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CAT1026LE-30 PDF预览

CAT1026LE-30

更新时间： 2024-11-15 17:59:51
品牌 Logo 应用领域
安森美 - ONSEMI 光电二极管
页数 文件大小 规格书
19页 192K
描述
2-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8, LEAD AND HALOGEN FREE, PLASTIC, DIP-8

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CAT1026LE-30 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：DIP
包装说明：DIP,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.07
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDIP-T8JESD-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
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：4.57 mm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)：3.3 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 mmBase Number Matches：1

CAT1026LE-30 数据手册

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CAT1026, CAT1027  
Dual Voltage Supervisory  
Circuits with I2C Serial  
2k-bit CMOS EEPROM  
Description  
http://onsemi.com  
The CAT1026 and CAT1027 are complete memory and supervisory  
solutions for microcontroller−based systems. A 2k−bit serial  
EEPROM memory and a system power supervisor with brown−out  
protection are integrated together in low power CMOS technology.  
2
Memory interface is via a 400 kHz I C bus.  
The CAT1026 and CAT1027 provide a precision VCC sense circuit  
with five reset threshold voltage options that support 5 V, 3.3 V and  
3 V systems. The power supply monitor and reset circuit protects  
memory and systems controllers during power up/down and against  
brownout conditions. If power supply voltages are out of tolerance  
reset signals become active preventing the system microcontroller,  
ASIC, or peripherals from operating.  
PDIP−8  
CASE 646AA  
TSSOP−8  
CASE 948S  
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 outputs become inactive typically 200 ms  
after the supply voltage exceeds the reset threshold value. With both  
active high and low reset signals, interface to microcontrollers and  
other ICs is simple. CAT1027 has only a RESET output. In addition,  
the RESET pin can be used as an input for push−button manual reset  
capability.  
SOIC−8  
CASE 751BD  
MSOP−8  
CASE 846AD  
TDFN−8  
CASE 511AL  
The CAT1026 and CAT1027 provide an auxiliary voltage sensor  
input, VSENSE, which is used to monitor a second system supply. The  
auxiliary high impedance comparator drives the open drain output,  
ORDERING INFORMATION  
V
LOW  
, whenever the sense voltage is below 1.25 V threshold.  
The CAT1027 is designed with a 1.6 second watchdog timer circuit  
For Ordering Information details, see page 13.  
that resets a system to a known state if software or a hardware glitch  
halts or “hangs” the system. The CAT1027 features a watchdog timer  
interrupt input, WDI.  
The on−chip 2k−bit EEPROM memory features a 16−byte page. In addition, hardware data protection is provided by a V  
CC  
sense circuit that prevents writes to memory whenever V falls below the reset threshold or until VCC reaches the reset  
CC  
threshold during power up.  
Available packages include an 8−pin DIP and surface mount, 8−pin SO, 8−pin TSSOP, 8−pin TDFN and 8−pin MSOP  
packages. The TDFN package thickness is 0.8 mm maximum. TDFN footprint is 3 x 3 mm.  
Features  
• Precision V Power Supply Voltage Monitor  
• 16−Byte Page Write Buffer  
CC  
♦ 5 V, 3.3 V and 3 V Systems  
• Built−in Inadvertent Write Protection  
• 1,000,000 Program/Erase Cycles  
• Manual Reset Capability  
♦ Five Threshold Voltage Options  
• Additional Voltage Monitoring  
♦ Externally Adjustable Down to 1.25 V  
• Watchdog Timer (CAT1027 Only)  
• 100 Year Data Retention  
• Industrial and Extended Temperature Ranges  
• Active High or Low Reset  
• 8−Pin DIP, SOIC, TSSOP, MSOP or TDFN (3 x 3 mm  
♦ Valid Reset Guaranteed at VCC = 1 V  
foot−print) Packages  
2
• 400 kHz I C Bus  
♦ TDFN max Height is 0.8 mm  
• These Devices are Pb−Free, Halogen Free/BFR Free  
and are RoHS Compliant  
• 2.7 V to 5.5 V Operation  
• Low Power CMOS Technology  
© Semiconductor Components Industries, LLC, 2011  
1
Publication Order Number:  
November, 2011 − Rev. 18  
CAT1026/D  
1234567...19

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