參數(shù)資料
型號(hào): HCD404669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計(jì)算機(jī))
中文描述: 低電壓如同在微機(jī)芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計(jì)算機(jī))
文件頁數(shù): 109/142頁
文件大?。?/td> 894K
代理商: HCD404669
HD404669 Series
109
Programming Electrical Characteristics
DC Characteristics (V
CC
= 6.0 V
±
0.25 V, V
PP
= 12.5 V
±
0.3 V, GND = 0V, T
a
= 25
°
C
±
5
°
C, unless
otherwise specified)
Item
Pin(s)
Symbol
Min
Typ
Max
Unit
Test Condition
Input high
voltage level
O
0
–O
4
, A
0
–A
14
,
OE
,
CE
V
IH
2.2
V
CC
+ 0.3
V
Input low
voltage level
O
0
–O
4
, A
0
–A
14
,
OE
,
CE
V
IL
–0.3
0.8
V
Output high
voltage level
O
0
–O
4
V
OH
2.4
V
I
OH
= –200
μ
A
Output low
voltage level
O
0
–O
4
V
OL
0.4
V
I
OL
= 1.6 mA
Input leakage
current
O
0
–O
4
, A
0
–A
14
,
OE
,
CE
I
IL
2
μ
A
V
in
= 5.25 V/0.5 V
V
CC
current
V
PP
current
I
CC
I
PP
30
mA
40
mA
AC Characteristics (V
CC
= 6.0 V
±
0.25 V, V
PP
= 12.5 V
±
0.3 V, GND = 0V, T
a
= 25
°
C
±
5
°
C, unless
otherwise specified)
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Address setup time
OE
setup time
t
AS
t
OES
t
DS
t
AH
t
DH
t
DF
t
VPS
t
PW
t
OPW
2
μ
s
μ
s
μ
s
μ
s
μ
s
See figure 82
2
Data setup time
2
Address hold time
0
Data hold time
2
Data output disable time
130
ns
V
PP
setup time
Program pulse width
CE
pulse width during
overprogramming
2
μ
s
0.95
1.0
1.05
ms
2.85
78.75
ms
V
CC
setup time
Data output delay time
Note:
Input pulse level: 0.8 V to 2.2 V
Input rise/fall time:
20 ns
Input timing reference levels: 1.0 V, 2.0 V
Output timing reference levels: 0.8 V, 2.0 V
t
VCS
t
OE
2
μ
s
0
500
ns
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