DS1233M Datasheet, PDF (4/4 Pages) Dallas Semiconductor – EconoReset

DS1233M
ABSOLUTE MAXIMUM RATINGS*
Voltage on V_CC Pin Relative to Ground
Voltage on I/O Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.5V to +7.0V
–0.5V to V_CC + 0.5V
–40°C to +85°C
-55°C to +125°C
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
5.5
V
1
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
(–40°C to +85°C; V_CC = 1.2V to 5.5V)
TYP
MAX
UNITS NOTES
Output Voltage @ –500 µA
V_OH
V_CC–0.5V V_CC–0.1V
V
1
Output Current @ 0.4V
I_OL
+8
mA
2, 3
Operating Current
I_CC
50
µA
4
V_CC Trip Point (DS1233M–5)
V_CCTP
4.25
4.375
4.49
V
1
V_CC Trip Point (DS1233M–55)
V_CCTP
4.5
4.625
4.75
V
1
V_CC Trip Point (DS1233M–3)
V_CCTP
2.64
2.72
2.8
V
1
Output Capacitance
C_OUT
10
pF
Internal Pull-Up Resistor
R_P
3.75
5
6.50
KΩ
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
Reset Active Time
V_CC Detect to RST
V_CC Slew Rate (V_HTL – V_LTL)
V_CC Slew Rate (V_LTL – V_HTL)
V_CC detect to RST
t_RST
200
t_RPD
t_F
300
t_R
0
t_RPU
200
(–40°C to +85°C; V_CC = 1.2V to 5.5V)
TYP
MAX
UNITS NOTES
350
500
ms
2
10
µs
µs
ns
350
500
ms
5
NOTES:
1. All voltages are referenced to ground.
2. Measured with V_CC  2.7V.
3. A 1KΩ external resistor may be required in some applications for proper operation of the microprocessor
reset control circuit.
4. Measured with outputs open.
5. t_R = 5 µs.
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