DS1708R 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1708R Datasheet PDF : 9 Pages
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DS1707/DS1708
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
PBRST = VIL
tPB
150
Reset Active Time
tRST
130
VCC Detect to RST and RST
tRPD
VCC Slew Rate
tF
20
VCC Detect to RST and RST
tRPU
130
VCC Slew Rate
tR
0
PBRST Stable Low to RST and
RST
tPDLY
VIN Detect to NMI
tIPD
(–40°C to +85°C; VCC=1.2V to 5.5V)
TYP
MAX
UNITS NOTES
ns
205
285
ms
5
8
µs
7
µs
205
285
ms
6
ns
250
ns
5
8
µs
7
NOTES:
1. All voltages are referenced to ground.
2. PBRST is internally pulled up to VCC with an internal impedance of 40KΩ typical.
3. VCC 2.4 volts
4. VCC < 2.4 volts
5. Measured with outputs open and all inputs at VCC or ground.
6. tR = 5 µs
7. Noise immunity – pulses < 2 µs at VCCTP minimum will not cause a reset.
010996 8/9
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