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| 型号： | ADM1232ANZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR FOR CPU 8DIP |
| 标准包装： | 50 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极，推挽式 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 250 ms |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 85°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： | 799 (CN2011-ZH PDF) |
ADM1232
CIRCUIT INFORMATION
PB RESET
The PB RESET input makes it possible to manually reset a
system using either a standard push-button switch or a logic
low input. An internal debounce circuit provides glitch
immunity when used with a switch, reducing the effects of
STROBE TIMEOUT SELECTION
TD (time delay) set is used to set the strobe timeout period. The
strobe timeout period is the maximum time between high-to-
low transitions that STROBE accepts before a reset is asserted
glitches on the line. The debounce circuit is guaranteed to cause
the ADM1232 to assert a reset if PB RESET is brought low for
more than 20 ms and is guaranteed to ignore low inputs of less
than 1 ms.
V CC
V CC
TD
ADM1232
MICROPROCESSOR
STROBE
I/O
Table 5. Strobe Timeout Settings
Condition Min Typ
TD = 0 V 62.5 150
TD = Floating 250 600
TD = V CC 500 1200
STROBE
PULSE WIDTH
Max
250
1000
2000
Unit
ms
ms
ms
PB RESET
GND
RESET
TOLERANCE
RESET
STROBE
STROBE TIMEOUT PERIOD
Figure 6. Typical Push-Button Reset Application
Figure 8. STROBE Parameters
PB RESET TIME
V CC
5V
4.5V (5% TRIP POINT)
5V
PB RESET
V IL
PB RESET
DELAY
V IH
RESET ACTIVE
TIME
RESET OUTPUT DELAY
W HEN V CC IS FALLING
RESET
4.25V (10% TRIP POINT)
RESET OUTPUT DELAY
WHEN V CC IS RISING
RESET
RESET
Figure 9. Reset Output Delay
RESET
Figure 7. PB RESET
TOLERANCE
The TOLERANCE input is used to determine the level at which
V CC can vary below 5 V without the ADM1232 asserting a reset.
Connecting TOLERANCE to GND selects a ?5% tolerance level
and causes the ADM1232 to generate a reset if V CC falls below
4.75 V. If TOLERANCE is connected to V CC , a ?10% tolerance
level is selected, which causes the ADM1232 to generate a reset
if V CC falls below 4.5 V. See the parameters for the V CC trip point
in the Specifications section for more information.
RESET AND RESET OUTPUTS
RESET is capable of sourcing and sinking current, whereas
RESET is an open-drain MOSFET that sinks current only.
Therefore, it is necessary to pull this output high.
Rev. C | Page 6 of 12
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相关代理商/技术参数 |
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| ADM1232ANZ1 | 制造商:AD 制造商全称:Analog Devices 功能描述:Microprocessor Supervisory Circuit |
| ADM1232ARM | 功能描述:IC SUPERVISOR FOR CPU 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:400 系列:- 类型:备用电池电路 监视电压数目:1 输出:开路漏极，推挽式 复位:高有效/低有效 复位超时:最小为 35 ms 电压 - 阀值:4.65V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC W 包装:带卷 (TR) 其它名称:ADM691ARZ-REEL7TR |
| ADM1232ARM-REEL | 制造商:Analog Devices 功能描述:Processor Supervisor 4.62V/4.37V 4.5V/4.75V 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:PROCESSOR SUPERVISOR 4.62V/4.37V 500UA 8MSOP - Tape and Reel |
| ADM1232ARM-REEL7 | 功能描述:IC SUPERVISOR FOR CPU 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 标准包装:400 系列:- 类型:备用电池电路 监视电压数目:1 输出:开路漏极，推挽式 复位:高有效/低有效 复位超时:最小为 35 ms 电压 - 阀值:4.65V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 供应商设备封装:16-SOIC W 包装:带卷 (TR) 其它名称:ADM691ARZ-REEL7TR |
| ADM1232ARMZ | 功能描述:IC SUPERVISOR FOR CPU 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 其它有关文件:STM6717 View All Specifications 标准包装:1 系列:- 类型:多压监控器 监视电压数目:2 输出:开路漏极或开路集电极 复位:低有效 复位超时:最小为 600 ms 电压 - 阀值:1.11V，3.075V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:Digi-Reel® 产品目录页面:1194 (CN2011-ZH PDF) 其它名称:497-7019-6 |
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