Datasheet

DS1707/DS1708
8 of 10
AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; V
CC
=1.2V to 5.5V)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
PBRST = V
IL
t
PB
150 ns
Reset Active Time t
RST
130 205 285 ms
V
CC
Detect to RST and RST
t
RPD
5 8
ms
7
V
CC
Slew Rate t
F
20
ms
V
CC
Detect to RST and RST
t
RPU
130 205 285 ms 6
V
CC
Slew Rate t
R
0 ns
PBRST Stable Low to RST and RST
t
PDLY
250 ns
VIN Detect to NMI
t
IPD
5 8
ms
7
NOTES:
1. All voltages are referenced to ground.
2. PBRST is internally pulled up to V
CC
with an internal impedance of 40 kW 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. t
R
= 5 ms
7. Noise immunity - pulses < 2 ms at V
CCTP
minimum will not cause a reset.