Datasheet

DS1233A
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 Range -40°C to +85°C
Storage Temperature Range -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 (-40C to +85C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Supply Voltage V
CC
1.2 3.3 5.5 V 1
DC ELECTRICAL CHARACTERISTICS (-40C to +85C; V
DD
= 3.3V  10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Low Level @ RST
V
OL
0.4 V 1
Output Current @ 0.4V I
OL
+8 mA
Operating Current I
CC
50
A
V
CC
Trip Point 10% V
CCTP1
2.80 2.88 2.97 V 1
V
CC
Trip Point 15% V
CCTP2
2.64 2.72 2.80 V 1
Output Capacitance C
OUT
10 pF
Pushbutton Detect PB
DV
0.8 2.0 V 1
Pushbutton Release PB
RD
0.3 0.8 V 1, 2
Internal Pull-Up Resistor R
P
3.75 5 6.25
k
AC ELECTRICAL CHARACTERISTICS (-40C to +85C; V
CC
= 3.3V  10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Reset Active Time t
RST
250 350 450 ms
V
CC
Detect to RST
t
RPD
100 ns
V
CC
Slew Rate (2.85V - 2.3V) t
F
300
s
V
CC
Slew Rate (2.3V - 2.85V) t
R
0 ns
Pushbutton Debounce PB
DB
250 350 450 ms
V
CC
Detect to RST t
RPU
250 350 450 ms
NOTES:
1) All voltages are referenced to ground.
2) With a 100pF to 0.01F capacitor connected from RST to ground.
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