DS1232LP/LPS
ABSOLUTE MAXIMUM RATINGS*
Voltage on V
CC
Pin Relative to Ground
Voltage on I/O Relative to Ground
Operating Temperature
Operating Temperature (Industrial Version)
Storage Temperature
Soldering Temperature
–0.5V to +7.0V
–0.5V to V
CC
+ 0.5V
0°C to 70°C
–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
ST and PBRST Input High Level
ST and PBRST Input Low Level
SYMBOL
V
CC
V
IH
V
IL
MIN
4.5
2.0
–0.3
TYP
5.0
MAX
5.5
V
CC
+0.3
+0.8
UNITS
V
V
V
(0°C to 70°C)
NOTES
1
1
1
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Input Leakage
Output Current @ 2.4V
Output Current @ 0.4V
Low Level @ RST
Output Voltage @ –500 uA
Operating Current (CMOS)
Operating Current (TTL)
V
CC
Trip Point (TOL = GND)
V
CC
Trip Point (TOL = V
CC
)
SYMBOL
I
IL
I
OH
I
OL
V
OL
V
OH
I
CC1
I
CC2
V
CCTP
V
CCTP
4.50
4.25
200
4.62
4.37
V
CC
–0.5V
V
CC
–0.1V
MIN
–1.0
–8
10
–10
TYP
(0°C to 70°C; V
CC
= 4.5 to 5.5V)
MAX
+1.0
UNITS
µA
mA
mA
0.4
V
V
50
500
4.74
4.49
µA
µA
V
V
1
1, 7
2
8
1
1
NOTES
3
5
CAPACITANCE
PARAMETER
Input Capacitance
Output Capacitance
SYMBOL
C
IN
C
OUT
MIN
TYP
MAX
5
7
UNITS
pF
pF
(t
A
= 25°C)
NOTES
062698 6/7
DALLAS [ DALLAS SEMICONDUCTOR ]
