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X4325S8-4.5A PDF预览

X4325S8-4.5A

更新时间： 2024-01-17 10:12:15
品牌 Logo 应用领域
XICOR 光电二极管
页数 文件大小 规格书
22页 505K
描述
Power Supply Management Circuit Adjustable 1 Channel CMOS PDSO8

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X4325S8-4.5A 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：0.150 INCH, SOIC-8
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.77可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9 mm
信道数量：1功能数量：1
端子数量：8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封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
座面最大高度：1.75 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：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宽度：3.9 mm
Base Number Matches：1

X4325S8-4.5A 数据手册

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32K  
4K x 8 Bit  
X4323/5  
CPU Supervisor with 32K EEPROM  
DESCRIPTION  
FEATURES  
• Selectable watchdog timer  
The X4323/5 combines four popular functions, Power-  
on Reset Control, Watchdog Timer, Supply Voltage  
Supervision, and Serial EEPROM Memory in one pack-  
age. This combination lowers system cost, reduces  
board space requirements, and increases reliability.  
• Low V  
detection and reset assertion  
CC  
—Four standard reset threshold voltages  
—Adjust low V reset threshold voltage using  
CC  
special programming sequence  
—Reset signal valid to V = 1V  
• Low power CMOS  
—<20µA max standby current, watchdog on  
—<1µA standby current, watchdog off  
—3mA active current  
CC  
Applying power to the device activates the power on  
reset circuit which holds RESET/RESET active for a  
period of time. This allows the power supply and oscilla-  
tor to stabilize before the processor can execute code.  
• 32Kbits of EEPROM  
—64-byte page write mode  
—Self-timed write cycle  
—5ms write cycle time (typical)  
• Built-in inadvertent write protection  
—Power-up/power-down protection circuitry  
—Block Lock (1, 2, 4, 8 pages, all, none)  
• 400kHz 2-wire interface  
The Watchdog Timer provides an independent protec-  
tion mechanism for microcontrollers. When the micro-  
controller fails to restart a timer within a selectable time  
out interval, the device activates the RESET/RESET  
signal. The user selects the interval from three preset  
values. Once selected, the interval does not change,  
even after cycling the power.  
The device’s low V  
detection circuitry protects the  
CC  
• 2.7V to 5.5V power supply operation  
• Available packages  
—8-lead SOIC  
user’s system from low voltage conditions, resetting the  
system when V falls below the set minimum V trip  
CC  
CC  
returns to  
point. RESET/RESET is asserted until V  
CC  
—8-lead TSSOP  
proper operating level and stabilizes. Four industry stan-  
dard V thresholds are available, however, Xicor’s  
TRIP  
unique circuits allow the threshold to be reprogrammed  
to meet custom requirements or to fine-tune the thresh-  
old for applications requiring higher precision.  
BLOCK DIAGRAM  
Watchdog Transition  
Detector  
Watchdog  
Timer Reset  
WP  
Protect Logic  
RESET (X4323)  
RESET (X4325)  
Data  
Register  
SDA  
Status  
Register  
EEPROM Array  
Command  
Reset &  
Watchdog  
Timebase  
SCL  
Decode &  
Control  
Logic  
S0  
S1  
V
Threshold  
CC  
Reset logic  
Power on and  
+
-
Low Voltage  
V
CC  
Reset  
Generation  
V
TRIP  
Characteristics subject to change without notice. 1 of 22  
REV 1.20 2/11/04  
www.xicor.com  
1234567...22

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