CAT705, CAT706, CAT813
ELECTRICAL OPERATING CHARACTERISTICS (continued)
V
CC
= 4.50V to 5.5V for CAT705, CAT706 & CAT813 versions;
V
CC
= 3.0V to 3.6V for the CAT706 R/S/T version,
-40°C
≤
T
A
≤
+85°C unless otherwise noted.
Typical values at T
A
= 25°C and V
CC
= 5V for CAT705, CAT706, & CAT813 versions;
V
CC
= 3.3V for the CAT706 T/S versions; V
CC
= 3.0V for the CAT706 R version.
Symbol
t
WD
t
WDI
V
IL
V
IH
Parameter
Watchdog Timeout Period
WDI Pulse Width
WDI Input Voltage
WDI Input Current
WDO Output Voltage
WDI = V
CC
, Time Average
WDI = 0V, Time Average
I
SOURCE
= -800µA
I
SINK
= 1.2mA
-150
V
CC
– 1.5
V
IL
= 0.4V, V
IH
= 0.8 x V
CC
Conditions
Min
1.00
50
0.3 x V
CC
0.7 x V
CC
50
-50
V
CC
– 0.25
0.1
0.4
0.3 x V
CC
0.7 x V
CC
¯¯¯ = 0V
MR
40
1
5
V
CC
= 5V
I
SOURCE
= -800µA
I
SINK
= 3.2mA
1.2
-25
V
CC
- 1.5V
0.4
1.25
0.01
1.3
25
70
140
150
Typ
1.60
Max
2.25
Units
s
ns
V
µA
V
WATCHDOG INPUT (CAT705, CAT706 & CAT813)
MANUAL RESET INPUT(CAT705, CAT706 & CAT813)
V
IL
V
IH
t
PB
t
PDLY
¯¯¯ Input Voltage
MR
¯¯¯ Pull-up Current
MR
¯¯¯ Pulse Width
MR
¯¯¯ low to Reset Delay
MR
PFI Input Threshold
PFI Input Current
¯¯¯¯ Output Voltage
PFO
V
µA
µs
µs
V
nA
V
V
Notes:
(3) WDI is internally serviced within the watchdog period if WDI is left open.
(4) The WDI input current is specified as an average input current when the WDI input is driven high or low. The WDI input if connected to a
three-stated output device can be disabled in the tristate mode as long as the leakage current is less than 10µA and a maximum
capacitance of less than 200pF. To clock the WDI input in the active mode the drive device must be able to source or sink at least 200µA
when active.
¯¯¯¯¯¯
(5) RESET for CAT705 & CAT706 & RESET for CAT813.
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
5
Doc. No. MD-3030, Rev. A
CATALYST [ CATALYST SEMICONDUCTOR ]
