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CAT1026LE-25 PDF预览

CAT1026LE-25

更新时间： 2024-11-15 18:28:03
品牌 Logo 应用领域
CATALYST 光电二极管
页数 文件大小 规格书
20页 153K
描述
Power Supply Support Circuit, Adjustable, 2 Channel, CMOS, PDIP8, LEAD AND HALOGEN FREE, PLASTIC, DIP-8

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CAT1026LE-25 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：DIP包装说明：DIP, DIP8,.3
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.08可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDIP-T8
JESD-609代码：e3长度：9.59 mm
信道数量：2功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：260电源：3.3/5 V
认证状态：Not Qualified座面最大高度：4.57 mm
子类别：Power Management Circuits最大供电电流 (Isup)：3 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：3 V
标称供电电压 (Vsup)：3 V表面贴装：NO
技术：CMOS温度等级：AUTOMOTIVE
端子面层：MATTE 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：40宽度：7.62 mm
Base Number Matches：1

CAT1026LE-25 数据手册

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E
CAT1026, CAT1027  
Dual Voltage Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM  
TM  
FEATURES  
■ Precision VCC power supply voltage monitor  
— 5V, 3.3 V and 3 V systems  
■ Low power CMOS technology  
■ 16-Byte page write buffer  
— Five threshold voltage options  
■ Built-in inadvertent write protection  
■ 1,000,000 Program/Erase cycles  
■ Manual reset capability  
■ Additional voltage monitoring  
— Externally adjustable down to 1.25 V  
■ Watchdog timer (CAT1027 only)  
■ Active high or low reset  
— Valid reset guaranteed to VCC = 1 V  
■ 400 kHz I2C bus  
■ 100 year data retention  
■ 8-pin DIP, SOIC, TSSOP, MSOP or TDFN  
(3 x 3 mm foot-print) packages  
— TDFN max height is 0.8mm  
■ Industrial and extended temperature ranges  
■ 3.0 V to 5.5 V operation  
DESCRIPTION  
The CAT1026 and CAT1027 are complete memory and used as an input for push-button manual reset capability.  
supervisorysolutionsformicrocontroller-basedsystems.  
The CAT1026 and CAT1027 provide an auxiliary voltage  
A 2k-bit serial EEPROM memory and a system power  
sensor input, VSENSE, which is used to monitor a second  
supervisor with brown-out protection are integrated  
system supply. The auxiliary high impedance comparator  
together in low power CMOS technology. Memory  
drives the open drain output, VLOW, whenever the sense  
interface is via a 400kHz I2C bus.  
voltage is below 1.25V threshold.  
The CAT1026 and CAT1027 provide a precision VCC  
TheCAT1027isdesignedwitha1.6secondwatchdogtimer  
sense circuit with five reset threshold voltage options  
circuit that resets a system to a known state if software or a  
that support 5V, 3.3V and 3V systems. The power  
hardware glitch halts or “hangs” the system. The CAT1027  
supply monitor and reset circuit protects memory and  
features a watchdog timer interrupt input, WDI.  
systems controllers during power up/down and against  
brownout conditions. If power supply voltages are out of  
The on-chip 2k-bit EEPROM memory features a 16-byte  
tolerance reset signals become active preventing the  
page. In addition, hardware data protection is provided by a  
system microcontroller, ASIC, or peripherals from  
VCC sense circuit that prevents writes to memory whenever  
operating.  
VCC falls below the reset threshold or until VCC reaches the  
reset threshold during power up.  
The CAT1026 features two open drain reset outputs:  
one (RESET) drives high and the other (RESET) drives  
low whenever VCC falls below the threshold. Reset  
Available packages include an 8-pin DIP, 8-pin SOIC, 8-  
pin TSSOP, 8-pin TDFN and 8-pin MSOP. The TDFN  
outputs become inactive typically 200 ms after the  
package thickness is 0.8mm maximum. TDFN footprint is  
supply voltage exceeds the reset threshold value. With  
3x3mm.  
both active high and low reset signals, interface to  
microcontrollers and other ICs is simple. CAT1027 has  
onlyaRESET output. Inaddition, theRESET pincanbe  
© 2004 by Catalyst Semiconductor, Inc.  
Doc No. 3010, Rev. K  
Characteristics subject to change without notice  
1234567...20

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