DS1231-35+ Dallas Semiconductor, DS1231-35+ Datasheet - Page 8

• Manufacturer Part Number: DS1231-35+
• Description: uP Supervisor, 4.75 or 4.5 V Monitor, DIP8
• Manufacturer: Dallas Semiconductor
• Type: Monitor Chipr

Specifications of DS1231-35+

• Current, Output: 2 mA (High), 3 mA (Low)
• Current, Supply: 0.5 mA
• Package Type: PDIP
• Temperature, Operating, Range: 0 to +70 °C
• Time, Fall: 300 μs
• Voltage, Input: 5 V
• Voltage, Output, High: 4.9 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. V
3. Measured with outputs open.
4. t
5. RST is an open drain output and requires a pull–up resister.
6. RST remains within 0.5V of V
TIMING DIAGRAM: POWER-UP
DS1231/S
022698 8/9
PARAMETER
V
V
V
V
V
V
TP
CC
CC
CC
CC
CC
GND on power–down until V
R
CC
to NMI Delay
Slew Rate 4.75-4.25V
Detect to RST and RST
Detect to NMI
Detect to RST and RST
Slew Rate 4.25-4.75V
= 5 s.
= +5.0 volts with outputs open.
MODE=V
INPUT PIN 1
MODE=GND
V
NMI
CC
CC
V
TP
CC
CC
drops below 2.0V.
4.25V
on power–down until V
4.5V
SYMBOL
t
t
t
t
RPD
RPU
IPD
IPU
t
t
R
F
RST
4.75V
t
IPU
RST
MIN
300
150
t
0
R
V
OH
CC
drops below 2.0V. RST remains within 0.5V of
t
RPU
TYP
500
(0 C to 70 C; V
MAX
1000
100
200
1.1
V
V
OH
OL
UNITS
ms
ns
ns
s
s
s
CC
= 5V + 10%)
NOTES
4
4