參數(shù)資料
型號(hào): DS1707U
廠商: DALLAS SEMICONDUCTOR
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 0.118 INCH, SOP-8
文件頁數(shù): 9/10頁
文件大?。?/td> 66K
代理商: DS1707U
DS1707/DS1708
022698 8/10
AC ELECTRICAL CHARACTERISTICS
(–40
°C to +85°C; VCC=1.2V to 5.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
PBRST = VIL
tPB
150
ns
Reset Active Time
tRST
130
205
285
ms
VCC Detect to RST and RST
tRPD
5
8
s
7
VCC Slew Rate
tF
20
s
VCC Detect to RST and RST
tRPU
130
205
285
ms
6
VCC Slew Rate
tR
0
ns
PBRST Stable Low to RST and
RST
tPDLY
250
ns
VIN Detect to NMI
tIPD
5
8
s
7
NOTES:
1. All voltages are referenced to ground.
2. PBRST is internally pulled up to VCC with an internal impedance of 40K 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 s
7. Noise immunity – pulses < 2
s at VCCTP minimum will not cause a reset.
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