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DS1238S-10 PDF预览

DS1238S-10

更新时间: 2024-11-14 14:49:07
品牌 Logo 应用领域
美信 - MAXIM 输入元件光电二极管
页数 文件大小 规格书
14页 219K
描述
Power Supply Management Circuit, Fixed, 2 Channel, CMOS, PDSO16, 0.300 INCH, SOIC-16

DS1238S-10 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:0.300 INCH, SOIC-16
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:1 week风险等级:5.65
Is Samacsys:N其他特性:PUSHBUTTON RESET INPUT
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:10.3 mm信道数量:2
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:SOP
封装等效代码:SOP16,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):245
电源:5 V认证状态:Not Qualified
座面最大高度:2.65 mm子类别:Power Management Circuits
最大供电电流 (Isup):4 mA标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

DS1238S-10 数据手册

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DS1238  
MicroManager  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
Holds microprocessor in check during power  
transients  
VBAT  
VCCO  
VCC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
RST  
RST  
WDS  
CEI  
CEO  
ST  
Halts and restarts an out-of-control  
microprocessor  
Warns microprocessor of an impending power  
failure  
Converts CMOS SRAM into nonvolatile  
memory  
Unconditionally write-protects memory when  
power supply is out of tolerance  
Delays write protection until completion of  
the current memory cycle  
VBAT  
VCCO  
VCC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
RST  
RST  
WDS  
CEI  
CEO  
ST  
GND  
PF  
GND  
RVT  
PF  
OSCIN  
OSCSEL  
NMI  
IN  
RVT  
OSCIN  
OSCSEL  
NMI  
IN  
16-Pin DIP (300-mil)  
16-Pin SOIC (300-mil)  
See Mech. Drawings Section  
See Mech. Drawings Section  
Consumes less than 200 nA of battery current  
Controls external power switch for high  
current applications  
Debounces pushbutton reset  
Accurate 10% power supply monitoring  
Optional 5% power supply monitoring  
designated DS1238-5  
PIN DESCRIPTION  
VBAT  
VCCO  
VCC  
GND  
PF  
- +3-Volt Battery Input  
- Switched SRAM Supply Output  
- +5-Volt Power Supply Input  
- Ground  
Provides orderly shutdown in microprocessor  
applications  
- Power-Fail  
RVT  
OSCIN  
OSCSEL  
IN  
- Reset Voltage Threshold  
- Oscillator In  
- Oscillator Select  
- Early Warning Input  
- Non-Maskable Interrupt  
- Strobe Input  
Pin-for-pin compatible with MAX691  
Standard 16-pin DIP or space-saving 16-pin  
SOIC  
Optional industrial temperature range -40°C  
to +85°C  
NMI  
ST  
CEO  
- Chip Enable Output  
- Chip Enable Input  
- Watchdog Status  
- Reset Output (active low)  
- Reset Output (active high)  
CEI  
WDS  
RST  
RST  
DESCRIPTION  
The DS1238 MicroManager provides all the necessary functions for power supply monitoring, reset  
control, and memory backup in microprocessor-based systems. A precise internal voltage reference and  
comparator circuit monitor power supply status. When an out-of-tolerance condition occurs, the  
microprocessor reset and power-fail outputs are forced active, and static RAM control unconditionally  
write protects external memory. The DS1238 also provides early warning detection of a user-defined  
threshold by driving a non-maskable interrupt. External reset control is provided by a pushbutton reset  
1 of 14  
111899  

DS1238S-10 替代型号

型号 品牌 替代类型 描述 数据表
DS1238S-10+ MAXIM

完全替代

Power Supply Management Circuit, Fixed, 2 Channel, CMOS, PDSO16, 0.300 INCH, SOIC-16

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