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
(T
A
= -40°C to +85°C)
PARAMETER
Supply Voltage
SYMBOL
V
CC
MIN
0
TYP
MAX
5.5
UNITS
V
NOTES
1
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 1.2V to 5.5V, T
A
= -40°C to +85°C.)
PARAMETER
SYMBOL
Output Current at 0.4V
I
OL
Voltage Input Low
V
IL
Voltage Input High
Operating Current V
CC
< 5.5
DS1813-5
V
CC
Trip Point
DS1813-10
DS1813-15
Internal Pullup Resistor
Output Capacitance
R
P
C
OUT
V
CCTP
V
IH
I
CC
4.50
4.25
4.00
3.50
MIN
10
0.4
0.7 x
V
CC
30
4.62
4.35
4.13
5.5
40
4.75
4.49
4.24
7.5
10
kΩ
pF
6
V
1
TYP
MAX
UNITS
mA
V
V
µA
NOTES
2, 3
1
1
4
AC ELECTRICAL CHARACTERISTICS
(V
CC
= 1.2V to 5.5V, T
A
= -40°C to +85°C.)
PARAMETER
SYMBOL
Reset Active Time
t
RST
V
CC
Detect to
RST
t
RPD
V
CC
Slew Rate
(V
CCTP
(
MAX
) - V
CCTP(MIN)
)
V
CC
Slew Rate
(V
CCTP(MIN)
- V
CCTP(MAX)
)
V
CC
Detect to
RST
Pushbutton Detect to
RST
Pushbutton Reset
t
F
t
R
t
RPU
t
PB
t
PBRST
MIN
100
TYP
150
2
300
0
100
1
100
150
300
150
300
MAX
300
5
UNITS
ms
µs
µs
ns
ms
µs
ms
5
7
NOTES
4 of 5
DS1813
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
RST
output open.
5) t
R
= 5µs.
6) V
OH
and I
OH
are a function of the value of R
P
and the associated output load conditions.
7) This value is for reference in defining values for t
RPD
and should not be considered a requirement for
proper operation or use of the device.
PART MARKING CODES
“A,” “B,” and “C” represent the device type.
810 . . . . DS1810
811 . . . . DS1811
812 . . . . DS1812
813 . . . . DS1813
815 . . . . DS1815
816 . . . . DS1816
817 . . . . DS1817
818 . . . . DS1818
“D” represents the device tolerance.
A . . . . . . 5%
B . . . . . . 10%
C . . . . . . 15%
D . . . . . . 20%
5 of 5
Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim/Dallas Semiconductor product.
No circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
The Maxim logo is a registered trademark of Maxim Integrated Products, Inc. The Dallas logo is a registered trademark of Dallas Semiconductor Corporation.
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