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| 型号： | ADM1232ARWZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR FOR CPU 16SOIC |
| 标准包装： | 400 |
| 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： | 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) |
ADM1232
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
NC 1
PB RESET 2
16 NC
15 V CC
NC 3
TD 4
ADM1232
TOP VIEW
14 NC
13 STROBE
NC 5
TOLERANCE 6
NC 7
(Not to Scale) 12 NC
11 RESET
10 NC
GND 8
9
RESET
NC = NO CONNECT
Figure 3. RW-16 Pin Configuration
PB RESET 1
TD 2
TOLERANCE 3
GND 4
ADM1232
TOP VIEW
(Not to Scale)
8
7
6
5
V CC
STROBE
RESET
RESET
Figure 4. RM-8 Pin Configuration
PB RESET 1
TD 2
TOLERANCE 3
GND 4
ADM1232
TOP VIEW
(Not to Scale)
8
7
6
5
V CC
STROBE
RESET
RESET
Figure 5. N-8 and R-8 Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
N-8, R-8,
RW-16
1, 3, 5, 7,
RM-8
Mnemonic
NC
Description
No Connection.
10, 12,
14, 16
2
1
PB RESET
Push-Button Reset Input. This debounced input ignores pulses of less than 1 ms and is
guaranteed to respond to pulses greater than 20 ms.
4
2
TD
Time Delay Set. This input allows the user to select the maximum amount of time that the
ADM1232 allows the STROBE input to remain inactive—that is, STROBE is not receiving any
high-to-low transitions—without forcing the ADM1232 to generate a RESET pulse.
6
3
TOLERANCE
Tolerance Input. This input determines how much the supply voltage is allowed to decrease (as a
percentage) before a RESET is asserted. Connect this pin to V CC for 10% and to GND for 5%.
8
9
4
5
GND
RESET
0 V Ground Reference for All Signals.
Active High Logic Output. This pin is asserted when any of the following events occurs:
V CC decreases below the amount specified by the TOLERANCE input; when PB RESET is forced low;
if there are no high-to-low transitions within the limits set by TD at STROBE; and during power-up.
11
13
6
7
RESET
STROBE
Inverse of RESET. This pin has an open-drain output.
The STROBE input is used to monitor the activity of a microprocessor. If there are no high-to-low
transitions within the time specified by TD, a reset is asserted.
15
8
V CC
Power Supply Input, 5 V.
Rev. C | Page 5 of 12
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