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
V –1.5V
CC
Typ
Max
Units
RESET Output Voltage
IMP706P
V
I
= 800µA, 4.5V < V < 5.5V
V
OH
SOURCE
CC
V
V
0.4
I
I
I
I
= 3.2mA, 4.5V < V < 5.5V
OL
SINK
CC
RST (MAX)
= 500µA, V
< V < 3.6V
0.8V
CC
OH
SOURCE
CC
V
= 1.2mA, V
< V < 3.6V
0.3
0.4
OL
SINK
RST (MAX)
CC
RESET Output Voltage,
IMP708R/S/T/J
V
= 800µA, 4.5V < V < 5.5V
V –1.5V
CC
V
s
OH
SOURCE
CC
V
V
I
I
I
= 3.2mA, 4.5V < V < 5.5V
OL
SINK
CC
RST (MAX)
= 500µA, V
< V < 4.5V
0.8V
CC
OH
SOURCE
CC
V
= 1.2mA, V
< V < 4.5V
0.3
OL
SINK
RST (MAX)
CC
Watchdog Timeout Period
t
V
V
V
= 3V (IMP706, P/R devices)
= 3.3V (IMP706, S/T devices)
= 4.4V (IMP706, J devices)
1.0
1.6
2.25
WD
CC
CC
CC
WDI Pulse Width
WDI Pulse Width
WDI Input Threshold
t
t
V
V
V
= 0.4V, V = 0.8V , V
< V < 4.5V
100
50
ns
ns
V
WP
IL
IH
CC
RST (MAX)
CC
= 0.4V, V = 0.8V , 4.5V < V < 5.5V
WP
IL
IH
CC
CC
V
= 5V
3.5
IH
CC
V
V
0.8
IL
V
< V < 4.5V
CC
0.7V
IH
RST (MAX)
CC
V
0.6
IL
WDI Input Current
WDI Input Current
WDO Output Voltage
50
150
µA
µA
V
WDI = V , IMP706 Only
CC
–150
V –1.5V
CC
–50
WDI = 0V, IMP706 Only
V
I
I
I
= 800µA, 4.5V < V < 5.5V
OH
SOURCE
CC
V
V
= 1.2mA, 4.5V < V < 5.5V
0.4
OL
SINK
CC
RST (MAX)
= 500µA, V
< V < 4.5V
CC
0.8V
OH
SOURCE
CC
V
I
= 500µA, V
< V < 4.5V
0.3
1.3
OL
SINK
RST (MAX)
CC
PFI Input Threshold
PFI falling. For P/R devices V = 3V. For S/T
devices V = 3.3V. For J devices V = 4.4V.
1.2
1.25
0.01
V
CC
CC
CC
PFI Input Current
–25
25
0.4
0.3
nA
V
PFO Output Voltage
V
I = 800µA, 4.5V < V < 5.5V
SOURCE CC
V
–1.5V
OH
CC
I
= 3.2mA, 4.5V < V < 5.5V
V
V
SINK
CC
RS (MAX)
OL
I
I
= 500µA, V
< V < 4.5V
0.8V
CC
OH
SOURCE
CC
= 1.2mA, V
< V < 4.5V
CC
V
SINK
RS (MAX)
OL
408-432-9100/www.impweb.com
© 1999 IMP, Inc.
4
IMP [ IMP, INC ]
