参数资料
型号: DS1231-35
英文描述: Power Supply Supervisor
中文描述: 电源监控
文件页数: 8/9页
文件大小: 66K
代理商: DS1231-35
DS1231/S
022698 8/9
AC ELECTRICAL CHARACTERISTICS
(0
°C to 70°C; VCC = 5V + 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
VTP to NMI Delay
tIPD
1.1
s
VCC Slew Rate 4.75-4.25V
tF
300
s
VCC Detect to RST and RST
tRPD
100
ns
VCC Detect to NMI
tIPU
200
s
4
VCC Detect to RST and RST
tRPU
150
500
1000
ms
4
VCC Slew Rate 4.25-4.75V
tR
0
ns
NOTES:
1. All voltages referenced to ground.
2. VCC = +5.0 volts with outputs open.
3. Measured with outputs open.
4. tR = 5 s.
5. RST is an open drain output and requires a pull–up resister.
6. RST remains within 0.5V of VCC on power–down until VCC drops below 2.0V. RST remains within 0.5V of
GND on power–down until VCC drops below 2.0V.
TIMING DIAGRAM: POWER-UP
VTP
tR
MODE=VCC
tRPU
VCC
NMI
INPUT PIN 1
MODE=GND
4.5V
4.25V
4.75V
tIPU
VOH
VOL
RST
相关PDF资料
PDF描述
DS1231-50 Power Supply Supervisor
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