APX823/APX824/APX825A
PROCESSOR SUPERVISORY CIRCUITS
APX823/APX824/APX825A
Document number: DS31323 Rev. 4 - 2
4 of 12
www.diodes.com
May 2011
© Diodes Incorporated
Electrical Characteristics (Over recommended operating ambient temperature range, unless otherwise noted)
Symbol Parameter Test Conditions Min Typ. Max Unit
V
OH
High-level
Output Voltage
RESET
APX823/APX824/APX825A -
29/26/23
V
CC
= V
TH-
+0.2V
I
OH
=-20μA
0.8
V
CC
- - V
APX823/APX824/APX825A -
40/31
V
CC
= V
TH-
+0.2V
I
OH
=-30μA
APX823/APX824/APX825A
–46/44
V
CC
= V
TH-
+0.2V
I
OH
=-120μA
V
CC
-1.5V
- - V
RESET
APX824/APX825A
-29/26/23
V
CC
> 1.8V,
I
OH
= -100μA
0.8
V
CC
- - V
APX824/APX825A -
46/44/40/31
V
CC
> 1.8V,
I
OH
= -150μA
V
OL
Low-level
Output Voltage
RESET
APX824/APX825A
-29/26/23
V
CC
= V
TH-
+0.2V
I
OL
=1mA
- - 0.4 V APX824/APX825A -40/31
V
CC
= V
TH-
+0.2V
I
OL
=1.2mA
APX824/APX825A -46/44
V
CC
= V
TH-
+0.2V
I
OL
=3mA
RESET
APX823/APX824/APX825A -
29/26/23
V
CC
= V
TH-
-0.2V
I
OL
=1mA
- - 0.4 V
APX823/APX824/APX825A -
40/31
V
CC
= V
TH-
-0.2V
I
OL
=1.2mA
APX823/APX824/APX825A -
46/44
V
CC
= V
TH-
-0.2V
I
OL
=3mA
V
RESET
Power-up Reset Voltage (see Note 2)
V
CC
> 1.1V,
I
OL
=20μA
- - 0.4 V
V
TH-
Negative-going
Input Threshold
Voltage
(see Note 3)
APX823/APX824/APX825A -23
T
A
= 0
o
C -85
o
C
2.21 2.25 2.30
V
APX823/APX824/APX825A -26 2.59 2.63 2.69
APX823/APX824/APX825A -29 2.88 2.93 3.00
APX823/APX824/APX825A -31 3.02 3.08 3.15
APX823/APX824/APX825A -40 3.93 4.00 4.08
APX823/APX824/APX825A -44 4.31 4.38 4.47
APX823/APX824/APX825A -46 4.56 4.63 4.72
APX823/APX824/APX825A -23
T
A
= -40
o
C -85
o
C
2.20 2.25 2.30
V
APX823/APX824/APX825A -26 2.57 2.63 2.69
APX823/APX824/APX825A -29 2.86 2.93 3.00
APX823/APX824/APX825A -31 3.00 3.08 3.15
APX823/APX824/APX825A -40 3.92 4.00 4.08
APX823/APX824/APX825A -44 4.29 4.38 4.47
APX823/APX824/APX825A -46 4.54 4.63 4.72
Note: 2. The lowest supply voltage at which
RESET
becomes active. T
R
, V
CC
> 15μs/V.
3. To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1μF) should be placed near the supply terminals.