DS1232LPN

DS1232LP/LPS
4 of 7
TIMING DIAGRAM: PUSHBUTTON RESET Figure 3
TIMING DIAGRAM: STROBE INPUT Figure 4
WATCHDOG TIME-OUTS Table 1
TIME-OUT
TD
MIN TYP MAX
GND 62.5 ms 150 ms 250 ms
Float 250 ms 600 ms 1000 ms
V
CC
500 ms 1200 ms 2000 ms
DS1232LP/LPS
5 of 7
TIMING DIAGRAM: POWER-DOWN Figure 5
TIMING DIAGRAM: POWER-UP Figure 6
DS1232LP/LPS
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
10 mA
Low Level @ RST V
OL
0.4 V 1
Output Voltage @ -500 uA V
OH
V
CC
-0.5V
V
CC
-0.1V
V 1, 7
Output Current (CMOS) I
CC1
50
µA
2
Operating Current (TTL) I
CC2
200 500
µA
8
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
5pF
Output Capacitance C
OUT
7pF

DS1232LPN

Mfr. #:
Manufacturer:
Maxim Integrated
Description:
Supervisory Circuits Low Power MicroMonitor Chip
Lifecycle:
New from this manufacturer.
Delivery:
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