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参数资料
型号： CAT140049SWI-GT3
厂商： ON Semiconductor
文件页数： 1/14页
文件大小： 0K
描述： IC SUPERVISOR I2C EEPROM 8SOIC
标准包装： 3,000
类型： 简单复位/加电复位
监视电压数目： 1
输出： 推挽式，图腾柱
复位： 低有效
复位超时： 最小为 140 ms
电压 - 阀值： 2.93V
工作温度： -40°C ~ 85°C
安装类型： 表面贴装
封装/外壳： 8-SOIC（0.154"，3.90mm 宽）
供应商设备封装： 8-SOIC
包装： 带卷 (TR)
其它名称： 140049SWI-GT3

CAT140xx
Voltage Supervisor with I 2 C Serial
CMOS EEPROM
FEATURES
Precision Power Supply Voltage Monitor
5V, 3.3V, 3V & 2.5V systems
7 threshold voltage options
Active High or Low Reset
Valid reset guaranteed at V CC = 1 V
Supports Standard and Fast I 2 C Protocol
16-Byte Page Write Buffer
Low power CMOS technology
1,000,000 Program/Erase cycles
100 year data retention
Industrial temperature range
RoHS-compliant 8-pin SOIC package
For Ordering Information details, see page 14.
PIN CONFIGURATION
DESCRIPTION
The CAT140xx (see table below) are memory and
supervisory solutions for microcontroller based systems. A
CMOS serial EEPROM memory and a system power
supervisor with brown-out protection are integrated
together. Memory interface is via both the standard
(100kHz) as well as fast (400kHz) I 2 C protocol.
The CAT140xx provides a precision V CC sense circuit
with two reset output options: CMOS active low output
or CMOS active high. The RESET output is active
whenever V CC is below the reset threshold or falls
below the reset threshold voltage.
The power supply monitor and reset circuit protect
system controllers during power up/down and against
brownout conditions. Seven reset threshold voltages
support 5V, 3.3V, 3V and 2.5V systems. If power
supply voltages are out of tolerance reset signals
become active, preventing the system microcontroller,
ASIC or peripherals from operating. Reset signals
become inactive typically 240ms after the supply
voltage exceeds the reset threshold level.
SOIC (W)
CAT14016 / 08 / 04 / 02
MEMORY SIZE SELECTOR
NC / NC / NC / A 0
NC / NC / A 1 / A 1
NC / A 2 / A 2 / A 2
1
2
3
8
7
6
V CC
RST/RST
SCL
Product
14002
14004
Memory density
2-Kbit
4-Kbit
V SS 4
5
SDA
14008
8-Kbit
PIN FUNCTION
14016
16-Kbit
Pin Name
Function
THRESHOLD SUFFIX SELECTOR
A0, A1, A2
SDA
SCL
RST
RST/ ˉˉˉˉ
V CC
V SS
NC
? 2008 SCILLC. All rights reserved.
Device Address Inputs
Serial Data Input/Output
Serial Clock Input
Reset Output
Power Supply
Ground
No Connect
1
Nominal Threshold
Voltage
4.63V
4.38V
4.00V
3.08V
2.93V
2.63V
2.32V
Threshold Suffix
Designation
L
M
J
T
S
R
Z
Doc. No. MD-1117 Rev. B
Characteristics subject to change without notice
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相关代理商/技术参数
参数描述
CAT140049TWI-GT3 功能描述:监控电路 w/8k I2C RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
CAT140089MWI-GT3 功能描述:监控电路 w/8k I2C RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
CAT140089SWGI 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述:
CAT140089SWI-G 功能描述:监控电路 2.93V, 8K EEPROM, Active Low RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
CAT140089SWI-GT3 功能描述:监控电路 w/8k I2C RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
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