DS1830 データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1830 Datasheet PDF : 7 Pages
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D1830/A
DC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; VCC = 1.0V to 5.5V)
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
VCC Trip Point (TOL=
VCC) DS1830
VCC Trip Point
(TOL=GND) DS1830
VCCTP
VCCTP
4.50 4.62 4.74 V
4.25 4.37 4.49 V
VCC Trip Point
(TOL=Open) DS1830
VCCTP
4.00 4.13 4.24 V
VCC Trip Point (TOL=
VCC) DS1830A
VCC Trip Point
(TOL=GND) DS1830A
VCCTP
VCCTP
2.98 3.06 3.15 V
2.80 2.88 2.97 V
VCC Trip Point
(TOL=Open) DS1830A
VCCTP
2.47 2.55 2.64 V
Input Leakage
IIL
-1.0
+1.0 µA 2
Output Current @ 0.4V
IOL
20
mA 3
Operating Current
(Standby)
DS1830
ICC DS1830A
18
10
35
25
µA
4
AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; VCC = 1.0V to 5.5V)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
PBRST = VIL
RESET Active Time
( RST1 /TD =GND)
tPB
tPDLY
ms
tRST1
10 15 20 ms
RESET Active Time
( RST1 /TD =Float)
tRST1
20 30 40 ms
RESET Active Time
( RST1 /TD = VCC)
RESET Active Time
( RST2 )
RESET Active Time
( RST3 )
VCC Detect to RST
VCC Slew Rate
VCC Detect to RST
tRST1
50 75 100 ms
tRST2
5x
tRST1
ms
tRST3
10x
tRST1
ms
tRPD
5
8 µs
5
tF
20
µs
6
tRPU
See RESET Active
Times
ms
7
VCC Slew Rate
tR
0
ns
PBRST Stable Low to
RST
tPDLY
1.0 1.5 2.0 ms
CAPACITANCE (TA = +25°C)
PARAMETER SYMBOL MIN
Input Capacitance
CIN
Output Capacitance
COUT
TYP MAX UNITS NOTES
5 pF
7 pF
6 of 7
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