参数资料
型号: TC1232CPA
厂商: Microchip Technology
文件页数: 4/20页
文件大小: 0K
描述: IC MPU MONITOR 4.5V 8-DIP
标准包装: 60
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: 高有效/低有效
复位超时: 最小为 250 ms
电压 - 阀值: 4.37V,4.62V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
产品目录页面: 662 (CN2011-ZH PDF)
其它名称: 158-1042
158-1042-ND
TC1232
PB RST
t PBD
t PB
ST
t ST
t TD
RST
V IL
V IH
t RST
RST (when t TD ≤ t TD (min))
RST
(when t TD (min) ≤ t TD ≤ t TD (max))
“H”
RST
RST
(when t TD ≥ t TD (max))
The debounced PB RST input ignores input pulses less
than 1 ms and is designed to recognize pulses of
20 ms or greater.
RST (when t TD ≤ t TD (min))
RST
(when t TD (min) ≤ t TD ≤ t TD (max))
RST
(when t TD ≥ t TD (max))
“L”
FIGURE 1-2:
Push Button Reset and Watchdog Timer Reset Timing Waveforms.
AC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise noted, T A = T MIN to T MAX ; V CC = +4.0V to 5.5V.
Parameters
PB RST Pulse Width
PB RST Falling Edge Low to
Sym
t PB
t PBD
Min
20
1
Typ
4
Max
20
Units
ms
ms
Conditions
Reset Active
PB RST Rising Edge High to
t RST
250
610
1000
ms
Reset Inactive
ST Pulse Width
t ST
20
ns
ST Time-out Period
t TD
62.5
250
500
150
600
1200
250
1000
2000
ms
ms
ms
TD Pin = 0V
TD Pin = Open
TD Pin = V CC
Note 1:
PB RST must be held low for a minimum of 20 ms to ensure a reset.
DS21370C-page 4
Preliminary
? 2005 Microchip Technology Inc.
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