DS1706 Dallas, DS1706 Datasheet - Page 9

• Manufacturer Part Number: DS1706
• Description: 3.3 and 5.0 Volt MicroMonitor
• Manufacturer: Dallas

AC ELECTRICAL CHARACTERISTICS
NOTES:
1. All voltages are referenced to ground.
2. PBRST is internally pulled up to V
3. V
4. V
5. Measured with outputs open and all inputs at V
6. Must not exceed t
7. t
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 s at V
PARAMETER
PBRST = V
Reset Active Time
ST Pulse Width
V
V
V
V
PBRST Stable Low to RST and
RST
Watchdog Timeout
VIN Detect to NMI
CC
CC
CC
CC
pulled up to V
R
CC
CC
Detect to RST and RST
Slew Rate
Detect to RST and RST
Slew Rate
= 5 s
< 2.4 volts
2.4 volts
IL
CC
with an internal impedance of 180K typical.
TD
minimum.
CC
SYMBOL
CCTP
t
t
t
t
PDLY
with an internal impedance of 40K typical and the ST input is internally
t
RPD
RPU
t
RST
t
t
IPD
PB
ST
t
t
TD
R
F
minimum will not cause a reset.
CC
MIN
150
130
130
1.0
or ground.
10
20
0
TYP
205
205
1.6
5
5
(–40 C to +85 C; V
MAX
285
285
250
2.2
8
8
UNITS
ms
ms
ns
ns
ns
ns
s
CC
s
s
s
=1.2V to 5.5V)
DS1705/DS1706
NOTES
011296 9/10
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