NC
CE
TOL
GND
VCCO
VBAT1
VCCI
VBAT2
CEO
CE
VCCO
DS1210 8-Pin DIP (300 MIL)
See Mech. Drawings Section
DS1210S 16-Pin SOIC (300 MIL)
See Mech. Drawings Section
1
2
3
4
5
6
7
8
1
11
10
12
13
14
2
3
4
5
6
7
8
9
15
16
PIN DESCRIPTION
V
CCO
V
BAT1
TOL
GND
CE
CEO
V
BAT2
V
CCI
NC
– RAM Supply
– + Battery 1
– Power Supply Tolerance
– Ground
– Chip Enable Input
– Chip Enable Output
– + Battery 2
– + Supply
– No Connect
DESCRIPTION
The DS1210 Nonvolatile Controller Chip is a CMOS cir-
cuit 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 af-
fords 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.
相关PDF资料 |
PDF描述 |
|---|---|
| DS1211 | Nonvolatile Controller x 8 Chip(非易失性控制器x 8 芯片) |
| DS1215 | Using the Dallas Phantom Real Time Clocks(实时时钟芯片) |
| DS1216B | SmartWatch/RAM 16K/64K(16K/64K位带实时时钟的掉电保护RAM插座) |
| DS1216C | SmartWatch/RAM 16K/65K(16K/65K位带实时时钟的掉电保护RAM插座) |
| DS1216D(中文) | Using the Dallas Phantom Real Time Clocks(256K/1M位带实时时钟的带掉电保护SRAM插座) |
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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