參數(shù)資料
型號: DS1706L
英文描述: 3.3 and 5.0 Volt MicroMonitor
中文描述: 3.3和5.0伏特MicroMonitor
文件頁數(shù): 9/10頁
文件大?。?/td> 76K
代理商: DS1706L
DS1705/DS1706
011296 9/10
AC ELECTRICAL CHARACTERISTICS
(–40
°
C to +85
°
C; V
CC
=1.2V to 5.5V)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
PBRST = V
IL
t
PB
150
ns
Reset Active Time
t
RST
130
205
285
ms
ST Pulse Width
t
ST
10
ns
6
V
CC
Detect to RST and RST
t
RPD
5
8
μ
s
9
V
CC
Slew Rate
t
F
20
μ
s
V
CC
Detect to RST and RST
t
RPU
130
205
285
ms
7
V
CC
Slew Rate
t
R
0
ns
PBRST Stable Low to RST and
RST
t
PDLY
250
ns
Watchdog Timeout
t
TD
1.0
1.6
2.2
s
8
VIN Detect to NMI
t
IPD
5
8
μ
s
9
NOTES:
1. All voltages are referenced to ground.
2. PBRST is internally pulled up to V
CC
with an internal impedance of 40K
typical and the ST input is internally
pulled up to V
CC
with an internal impedance of 180K
typical.
3. V
CC
2.4 volts
4. V
CC
< 2.4 volts
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 timeout tested at 2.7 volts for the 3.3 volt devices and 4.5 volts for the 5.0 volt devices.
9. Noise immunity – pulses < 2
μ
s at V
CCTP
minimum will not cause a reset.
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