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参数资料
| 型号： | DS1708TEUA+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC MICROMONITOR 3.3V 5% 8-USOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 3,000 |
| 系列： | MicroMonitor™ |
| 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 130 ms |
| 电压 - 阀值： | 3.08V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
DS1707/DS1708
3.3 and 5.0-Volt MicroMonitor
www.maxim-ic.com
FEATURES
§ Holds microprocessor in check during power
transients
§ Automatically restarts microprocessor after
power failure
§ Monitors pushbutton for external override
§ Accurate 5%, 10% or 20% resets for 3.3V
systems and 5% or 10% resets for 5.0V
PIN ASSIGNMENT
PBRST 1 8
V CC 2 7
GND 3 6
IN 4 5
8-Pin DIP (300-mil)
RST
RST
NC
NMI
§
§
§
systems
Eliminates the need for discrete components
20% tolerance compatible with 3.0V systems
Pin compatible with the MAXIM
MAX707/MAX708 in 8-pin DIP, 8-pin SOIC
PBRST
V CC
GND
IN
1
2
3
4
8
7
6
5
RST
RST
NC
NMI
packages
8-Pin SOIC (150-mil)
§
§
8-pin DIP, 8-pin and m -SOP SOIC and 8-pin
m -SOP packages available
Industrial temperature range -40 ° C to +85 ° C
RST
RST
PBRST
V CC
1
2
3
4
8
7
6
5
NC
NMI
IN
GND
8-Pin m -SOP (118-mil)
See Mech. Drawings Section on website
DS1707 and DS1708_R/S/T
PIN DESCRIPTION
PBRST
V CC
GND
IN
NMI
NC
RST
RST
- Pushbutton Reset Input
- Power Supply
- Ground
- Input
- Non-maskable Interrupt
- No Connect
- Active Low Reset Output
- Active High Reset Output
DESCRIPTION
The DS1707/DS1708 3.3- or 5.0-Volt MicroMonitor monitors three vital conditions for a microprocessor:
power supply, voltage sense, and external override. A precision temperature-compensated reference and
comparator circuit monitor the status of V CC at the device and at an upstream point for maximum
protection. When the sense input detects an out-of-tolerance condition a non-maskable interrupt is
generated. As the voltage at the device degrades an internal power fail signal is generated which forces
the reset to an active state. When V CC returns to an in-tolerance condition, the reset signal is kept in the
active state for a minimum of 130 ms to allow the power supply and processor to stabilize.
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相关代理商/技术参数 |
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