參數(shù)資料
型號(hào)： 8742
廠商： Intel Corp.
英文描述： 8742 Universal Peripheral Interface 8-Bit Slave Microcontroller(8742 通用外設(shè)接口8位從模式微控制器)
中文描述： 8742通用外圍設(shè)備接口的8位微控制器奴隸（8742通用外設(shè)接口8位從模式微控制器）
文件頁(yè)數(shù)： 7/12頁(yè)
文件大小： 210K
代理商： 8742
8742
ABSOLUTE MAXIMUM RATINGS
*
Ambient Temperature Under Bias àààààà0
§
C to 70
§
C
Storage Temperature àààààààààà
b
65
§
C to
a
150
§
C
Voltage on Any Pin With Respect
to Groundààààààààààààààààààààààà
b
0.5 to
a
7V
Power Dissipationàààààààààààààààààààààààààà1.5W
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
§
to
a
70
§
C, V
CC
e
V
DD
e a
5V
g
10%
Symbol
Parameter
8742
Units
Test
Min
Max
Conditions
V
IL
V
IL1
V
IH
V
IH1
V
OL
V
OL1
V
OL2
V
OH
V
OH1
I
IL
I
OFL
Input Low Voltage (Except XTAL1, XTAL2, RESET)
b
0.5
b
0.5
0.8
V
Input Low Voltage (XTAL1, XTAL2, RESET)
0.6
V
Input High Voltage (Except XTAL1, XTAL2, RESET)
2.0
V
CC
V
CC
0.45
V
Input High Voltage (XTLA1, XTAL2, RESET)
3.5
V
Output Low Voltage (D
0
–D
7
)
Output Low Voltage (P
10
–P
17
, P
20
–P
27
, Sync)
Output Low Voltage (PROG)
V
I
OL
e
2.0 mA
I
OL
e
1.6 mA
I
OL
e
1.0 mA
I
OH
e b
400
m
A
I
OH
e b
50
m
A
V
SS
s
V
IN
s
V
CC
V
SS
a
0.45
s
V
OUT
s
V
CC
V
IL
e
0.8V
V
IL
e
0.8V
Typical
e
5 mA
Typical
e
60 mA
V
IN
e
V
CC
0.45
V
0.45
V
Output High Voltage (D
0
–D
7
)
Output High Voltage (All Other Outupts)
2.4
V
2.4
Input Leakage Current (T
0
, T
1
, RD, WR, CS, A
0
, EA)
Output Leakage Current (D
0
–D
7
, High Z State)
g
10
m
A
g
10
m
A
I
LI
I
LI1
I
DD
I
CC
a
I
DD
I
IH
C
IN
C
1 0
Low Input Load Current (P
10
–P
17
, P
20
–P
27
)
Low Input Load Current (RESET, SS)
0.3
mA
0.2
mA
V
DD
Supply Current
Total Supply Current
10
mA
125
mA
Input Leakage Current (P
10
–P
17
, P
20
–P
27
)
Input Capacitance
100
m
A
10
pF
I/O Capacitance
20
pF
D.C. CHARACTERISTICSDPROGRAMMING
T
A
e
25
§
C
g
5
§
C, V
CC
e
5V
g
5%, V
DD
e
21V
g
0.5V
Symbol
Parameter
Min
Max
Units
Test Conditions
V
DOH
V
DDL
V
PH
V
PL
V
EAH
V
EAL
I
DD
I
PROG
I
EA
V
DD
Program Voltage High Level
V
DD
Voltage Low Level
PROG Program Voltage High Level
20.5
21.5
V
4.75
5.25
V
17.5
18.5
V
PROG Voltage Low Level
V
CC
b
0.5
17.5
V
CC
18.5
V
EA Program or Verify Voltage High Level
V
EA Voltage Low Level
5.25
V
V
DD
High Voltage Supply Current
PROG High Voltage Supply Current
30.0
mA
1.0
mA
EA High Voltage Supply Current
1.0
mA
7
7
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