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參數(shù)資料
| 型號： | P82C55A |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CHMOS PROGRAMMABLE PERIPHERAL INTERFACE |
| 中文描述： | 24 I/O, PIA-GENERAL PURPOSE, PDIP40 |
| 封裝： | DIP-40 |
| 文件頁數(shù)： | 18/23頁 |
| 文件大?。?/td> | 325K |
| 代理商： | P82C55A |
82C55A
ABSOLUTE MAXIMUM RATINGS
*
Ambient Temperature Under Biasàààà0
§
C to
a
70
§
C
Storage Temperature ààààààààà
b
65
§
C to
a
150
§
C
Supply Voltage àààààààààààààààààà
b
0.5 to
a
8.0V
Operating Voltage ààààààààààààààààà
a
4V to
a
7V
Voltage on any InputààààààààààGND
b
2V to
a
6.5V
Voltage on any Output ààGND
b
0.5V to V
CC
a
0.5V
Power Dissipation àààààààààààààààààààààààà1 Watt
NOTICE: This is a production data sheet. The specifi-
cations are subject to change without notice.
*
WARNING: Stressing the device beyond the ‘‘Absolute
Maximum Ratings’’ may cause permanent damage.
These are stress ratings only. Operation beyond the
‘‘Operating Conditions’’ is not recommended and ex-
tended exposure beyond the ‘‘Operating Conditions’’
may affect device reliability.
D.C. CHARACTERISTICS
T
A
e
0
§
C to 70
§
C, V
CC
e a
5V
g
10%, GND
e
0V (T
A
e b
40
§
C to
a
85
§
C for Extended Temperture)
Symbol
Parameter
Min
Max
Units
Test Conditions
V
IL
Input Low Voltage
b
0.5
0.8
V
V
IH
Input High Voltage
2.0
V
CC
V
V
OL
Output Low Voltage
0.4
V
I
OL
e
2.5 mA
I
OH
e b
2.5 mA
I
OH
e b
100
m
A
V
IN
e
V
CC
to 0V
(Note 1)
V
OH
Output High Voltage
3.0
V
V
V
CC
b
0.4
I
IL
Input Leakage Current
g
1
m
A
I
OFL
Output Float Leakage Current
g
10
m
A
V
IN
e
V
CC
to 0V
(Note 2)
I
DAR
Darlington Drive Current
g
2.5
(Note 4)
mA
Ports A, B, C
R
ext
e
500
X
V
ext
e
1.7V
V
OUT
e
1.0V
Port A only
I
PHL
Port Hold Low Leakage Current
a
50
a
300
m
A
I
PHH
Port Hold High Leakage Current
b
50
b
300
m
A
V
OUT
e
3.0V
Ports A, B, C
I
PHLO
Port Hold Low Overdrive Current
b
350
m
A
V
OUT
e
0.8V
V
OUT
e
3.0V
I
PHHO
Port Hold High Overdrive Current
a
350
m
A
I
CC
V
CC
Supply Current
10
mA
(Note 3)
I
CCSB
V
CC
Supply Current-Standby
10
m
A
V
CC
e
5.5V
V
IN
e
V
CC
or GND
Port Conditions
If I/P
e
Open/High
O/P
e
Open Only
With Data Bus
e
High/Low
CS
e
High
Reset
e
Low
Pure Inputs
e
Low/High
NOTES:
1. Pins A
1
, A
0
, CS, WR, RD, Reset.
2. Data Bus; Ports B, C.
3. Outputs open.
4. Limit output current to 4.0 mA.
18
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