參數(shù)資料
型號(hào): DS1708TESA
英文描述: 3.3 and 5.0-Volt MicroMonitor(102.29 k)
中文描述: 3.3和5.0伏MicroMonitor(102.29十一)
文件頁數(shù): 9/10頁
文件大?。?/td> 183K
代理商: DS1708TESA
DS1705/DS1706
9 of 10
AC ELECTRICAL CHARACTERISTICS
(-40
°
C to +85
°
C; V
CC
=1.2V to 5.5V)
PARAMETER
SYMBOL
t
PB
MIN
150
TYP
MAX
UNITS
ns
NOTES
PBRST
= V
IL
Reset Active Time
t
RST
t
ST
130
10
205
285
ms
ns
ST
Pulse Width
6
V
CC
Detect to RST and
RST
V
CC
Slew Rate
t
RPD
5
8
μ
s
μ
s
ms
9
t
F
20
130
V
CC
Detect to RST and
RST
V
CC
Slew Rate
t
RPU
205
285
7
t
R
0
ns
ns
PBRST
Stable Low to RST and
RST
Watchdog Timeout
t
PDLY
250
t
TD
t
IPD
1.0
1.6
5
2.2
8
s
8
9
VIN Detect to
NMI
μ
s
NOTES:
1.
All voltages are referenced to ground.
2.
PBRST
is internally pulled up to V
CC
with an internal impedance of 40 k
=
typical and the
ST
input is
internally pulled up to V
CC
with an internal impedance of 180 k
=
typical.
3.
V
CC
2.4V.
4.
V
CC
< 2.4V.
5.
Measured with outputs open and all inputs at V
CC
or ground.
6.
Must not exceed t
TD
minimum.
7.
t
R
= 5
μ
s.
8.
Minimum watchdog time-out tested at 2.7V for the 3.3V devices and 4.5V for the 5.0V devices.
9.
Noise immunity
pulses < 2
μ
s at V
CCTP
minimum will not cause a reset.
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參數(shù)描述
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