DS1812
ABSOLUTE MAXIMUM RATINGS*
Voltage on V
CC
Pin Relative to Ground
Voltage on RST Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
*
-0.5V to +7.0V
-0.5V to V
CC
+0.5V
-40°C to +85°C
-55°C to +125°C
260°C for 10 seconds
This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
Supply Voltage
SYMBOL
V
CC
MIN
0.0
TYP
MAX
5.5
(-40°C to +85°C)
UNITS
V
NOTES
1
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Output Voltage @ 0-500
µA
Output Current @ 2.4 volts
Output Current @ 0.4 volts
Operating Current V
CC
< 5.5
V
CC
Trip Point (DS1812-5)
V
CC
Trip Point (DS1812-10)
V
CC
Trip Point (DS1812-15)
Output Capacitance
SYMBOL
V
OH
I
OH
I
OL
I
CC
V
CCTP
V
CCTP
V
CCTP
C
OUT
(-40°C to +85°C; V
CC
=1.2V to 5.5V)
MIN
V
CC
-0.5V
+10
30
4.50
4.25
4.00
4.62
4.35
4.13
40
4.75
4.49
4.24
10
TYP
V
CC
-0.1V
350
MAX
UNITS
V
µA
mA
µA
V
V
V
pF
NOTES
1
2
2
3
1
1
1
AC ELECTRICAL CHARACTERISTICS
PARAMETER
RESET Active Time
V
CC
Detect to RST
V
CC
Slew Rate
(V
CCTP
(MAX) to V
CCTP
(MIN))
V
CC
Slew Rate
(V
CCTP
(MIN) to V
CCTP
(MAX))
V
CC
Detect to RST
SYMBOL
t
RST
t
RPD
t
F
t
R
t
RPU
(-40°C to +85°C; V
CC
=1.2V to 5.5V)
MIN
100
300
0
100
150
300
TYP
150
2
MAX
300
5
UNITS
ms
µs
µs
ns
ms
4
NOTES
4 of 5
DALLAS [ DALLAS SEMICONDUCTOR ]
