DS1232+ Dallas Semiconductor, DS1232+ Datasheet - Page 7

• Manufacturer Part Number: DS1232+
• Description: uP Supervisor, 4.75 or 4.5 V Monitor, Watchdog Timer, DIP8
• Manufacturer: Dallas Semiconductor
• Type: Monitor Chipr

Specifications of DS1232+

• Current, Output: -10 mA (High), +10 mA (Low)
• Current, Supply: 0.5 mA
• Package Type: PDIP
• Temperature, Operating, Range: 0 to +70 °C
• Time, Fall: 300 μs
• Voltage, Input: 5.8 V (High), 0.8 V (Low)
• Voltage, Output, High: 5.4 V
• Voltage, Output, Low: 0.4 V
• Voltage, Supply: 5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

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