IMP706P/R/S/T/J, IMP708R/S/T/J
Electrical Characteristics (cont.)
Unless otherwise noted, specifications are over the operating temperature range and VCC supply voltages are 2.7V to 5.5V (IMP706P,
IMP708R), 3.0V to 5.5V (IMP706/8S), 3.15V to 5.5V (IMP706/8T) and 4.1V to 5.5V (IMP706/8J).
Parameter
Symbol Conditions
Min
Typ
Max
Units
RESET Output Voltage
IMP706P
VOH
ISOURCE = 800µA, 4.5V < VCC < 5.5V
VCC–1.5V
V
VOL
0.4
ISINK = 3.2mA, 4.5V < VCC < 5.5V
VOH
VOL
VOH
VOL
ISOURCE = 500µA, VRST (MAX) < VCC < 3.6V
ISINK = 1.2mA, VRST (MAX) < VCC < 3.6V
ISOURCE = 800µA, 4.5V < VCC < 5.5V
0.8VCC
0.3
0.4
RESET Output Voltage,
IMP708R/S/T/J
VCC–1.5V
V
s
ISINK = 3.2mA, 4.5V < VCC < 5.5V
VOH
ISOURCE = 500µA, VRST (MAX) < VCC < 4.5V
0.8VCC
1.0
VOL
tWD
ISINK = 1.2mA, VRST (MAX) < VCC < 4.5V
VCC = 3V (IMP706, P/R devices)
0.3
Watchdog Timeout Period
1.6
2.25
V
V
CC = 3.3V (IMP706, S/T devices)
CC = 4.4V (IMP706, J devices)
WDI Pulse Width
WDI Pulse Width
WDI Input Threshold
tWP
tWP
VIH
VIL
VIH
VIL
VIL = 0.4V, VIH = 0.8VCC, VRST (MAX) < VCC < 4.5V
VIL = 0.4V, VIH = 0.8VCC, 4.5V < VCC < 5.5V
VCC = 5V
100
50
ns
ns
V
3.5
0.8
VRST (MAX) < VCC < 4.5V
WDI = VCC, IMP706 Only
0.7VCC
0.6
WDI Input Current
WDI Input Current
WDO Output Voltage
50
150
µA
µA
V
–150
–50
WDI = 0V, IMP706 Only
VOH
VOL
VOH
ISOURCE = 800µA, 4.5V < VCC < 5.5V
ISINK = 1.2mA, 4.5V < VCC < 5.5V
ISOURCE = 500µA, VRST (MAX) < VCC < 4.5V
VCC–1.5V
0.4
0.8VCC
VOL
ISINK = 500µA, VRST (MAX) < VCC < 4.5V
0.3
1.3
PFI Input Threshold
PFI falling. For P/R devices VCC = 3V. For S/T
devices VCC = 3.3V. For J devices VCC = 4.4V.
1.2
1.25
0.01
V
PFI Input Current
–25
25
0.4
0.3
nA
V
PFO Output Voltage
VOH
VOL
VOH
VOL
ISOURCE = 800µA, 4.5V < VCC < 5.5V
V
CC–1.5V
ISINK = 3.2mA, 4.5V < VCC < 5.5V
ISOURCE = 500µA, VRS (MAX) < VCC < 4.5V
0.8VCC
ISINK = 1.2mA, VRS (MAX) < VCC < 4.5V
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© 1999 IMP, Inc.
4
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