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DS1212+ PDF预览

DS1212+

更新时间: 2024-01-22 06:19:46
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER 光电二极管
页数 文件大小 规格书
8页 767K
描述
3-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP28, 0.600 INCH, DIP-28

DS1212+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:DIP
包装说明:DIP,针数:28
Reach Compliance Code:unknown风险等级:5.17
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码:R-PDIP-T28JESD-609代码:e3
长度:36.83 mm湿度敏感等级:1
信道数量:3功能数量:1
端子数量:28最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):260
认证状态:COMMERCIAL座面最大高度:5.08 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:TIN端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:15.24 mm
Base Number Matches:1

DS1212+ 数据手册

 浏览型号DS1212+的Datasheet PDF文件第1页浏览型号DS1212+的Datasheet PDF文件第3页浏览型号DS1212+的Datasheet PDF文件第4页浏览型号DS1212+的Datasheet PDF文件第5页浏览型号DS1212+的Datasheet PDF文件第6页浏览型号DS1212+的Datasheet PDF文件第7页 
DS1212  
Nonvolatile Controller x 16 Chip  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
Converts full CMOS RAM into nonvolatile  
memory  
VBAT1  
VCCO  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
VCCI  
VBAT2  
CE  
2
Unconditionally write protects when VCC is  
out of tolerance  
Automatically switches to battery when  
power-fail occurs  
4 to 16 decoder provides control for up to 16  
CMOS RAMs  
Consumes less than 100 nA of battery  
current  
Tests battery condition on power-up  
Provides for redundant batteries  
Power fail signal can be used to interrupt  
processor on power failure  
TOL  
PF  
3
4
CE0  
CE1  
CE2  
CE3  
CE4  
CE5  
CE6  
CE7  
CE15  
CE14  
CE13  
CE12  
CE11  
D
5
6
7
8
9
10  
11  
C
B
12  
13  
14  
17  
16  
15  
CE8  
CE9  
CE10  
A
GND  
Optional 5% or 10% power-fail detection  
Optional 28-pin PLCC surface mount  
package  
28-Pin DIP (600-mil)  
See Mech. Drawings Section  
Optional industrial temperature range of  
-40°C to +85°C  
4
3
2
1
28  
27 26  
5
6
7
8
9
25  
24  
CE0  
CE1  
CE2  
CE3  
CE4  
CE5  
CE6  
CE15  
CE14  
CE13  
CE12  
CE11  
D
PIN DESCRIPTION  
23  
22  
A, B, C, D  
- Address Inputs  
21  
20  
19  
CE  
- Chip Enable  
10  
11  
CE0 -CE15  
GND  
- Chip Enable Outputs  
- Ground  
C
12 13  
14 15  
16 17  
18  
VBAT1  
VBAT2  
TOL  
- + Battery 1  
- + Battery 2  
- Power Supply Tolerance  
- +5V Supply  
28-Pin PLCC  
See Mech. Drawings Section  
VCCI  
VCCO  
- RAM Supply  
PF  
- Power Fail  
DESCRIPTION  
The DS1212 Nonvolatile Controller x16 Chip is a CMOS circuit that solves the application problem of  
converting CMOS RAMs into nonvolatile memories. Incoming power is monitored for an out-of-  
tolerance condition. When such a condition is detected, the chip enables are inhibited to accomplish write  
protection and the battery is switched on to supply the RAMs with uninterrupted power. Special circuitry  
uses a low-leakage CMOS process that affords precise voltage detection at extremely low battery  
consumption.  
1 of 7  
111899  

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