SP6339 Datasheet, PDF (4/13 Pages) Sipex Corporation – Triple μPower Supervisory Circuit with Manual Reset and Watchdog

ELECTRICAL CHARACTERISTICS
PARAMETER MIN TYP MAX UNITS CONDITIONS
V1 = 1.6V to 5.5V; TA = -40ºC to +85ºC; unless otherwise noted. Typical values are at TA =+25ºC
V3 RESET COMPARATOR INPUT
V3 Input Threshold
490
500
510
mV
V3 Input Current
-50
50
nA
V3 Threshold
Hysteresis
1.5
mV
MRIB - MANUAL RESET INPUT
MRIB Input
Threshold
0.4
V
MRIB Input
Threshold
0.8*V1
V
MRIB Minimum
Input Pulse Width
1
us
MRIB Glitch
Rejection
150
ns
MRIB to RST/RSTB
Delay
100
ns
MRIB Pull-Up
Resistance
30
55
85
kΩ
WDI - WATCHDOG INPUT
Watchdog Timeout
Period
1.2
1.6
2
sec
WDI Pulse Width
0.1
WDI Input
Threshold
us
0.4
V
WDI Input
Threshold
0.8*V1
V
WDI Input Current
-500
500
nA
RESET / WATCHDOG OUTPUTS
RSTB / WDOB
TA = +25ºC
Vil
Vih
Vil
Vih
WDI = 0.0V or V1
RSTB
(CMOS or OD)
0.4
V ^{V1 = Vth1 - 0.1V, Isink = 1mA,}
output asserted
RSTB (CMOS)
0.8*V1
V
V1 = Vth1 + 0.1V, Isource =
1mA, output not asserted
WDI = 0.0V or V1, V1 > Vth1,
WDOB (CMOS or
OD)
0.4
V
V2 > Vth2, V3 > 0.5, MRIB float,
Isink = 1mA, WDOB output
asserted
V1 > Vth1, V2 > Vth2, V3 > 0.5,
WDOB (CMOS)
0.8*V1
V MRIB float, WDOB not
asserted, Isource = 1mA
RSTB / WDOB
Output OD Leakage
2
nA TA = +25ºC
Current
Nov 20-06 Rev J
SP6339-SP6341 Triple µPower Supervisory Circuit
4
© Copyright 2006 Sipex Corporation