DS1834/A/D
7 of 7
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
2ms
PBRST Stable Low to Reset
Active
t
PDLY
2ms
Reset Active Time t
RST
200 350 500 ms
V
CC
Detect to RST (or RST)
t
RPD
2 µs8
V
CC
Slew Rate (V
INTP(MAX)
to
V
INTP(MIN)
)
t
F
300 µs
V
CC
Slew Rate (V
INTP(MIN)
to
V
INTP(MAX)
)
t
R
0ns
V
CC
Detect to RST (or RST)
t
RPU
200 350 500 ms 9
NOTES:
1. All voltages are referenced to ground.
2. Measured with both 3.3V
IN
and 5V
IN
=2.7V.
3. Measured with both 3.3V
IN
and 5V
IN
=2.7V.
4. PBRST is internally pulled up to V
IN(MAX)
input with an internal impedance of approximately 40 kΩ.
5. Measured with either 3.3V
IN
or 5V
IN
=2.7V (valid for DS1834 and DS1834D only).
6. Measured with outputs open and both 3.3V
IN
and 5V
IN
=5.5V.
7. Measured with outputs open and both 3.3V
IN
and 5V
IN
=3.6V.
8. Noise immunity - pulses < 2 µs @ V
CCTP
minimum will not generate a reset.
9. t
R
=5 µs.
MARKING:
DS1834 DS1834A DS1834D
8-pin DIP DS1834 DS1834A DS1834D
8-pin SOIC DS1834 DS1834A DS1834D
8-pin -SOP
834 834A 834D
