APX823 Diodes, Inc., APX823 Datasheet - Page 6

• Manufacturer Part Number: APX823
• Description: Processor Supervisory Circuits
• Manufacturer: Diodes, Inc.

Timing requirements
Switching Characteristics
APX823/APX824/APX825A Rev. 2
Symbol
Symbol
t
t
t
t
PHL
PLH
tout
t
W
d
Pulse
Width
Watchdog Time Out
Delay Time
Propagation (Delay)
Time,
High-to-low-level
Output
Propagation (Delay)
Time,
Low-to-high-level
Output
Parameter
at MR
at WDI
Parameter
V
V
APX823/APX824/APX825A
APX823/APX824/APX825A
delay (APX823/APX825A)
V
(APX824/APX825A)
V
(APX824/APX825A)
MR to
MR to RESET delay
CC
CC
CC
CC
(at R
> V
> V
to
to RESET delay
TH-
TH-
L
RESET
=1mΩ, C
+0.2V, V
+0.2V, V
(at R
RESET
www.diodes.com
Test Conditions
L
=1mΩ, C
delay
L
IL
IL
6 of 12
=50pF, T
=0.3
=0.3
APX823/APX824/APX825A
×
×
L
PROCESSOR SUPERVISORY CIRCUITS
V
V
=50pF, T
CC
CC
A
=25
, V
, V
V
See timing diagram
V
See timing diagram
V
V
V
V
V
V
V
V
V
V
CC
CC
CC
IL
IH
IL
IH
CC
IL
IH
IL
IH
IH
IH
Test Conditions
o
=0.3
= V
=0.3
= V
=0.7
= V
=0.7
= V
=0.7
=0.7
C)
> V
> V
> V
> V
A
=25
TH-
TH-
TH-
TH-
TH-
TH-
TH-
TH-
×
×
×
×
×
×
-0.2V,
-0.2V,
+0.2V
+0.2V
V
V
V
V
+0.2V,
+0.2V,
+0.2V,
+0.2V,
V
V
o
CC
CC
C)
CC
CC
CC
CC
,
,
Min
100
50
1.12
Min Typ. Max Unit
140
-
-
-
-
Typ.
-
-
©
200
1.6
Diodes Incorporated
-
-
-
-
MARCH 2008
Max
280
-
-
2.4
0.1
0.1
25
25
Unit
ms
μs
μs
μs
μs
ns
ns
s