參數(shù)資料
型號: HD404448
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer(4位單片微計算機)
中文描述: 4位HMCS400系列微機(4位單片微計算機)
文件頁數(shù): 115/123頁
文件大?。?/td> 726K
代理商: HD404448
HD404449 Series
115
I/O Characteristics for High-Current Pins (HD404448, HD404449: V
CC
= 2.7 to 6.0 V, GND = 0 V, T
a
= –20
°
C to +75
°
C; HD4074449: V
CC
= 2.7 to 5.5 V, GND = 0 V, T
a
= –20
°
C to +75
°
C, unless otherwise
specified)
Item
Symbol
Pin(s)
Min
Typ
Max
Unit
Test Condition
Notes
Input high voltage
V
IH
V
IL
V
OH
V
OL
D
0
–D
9
D
0
–D
9
D
0
–D
9
D
0
–D
9
0.7V
CC
–0.3
V
CC
+ 0.3 V
0.3V
CC
Input low voltage
V
Output high voltage
V
CC
– 1.0 —
V
–I
OH
= 0.5 mA
I
OL
= 0.4 mA
I
OL
= 15 mA,
V
CC
4.5 V
V
in
= 0 V to V
CC
V
CC
= 3.0 V,
V
in
= 0 V
Output low voltage
0.4
V
2.0
V
I/O leakage current
I
IL
D
0
–D
9
D
0
–D
9
1
μ
A
μ
A
1
Pull-up MOS current –I
PU
5
30
90
Notes: 1. Output buffer current is excluded.
A/D Converter Characteristics (HD404448, HD404449: V
CC
= 2.7 to 6.0 V, GND = 0 V, T
a
= –20
°
C to
+75
°
C; HD4074449: V
CC
= 2.7 to 5.5 V, GND = 0 V, T
a
= –20
°
C to +75
°
C, unless otherwise specified)
Item
Symbol
Pin(s)
Min
Typ
Max
Unit
Test Condition
Notes
Analog power
voltage
AV
CC
AV
CC
V
CC
– 0.3
V
CC
V
CC
+ 0.3 V
1
Analog input
voltage
AV
in
AN
0
–AN
3
AV
SS
AV
CC
V
Current between
AV
CC
and AV
SS
Analog input
capacitance
I
AD
50
150
μ
A
V
CC
= AV
CC
= 5.0 V
CA
in
AN
0
–AN
3
15
pF
Resolution
8
8
8
Bit
Number of inputs
0
4
Channel
Absolute accuracy —
±
2.0
LSB
T
a
= 25
°
C,
V
CC
= 4.5 V to 5.5 V
Conversion time
34
67
t
cyc
M
Input impedance
AN
0
–AN
3
1
f
OSC
= 1 MHz,
V
in
= 0 V
Note:
1. AV
CC
2.7 V
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