DS1232/DS1232S
6 of 7
ABSOLUTE MAXIMUM RATINGS*
Voltage on V CC Pin Relative to Ground -0.5V to +7.0V
Voltage on I/O Relative to Ground -0.5V to V
CC
+ 0.5V
Operating Temperature 0°C to 70°C
Operating Temperature (Industrial Version) -40°C to +85°C
Storage Temperature -55°C to +125°C
Soldering Temperature 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 (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Supply Voltage V
CC
4.5 5.0 5.5 V 1
ST and PBRST Input High Level
V
IH
2.0 V
CC
+0.3 V 1
ST and PBRST Input Low Level
V
IL
-0.3 +0.8 V 1
DC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V
CC
=4.5 to 5.5V)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Leakage I
IL
-1.0 +1.0
μA
3
Output Current @ 2.4V I
OH
-8 -10 mA 5
Output Current @ 0.4V I
OL
8 10 mA
Low Level @ RST V
OL
0.4 V 1
Output Voltage @ -500 μA
V
OH
V
CC
-0.5V
V
CC
-0.1V
V 1, 7
Operating Current I
CC
0.5 2.0 mA 2
V
CC
Trip Point (TOL=GND) V
CCTP
4.50 4.62 4.74 V 1
V
CC
Trip Point (TOL=V
CC
) V
CCTP
4.25 4.37 4.49 V 1
CAPACITANCE (t
A
=25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
5 pF
Output Capacitance C
OUT
7 pF
