參數(shù)資料
型號(hào)： UPD75312A
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機(jī)
文件頁數(shù)： 46/62頁
文件大?。?/td> 577K
代理商： UPD75312A
μ
PD75312(A), 75316(A)
46
DC CHARACTERISTICS
(T
a
= -40 to +85
°
C, V
DD
= 2.7 to 6.0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
High-Level Input
Voltage
V
IH1
V
IH2
V
IH3
Ports 2, 3
Ports 0, 1, 6, 7, RESET
Ports 4, 5
0.7V
DD
0.8V
DD
0.7V
DD
V
DD
V
DD
V
DD
V
V
V
w/pull-up resistor
Open-drain
0.7V
DD
V
DD
-0.5
10
V
DD
V
V
V
IH4
X1, X2, XT1
Low-level Input
Voltage
V
IL1
V
IL2
V
IL3
Ports 2, 3, 4, 5
Ports 0, 1, 6, 7, RESET
X1, X2, XT1
0
0
0
0.3V
DD
0.2V
DD
0.4
V
V
V
High-Level Output
Voltage
V
OH1
V
DD
= 4.5 to 6.0 V
I
OH
= -1 mA
I
OH
= -100
μ
A
V
DD
= 4.5 to 6.0 V
I
OH
= -100
μ
A
I
OH
= -30
μ
A
Ports 3, 4, and 5
V
DD
= 4.5 to 6.0 V
I
OL
= -15 mA
V
DD
= 4.5 to 6.0 V
I
OL
= 1.6 mA
I
OL
= 400
μ
A
Open-drain Pull-up
resistor
≥
1 k
V
DD
= 4.5 to 6.0 V
I
OL
= 100
μ
A
I
OL
= 50
μ
A
Other than below
V
DD
-1.0
V
V
DD
-0.5
V
DD
-2.0
V
V
V
OH2
V
DD
-1.0
V
Low-Level Output
Voltage
V
OL1
0.2
1.0
V
0.4
V
0.5
V
SB0, 1
0.2V
DD
V
V
OL2
1.0
V
1.0
3
V
High-Level Input
Leakage Current
I
LIH1
V
IN
= V
DD
μ
A
μ
A
I
LIH2
I
LIH3
X1, X2, XT1
Ports 4, 5
(open-drain)
Other than below
20
V
IN
= 10 V
20
μ
A
Low-Level Input
Leakage Current
I
LIL1
V
IN
= 0 V
-3
μ
A
μ
A
μ
A
I
LIL2
I
LOH1
I
LOH2
X1, X2, XT1
Other than below
Ports 4, 5
(open-drain)
-20
3
High-Level Output
Leakage Current
V
OUT
= V
DD
V
OUT
= 10 V
20
μ
A
Low-Level Output
Leakage Current
Internal Pull-Up Resistor
I
LOL
V
OUT
= 0 V
-3
μ
A
R
L1
Ports 0, 1, 2, 3, 6, 7
(except P00) V
IN
= 0V
V
DD
= 5.0 V
±
10%
V
DD
= 3.0 V
±
10%
V
DD
= 5.0 V
±
10%
V
DD
= 3.0 V
±
10%
15
40
80
k
k
k
k
V
k
V
30
15
10
300
70
60
R
L2
Ports 4, 5
V
OUT
= V
DD
-2.0 V
40
LCD Drive Voltage
LCD Step-down Resistor
LCD Output Voltage
Deviation (Common) *
1
LCD Output Voltage
Deviation (Segment)
V
LCD
R
LCD
V
ODC
2.5
60
0
V
DD
150
±
0.2
100
I
O
=
±
5
μ
A
V
ODS
I
O
=
±
1
μ
A
0
±
0.2
V
Ports 0, 2, 3, 4, 5,
6, 7, and 8
BP0-7
(with two I
OH
outputs)
Ports 0, 2, 3, 6, 7
and BIAS
BP0-7
(with two I
OL
outputs)
V
LCD0
= V
LCD
V
LCD1
= V
LCD
×
2/3
V
LCD2
= V
LCD
×
1/3
2.7 V
≤
V
LCD
≤
V
DD
(to be cont'd)
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