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參數(shù)資料
| 型號(hào)： | CDP1852 |
| 廠商： | Intersil Corporation |
| 英文描述： | parallel, 8-bit, mode-pro-grammable input/output ports.(并行8位可編程模式I/O端口) |
| 中文描述： | 同時(shí)，8位，模式親可編程輸入/輸出端口。（并行8位可編程模式的I / O端口） |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大?。?/td> | 63K |
| 代理商： | CDP1852 |
4-22
Output Voltage High Level
(Note 2)
V
OH
-
0, 5
5
4.9
5
-
4.9
5
-
V
-
0, 10
10
9.9
10
-
-
-
-
V
Input Low Voltage
V
IL
0.5,
4.5
-
5
-
-
1.5
-
-
1.5
V
0.5,
9.5
-
10
-
-
3
-
-
-
V
Input High Voltage
V
lH
0.5,
4.5
-
5
3.5
-
-
3.5
-
-
V
0.5,
9.5
-
10
7
-
-
-
-
-
V
Input Leakage Current
I
lN
-
0, 5
5
-
-
±
1
-
-
±
1
μ
A
-
0, 10
10
-
-
±
2
-
-
-
μ
A
Three-State Output Leakage
Current
I
OUT
0, 5
0, 5
5
-
-
±
1
-
-
±
1
μ
A
0, 10
0, 10
10
-
-
±
2
-
-
-
μ
A
Operating Current (Note 3)
I
DD1
-
0, 5
5
-
130
300
-
150
300
μ
A
-
0, 10
10
-
550
800
-
-
-
μ
A
Input Capacitance
C
IN
-
-
-
-
5
7.5
-
5
7.5
pF
Output Capacitance
C
OUT
-
-
-
-
5
7.5
-
-
-
pF
NOTES:
1. Typical values are for T
A
= 25
o
C and nominal V
DD
.
2. I
OL
= I
OH
= 1
μ
A
3. Operating current is measured at 2MHz in an CDP1802 system with open outputs and a program of 6N55, 6NAA, 6N55, 6NAA,....
Dynamic Electrical Specifications
At T
A
= -40
o
C to +85
o
C, V
DD
=
±
5%, t
R
, t
F
= 20ns, V
IH
= 0.7 V
DD
, V
IL
= 0.3 V
DD
, C
L
= 100pF,
and 1 TTL Load
PARAMETER
V
DD
(V)
LIMITS
UNITS
MIN
(NOTE 1)
TYP
MAX
MODE 0 - INPUT PORT
(See Figure 4)
Minimum Select Pulse Width
t
SW
5
-
180
360
ns
10
-
90
180
ns
Minimum Write Pulse Width
t
WW
5
-
90
180
ns
10
-
45
90
ns
Minimum Clear Pulse Width
t
CLR
5
-
80
160
ns
10
-
40
80
ns
Static Electrical Specifications
At T
A
= -40
o
C to +85
o
C, Unless Otherwise Specified
(Continued)
PARAMETER
CONDITIONS
LIMITS
UNITS
V
O
(V)
V
IN
(V)
V
DD
(V)
CDP1852
CDP1852C
MIN
(NOTE1)
TYP
MAX
MIN
(NOTE1)
TYP
MAX
CDP1852, CDP1852C
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