ASM802LAEPA ALSC [Alliance Semiconductor Corporation], ASM802LAEPA Datasheet - Page 10

• Manufacturer Part Number: ASM802LAEPA
• Description: UP Power Supply Supervisor With Battery Backup Switch
• Manufacturer: ALSC [Alliance Semiconductor Corporation]

rev 1.0
October 2003
Reset Threshold
Hysteresis
Reset Pulse Width
Reset Output Volt-
age
Watchdog Timeout
WDI Pulse Width
WDI Input Current
WDI Input Thresh-
old
(Note 3)
PFI Input Thresh-
old
PFI Input Current
PFO Output Volt-
age
Notes:
1. If V
2. Battery charging-current is “-”. Battery discharge current is “+”.
3. WDI is guaranteed to be in an intermediate level state if WDI is floating and V
input impedance is 50 kΩ. WDI is biased to 0.3V
Parameter
CC
or V
BATT
is 0V, the other must be greater than 2.0V.
µP Power Supply Supervisor With Battery Backup Switch
Symbol
t
t
t
WD
WP
RS
Notice: The information in this document is subject to change without notice
I
I
ASM69_AC, ASM802_C, V
I
ASM69_AE, ASM802_E, V
I
ASM805LC, I
ASM805LE, I
ASM805L, I
ASM805L, I
V
WDI = V
WDI = 0V
V
ASM69_A,ASM805L, V
ASM802_C/E, V
I
I
SOURCE
SINK
SINK
SINK
SOURCE
SINK
IL
CC
= 0.4V, V
= 5V, Logic LOW
=50µA
=100µA
= 3.2mA
= 3.2mA
CC
= 800µA
= 800µA
SOURCE
SINK
IH
SOURCE
SOURCE
CC
= 0.8V
=3.2mA
.
CC
Conditions
=800µA
= 5V
=4µA, V
=4µA, V
CC
CC
= 5V
CC
CC
CC
CC
=1.2V,
=1.0V,
= 1.1V
= 1.2V
CC
is within the operating voltage range. WDI
V
V
V
CC
CC
CC
1.225
1.00
-150
1.20
Min
140
0.8
0.9
-25
50
- 1.5
- 1.5
- 1.5
ASM690A / 692A
ASM802L / 802M
1.250
1.60
1.25
0.01
Typ
200
-50
40
50
ASM805L
1.275
Max
2.25
1.30
280
150
0.4
0.3
0.3
0.4
0.8
0.4
25
10 of 13
Unit
mV
sec
ms
µA
µA
nA
ns
V
V
V
V