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参数资料
| 型号： | DS1233DZ-5/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/5页 |
| 文件大小： | 0K |
| 描述： | IC ECONORESET NO PBR 5% SOT-223 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | EconoReset |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 250 ms |
| 电压 - 阀值： | 4.625V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-261-4，TO-261AA |
| 供应商设备封装： | SOT-223-3 |
| 包装： | 带卷 (TR) |
DS1233D
5V EconoReset
www.maxim-ic.com
FEATURES
§ Automatically restarts microprocessor after
power failure
§ Maintains reset for 350 ms after V CC returns
to an in-tolerance condition
§ Accurate 5%, 10% or 15% microprocessor 5V
power supply monitoring
§ Reduces need for discrete components
§ Precision temperature-compensated voltage
reference and voltage sensor
§ Low-cost TO-92 package or surface mount
SOT-223 package
PIN ASSIGNMENT
DALLAS
DS1233
Econo
Reset
1 2 3
1
2 4 3
TOP VIEW
SOT-23 PACKAGE
See Mech.
Drawings Section
On Website
§
§
§
Internal 5 k W pull-up resistor
Compatible with Motorola 68XXX series and
HC16 Microprocessors
Operating temperature of -40°C to +85°C
1 2 3
BOTTOM VIEW
TO-92 PACKAGE
See Mech.
Drawings Section
On Website
PIN DESCRIPTION
PIN 1
GROUND
PIN 2
RESET
PIN 3
V CC
PIN 4
GROUND (SOT-223 ONLY)
DESCRIPTION
The DS1233D EconoReset uses a precision temperature-compensated reference and comparator circuit to
monitor the status of the power supply (V CC ). When an out-of-tolerance condition is detected, an internal
power-fail signal is generated which forces reset to the active state. When V CC returns to an in-tolerance
condition, the reset signal is kept in the active state for approximately 350 ms to allow the power supply
and processor to stabilize.
OPERATION - POWER MONITOR
The DS1233D provides the functions of detecting out-of-tolerance power supply conditions and warning
a processor-based system of impending power failure. When V CC is detected as out of tolerance as
defined by the tolerance of the part selected, the RST signal is asserted. On power-up, RST is kept active
for approximately 350 ms after the power supply has reached the selected tolerance. This allows the
power supply and microprocessor to stabilize before RST is released.
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041002
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1233M | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:EconoReset |
| DS1233M-3 | 功能描述:监控电路 3.3V EconoReset 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 |
| DS1233M-3/T&R | 功能描述:监控电路 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 |
| DS1233M-3+ | 功能描述:监控电路 3.3V EconoReset 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 |
| DS1233M-3+T&R | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 2.72V 50UA 3PIN TO-92 - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONORESET 3V TO92-3 |
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