参数资料
型号: ADM708RAR
厂商: Analog Devices Inc
文件页数: 7/16页
文件大小: 0K
描述: IC SUPERVISOR MPU 2.63V WD 8SOIC
标准包装: 98
类型: 简单复位/加电复位
监视电压数目: 1
输出: 推挽式,推挽式
复位: 高有效/低有效
复位超时: 最小为 160 ms
电压 - 阀值: 2.63V
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-SO
包装: 管件
ADM706P/ADM706R/ADM706S/ADM706T, ADM708R/ADM708S/ADM708T
MR 1
V CC 2
GND 3
PFI 4
ADM708R/
ADM708S/
ADM708T
TOP VIEW
(Not to Scale)
8
7
6
5
RESET
RESET
NC
PFO
NC = NO CONNECT
Figure 5. ADM708R/ADM708S/ADM708T
Table 4. Pin Function Descriptions ADM708R/ADM708S/ADM708T
Pin No.
1
2
3
4
5
6
7
8
Mnemonic
MR
V CC
GND
PFI
PFO
NC
RESET
RESET
Description
Manual Reset Input. When taken below 0.6 V, a RESET/RESET is generated. MR can be driven from TTL, CMOS
logic, or from a manual reset switch because it is internally debounced. An internal 70 μA pull-up current holds
the input high when floating.
Power Supply Input.
Ground. Ground reference for all signals (0 V).
Power-Fail Input. PFI is the noninverting input to the power-fail comparator. When PFI is less than 1.25 V, PFO
goes low. If unused, PFI should be connected to GND.
Power-Fail Output. PFO is the output from the power-fail comparator. It goes low when PFI is less than 1.25 V.
No Connect.
Logic Output. RESET goes low for 200 ms when triggered. It is triggered either by V CC being below the reset
threshold or by a low signal on the MR input. RESET remains low whenever V CC is below the reset threshold. It
remains low for 200 ms after V CC goes above the reset threshold or MR goes from low to high. A watchdog
timeout does not trigger RESET unless WDO is connected to MR.
Logic Output. RESET is an active high output suitable for systems that use active high reset logic. It is the
inverse of RESET.
Rev. C | Page 7 of 16
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