cat813zi-g Catalyst Semiconductor, cat813zi-g Datasheet - Page 5

• Manufacturer Part Number: cat813zi-g
• Description: ?p Supervisory Circuits
• Manufacturer: Catalyst Semiconductor

ELECTRICAL OPERATING CHARACTERISTICS (continued)
V
V
-40°C ≤ T
Typical values at T
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
(5) RESET
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
WATCHDOG INPUT (CAT705, CAT706 & CAT813)
MANUAL RESET INPUT(CAT705, CAT706 & CAT813)
CC
CC
CC
Symbol
= 4.50V to 5.5V for CAT705, CAT706 & CAT813 versions;
= 3.0V to 3.6V for the CAT706 R/S/T version,
= 3.3V for the CAT706 T/S versions; V
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.
¯¯¯¯¯¯ for CAT705 & CAT706 & RESET for CAT813.
t
t
t
V
V
PDLY
V
V
t
WDI
WD
PB
IH
IH
IL
IL
A
≤ +85°C unless otherwise noted.
Parameter
Watchdog Timeout Period
WDI Pulse Width
WDI Input Voltage
WDI Input Current
WDO Output Voltage
¯¯¯ Input Voltage
¯¯¯ Pull-up Current
¯¯¯ Pulse Width
¯¯¯ low to Reset Delay
MR
MR
MR
MR
PFI Input Threshold
PFI Input Current
¯¯¯¯ Output Voltage
PFO
A
= 25°C and V
(4)
(3)
CC
= 5V for CAT705, CAT706, & CAT813 versions;
(5)
CC
Conditions
V
WDI = V
WDI = 0V, Time Average
I
I
¯¯¯ = 0V
MR
= 3.0V for the CAT706 R version.
SOURCE
SINK
V
I
I
SOURCE
SINK
IL
CC
= 0.4V, V
= 1.2mA
= 5V
= 3.2mA
= -800µA
= -800µA
CC
, Time Average
IH
5
= 0.8 x V
CC
V
V
0.7 x V
0.7 x V
CC
CC
1.00
-150
Min
-25
1.2
50
40
- 1.5V
1
– 1.5
CC
CC
CAT705, CAT706, CAT813
V
CC
1.60
1.25
0.01
Typ
-50
0.1
50
70
– 0.25
0.3 x V
0.3 x V
Doc. No. MD-3030, Rev. A
2.25
Max
150
140
0.4
1.3
0.4
25
5
CC
CC
Units
µA
µA
nA
ns
µs
µs
V
V
V
V
V
V
s