DS1232+ Maxim Integrated Products, DS1232+ Datasheet - Page 7

• Manufacturer Part Number: DS1232+
• Description: IC MICRO MONITOR CHIP 8-DIP
• Manufacturer: Maxim Integrated Products
• Series: MicroMonitor™r
• Type: Simple Reset/Power-On Resetr

Specifications of DS1232+

• Number Of Voltages Monitored: 1
• Output: Open Drain, Push-Pull
• Reset: Active High/Active Low
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: 4.37V, 4.62V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Monitored Voltage: 4.5 V to 5.5 V
• Undervoltage Threshold: 4.25 V
• Overvoltage Threshold: 4.49 V
• Manual Reset: Resettable
• Watchdog: Yes
• Battery Backup Switching: No
• Power-up Reset Delay (typ): 1000 ms
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Supply Current (typ): 2000 uA
• Mounting Style: Through Hole
• Maximum Operating Temperature: + 70 C
• Chip Enable Signals: No
• Minimum Operating Temperature: 0 C
• Operating Supply Voltage: 5 V
• Output Type: Active High or Active Low or Open Drain or Push-Pull
• Power Fail Detection: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC ELECTRICAL CHARACTERISTICS
NOTES:
1. All voltages referenced to ground.
2. Measured with outputs open.
3.
4. t
5.
6. Must not exceed t
7. RST remains within 0.5V of V
8. Watchdog can not be disabled. It must be strobed to avoid resets.
PARAMETER
RESET Active Time
V
V
V
V
PBRST
ST
PBRST
CC
CC
CC
CC
0.5V of GND on power-down until V
PBRST
RST
R
Pulse Width
Fail Detect to RST and
Slew Rate 4.75V to 4.25V
Detect to RST and
Slew Rate 4.25V to 4.75V
= 5 μs.
= V
Stable Low to RST and
is an open-drain output.
is internally pulled up to V
IL
TD
minimum. See Table 1.
RST
RST
Transition
RST
CC
CC
on power-down until V
with an internal impedance of 10k typical.
CC
SYMBOL
drops below 2.0V.
t
t
t
t
PDLY
t
t
RST
RPD
RPU
t
t
PB
ST
R
F
7 of 7
MIN
250
300
250
20
20
0
CC
drops below 2.0V.
(0°C to 70°C; V
TYP
610
100
610
5
MAX
1000
1000
175
20
RST
UNITS
CC
ms
ms
ms
ms
μs
μs
μs
=5V ± 10%)
ns
DS1232/DS1232S
remains within
NOTES
6, 8
4