FUJITSU MB3773 - Manual (Page 8)

MB3773
8
■ ■ ■ ■ ELECTORICAL CHARACTERISTICS
(1) DC Characteristics
( V
CC
=
5 V, Ta
= +
25
°
C)
Parameter Symbol Condition
Value
Unit
Min Typ Max
Supply current I
CC
Watch dog timer operating

600 900
µ
A
Detection voltage
V
SL
V
CC
4.10 4.20 4.30
V
Ta
= −
40
°
C to + 85
°
C 4.05 4.20 4.35
V
SH
V
CC
4.20 4.30 4.40
Ta
= −
40
°
C to + 85
°
C 4.15 4.30 4.45
Hysteresis width V
HYS V
CC
50 100 150 mV
Reference voltage V
REF

1.227 1.245 1.263
V
Ta
= −
40
°
C to + 85
°
C 1.215 1.245 1.275
Reference voltage change rate
∆
V
REF1
V
CC
=
3.5 V to 16 V

3 10 mV
Reference voltage output
loading change rate
∆
V
REF2
I
OUT
= −
200
µ
A to + 5
µ
A
−
5
 + 5 mV
CK threshold voltage V
TH
Ta
= −
40
°
C to + 85
°
C 0.8 1.25 2.0 V
CK input current
I
IH
V
CK
=
5.0 V

0 1.0
µ
A
I
IL
V
CK
=
0.0 V
−
1.0
−
0.1

C
T
discharge current I
CTD
Watch dog timer operating
V
CT
=
1.0 V
7 10 14
µ
A
High level output voltage
V
OH1
V
S
open, I
RESET
= −
5
µ
A 4.5 4.9

V
V
OH2
V
S
=
0 V, I
RESET
= −
5
µ
A 4.5 4.9

Output saturation voltage
V
OL1
V
S
=
0 V, I
RESET
=
3 mA

0.2 0.4
V
V
OL2
V
S
=
0 V, I
RESET
=
10 mA

0.3 0.5
V
OL3
V
S
open, I
RESET
=
3 mA

0.2 0.4
V
OL4
V
S
open, I
RESET
=
10 mA

0.3 0.5
Output sink current
I
OL1
V
S
=
0 V, V
RESET
=
1.0 V 20 60

mA
I
OL2
V
S
open, V
RESET
=
1.0 V 20 60

C
T
charge current I
CTU
Power on reset operating
V
CT
=
1.0 V
0.5 1.2 2.5
µ
A
Min supply voltage for RESET V
CCL1
V
RESET
=
0.4 V,
I
RESET
=
0.2 mA

0.8 1.2 V
Min supply voltage for RESET V
CCL2
V
RESET
=
V
CC
−
0.1 V,
R
L
(pin 2
−
GND)
=
1 M
Ω

0.8 1.2 V