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DS1239-5 PDF预览

DS1239-5

更新时间： 2024-11-14 20:34:11
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
4页 60K
描述
Power Supply Management Circuit, Fixed, 1 Channel, PDIP16, 0.300 INCH, PLASTIC, DIP-16

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中文翻译

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DS1239-5 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：DIP包装说明：0.300 INCH, PLASTIC, DIP-16
针数：16Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.31Is Samacsys：N
其他特性：PUSHBUTTON RESET OPTION可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：R-PDIP-T16
JESD-609代码：e0长度：19.175 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：16
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
封装等效代码：DIP16,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：240
电源：5 V认证状态：Not Qualified
座面最大高度：4.572 mm子类别：Power Management Circuits
最大供电电流 (Isup)：4 mA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温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn/Pb)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：20宽度：7.62 mm
Base Number Matches：1

DS1239-5 数据手册

 浏览型号DS1239-5的Datasheet PDF文件第2页浏览型号DS1239-5的Datasheet PDF文件第3页浏览型号DS1239-5的Datasheet PDF文件第4页 
DS1239  
MicroManager Chip  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
ꢀ Provides necessary control for start up and  
shutdown of power supply from keyboard  
ꢀ Holds microprocessor in check during power  
transients  
ꢀ Halts and restarts an out-of-control  
microprocessor  
ꢀ Monitors push button for external override  
ꢀ Warns microprocessor of an impending power  
failure  
ꢀ Converts CMOS SRAM into nonvolatile  
memory  
VBAT  
VCCO  
VCC  
GND  
PF  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
PSO  
RST  
PBRST  
CEI  
VBAT  
VCCO  
VCC  
GND  
PF  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
PSO  
RST  
PBRST  
CEI  
CEO  
ST  
PF  
CEO  
ST  
NMI  
IN  
WC/SC  
PSI  
NMI  
PF  
WC/SC  
PSI  
IN  
ꢀ Unconditionally write-protects memory when  
power supply is out of tolerance  
ꢀ Consumes less than 100 nA of battery current  
ꢀ Controls external power switch for high  
current applications  
ꢀ Accurate 10% power supply monitoring  
ꢀ Optional 5% power supply monitoring  
designated DS1239-5  
ꢀ Provides orderly shutdown in nonvolatile  
microprocessor applications  
ꢀ Supplies necessary control for low-power  
“stop mode” in battery operate hand-held  
applications  
DS1239 16-Pin DIP (300-mil)  
See Mech. Drawings Section  
DS1239 16-Pin SOIC (300-mil)  
See Mech. Drawings Section  
PIN DESCRIPTION  
VBAT  
VCCO  
VCC  
GND  
PF  
- +3 Volt Battery Input  
- Switched SRAM Supply Output  
- +5 Volt Power Supply Input  
- Ground  
- Power Fail (Active High)  
- Power Fail (Active Low)  
- Wake-Up Control (Sleep)  
- Power Supply Control Input  
- Early Warning Input  
PF  
WC/SC  
PSI  
IN  
ꢀ Standard 16-pin DIP or space-saving 16-pin  
SOIC  
ꢀ Optional industrial temperature range -40°C  
to +85°C  
NMI  
- Non-Maskable Interrupt  
- Strobe Input  
ST  
CEO  
CEI  
- Chip Enable Output  
- Chip Enable Input  
PBRST  
RST  
PSO  
- Pushbutton Reset Input  
- Reset Output (Active low)  
- Power Supply Control Outputs  
DESCRIPTION  
The DS1239 MicroManager provides all the necessary functions for power supply control and  
monitoring, reset control, and memory backup in microprocessor-based systems. Using the DS1239, an  
AC power switch is no longer required for microprocessor-based systems. A keyboard control system for  
power supply start up and shutdown is provided through the use of the Power Supply Control Input and  
Output. In other respects, the DS1239 is functionally identical to a DS1236 in the NMOS mode. For a  
complete description of the other DS1239 features, refer to the DS1236 data sheet. Pin-out of the  
1 of 4  
111899  
1234

中文翻译

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