參數(shù)資料
型號: HD404628R
廠商: Hitachi,Ltd.
英文描述: AS Microcomputer Incorporating a DTMF Generator Circuit(微計算機帶雙音多頻發(fā)生器電路)
中文描述: 由于微機安裝有雙音多頻發(fā)電機斷路器(微計算機帶雙音多頻發(fā)生器電路)
文件頁數(shù): 144/155頁
文件大小: 549K
代理商: HD404628R
HD404629R Series
144
I/O Characteristics for High-Current Pins (HD404628R, HD4046212R, HD404629R: V
= 2.7 to
6.0 V, GND = 0 V, T
= –20
°
C to +75
°
C; HD4074629: 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
D
0
–D
9
0.7V
CC
V
CC
+ 0.3
V
Input low
voltage
V
IL
D
0
–D
9
–0.3
0.3V
CC
V
Output high
voltage
V
OH
D
0
–D
9
V
CC
– 1.0
V
–I
OH
= 0.5 mA
Output low
V
OL
D
0
–D
9
0.4
V
I
OL
= 0.4 mA
voltage
2.0
V
I
OL
= 15 mA,
V
CC
= 4.5 V to 6.0 V
1
I/O leakage
current
I
I L
D
0
–D
9
1
μ
A
V
in
= 0 V to V
CC
2
Pull-up MOS
current
–I
PU
D
0
–D
9
5
30
90
μ
A
V
CC
= 3 V,
V
in
= 0 V
Note:
1. The test condition of HD4074629 is V
CC
= 4.5 V to 5.5 V.
2. Output buffer current is excluded.
LCD Circuit Characteristics (HD404628R, HD4046212R, HD404629R: V
CC
= 2.7 to 6.0 V, GND =
0 V, T
= –20
°
C to +75
°
C; HD4074629: 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
Segment driver
voltage drop
V
DS
SEG1–SEG52
0.6
V
I
PD
= 3
μ
A
1
Common driver
voltage drop
V
DC
COM1–COM4
0.3
V
I
PD
= 3
μ
A
1
LCD power
supply division
resistance
R
W
(HD404628R,
HD4046212R,
HD404629R)
50
300
900
k
Between V
1
and
GND
(HD4074629)
100
300
900
LCD voltage
V
LCD
V
1
2.7
V
CC
V
2
Notes: 1. V
and V
are the voltage drops from power supply pins V
1
, V
2
, V
3
, and GND to each segment
pin and each common pin, respectively.
2. When V
LCD
is supplied from an external source, the following relations must be retained:
V
CC
V
1
V
2
V
3
GND
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HD4074629 AS Microcomputer Incorporating a DTMF Generator Circuit(微計算機帶雙音多頻發(fā)生器電路)
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