STC809 ETC-unknow, STC809 Datasheet - Page 9

• Manufacturer Part Number: STC809
• Description: Up Supervisor Circuits
• Manufacturer: ETC-unknow

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DC Electrical Characteristics
STC
Table 4. DC Electrical Characteristics
* Valid for both RESET and RESET. V
** WDI is internally serviced within the watchdog period if WDI is left unconnected.
(Vcc=V
Symbol
V
V
V
V
V
V
I
I
V
V
I
I
LKG
WDI
CC
RTH
PFI
RST
PFT
r
OH
CC
OL
IH
IL
RN
+5% to 5.5V, T
Operating Voltage Range
Supply Current
Input High Voltage
Input Low Voltage
Reset Threshold Voltage
(Note 1)
Reset Threshold
Hysteresis(Note 1)
Output High Voltage
Output Low Voltage
Open-Drain Output
Leakage Current
PFI Input Threshold
PFI Input Leakage
Current
Average WDI Input
Current (Note 2)
MR pull-up resistor
(internal)
Description
A
= -40~85”C, unless otherwise noted)
STC803/809/810-811/812/-823/824/825-6342/6343/6344/6345
RN
Pin: MR, WDI
V
Vcc = 5V, No load
Pin: MR, WDI
T
Vcc varies between V
Vcc 4.5V Isource=800 A
Vcc 2.7V Isource=500 A
Vcc 1.8V Isource=150 A
Vcc 4.5V I
Vcc 2.7V I
Vcc 1.2V I
V
for STC803 and STC6343
WDI connected to V
WDI connected to GND
STC811/7812
STC823/824/825
STC6342/6343/6344
is nominal reset threshold voltage.
A
CC
PFI
= -40 ~ 85”C
> V
varies from 1.5V and 1.0V
Test Conditions
TH(MAX)
sink
sink
sink
=3.2mA
=1.2mA
=100 A
STCxxxL
STCxxxM
STCxxxT
STCxxxS
STCxxxR
STCxxxZ
STCxxxY
9
CC
RN
: 5.5V
5%
0.7 Vcc
V
0.8 Vcc
0.8 Vcc
Vcc-1.5
RN
4.271
3.003
2.857
2.564
2.262
2.145
4.514
Min
1.20
-20
1.0
10
35
60
-2.5%
P Supervisor Circuits
Typ
4.38
3.08
2.93
2.63
2.32
2.20
1.25
4.63
120
V
-15
52
20
20
70
RN
V
0.3 Vcc
Data Sheet
RN
4.490
3.157
3.003
2.696
2.378
2.255
4.746
Max
1.30
160
5.5
0.4
0.3
0.3
75
+2.5%
30
50
1
25
Ver1.0
Unit
mV
k
nA
V
V
V
V
V
V
V
A
A
A