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15.2 Recommended operating conditions
Recommended operating conditions (V
Symbol
V
Power source voltage
CC
AV
Analog power source voltage
CC
V
Power source voltage
SS
AV
Analog power source voltage
SS
High-level input voltage
V
IH
High-level input voltage
V
IH
High-level input voltage
V
IH
Low-level input voltage
V
IL
Low-level input voltage
V
IL
Low-level input voltage
V
IL
High-level peak output current
I
OH (peak)
High-level average output current
I
OH (avg)
Low-level peak output current
I
OL (peak)
Low-level average output current
I
OL (avg)
f(X
)
Operating clock frequency
IN
Notes 1: Average output current is the average value of a 100 ms interval.
2: The sum of I
OL
the sum of I
OH
the sum of I
OL
the sum of I
OH
ELECTRICAL CHARACTERISTICS
CC
Parameter
P0
P5
P8
BYTE
P1
(in single-chip mode)
P1
(in memory expansion mode and
microprocessor mode)
P0
P5
P8
BYTE
P1
(in single-chip mode)
P1
(in memory expansion mode and
microprocessor mode)
P0
P3
P6
P0
P3
P6
P0
P3
P6
P0
P3
P6
(peak) for ports P0, P1, P2, P3, and P8 must be 80 mA or less,
(peak) for ports P0, P1, P2, P3, and P8 must be 80 mA or less,
(peak) for ports P4, P5, P6, and P7 must be 80 mA or less, and
(peak) for ports P4, P5, P6, and P7 must be 80 mA or less.
7751 Group User's Manual
15.2 Recommended operating conditions
= 5 V±10%, Ta = –20 to 85 °C, unless otherwise noted)
–P0
, P3
–P3
, P4
–P4
0
7
0
3
0
–P5
, P6
–P6
, P7
–P7
0
7
0
7
0
______
–P8
, X
,
, CNV
RESET
0
7
IN
–P1
, P2
–P2
0
7
0
7
–P1
, P2
–P2
0
7
0
7
–P0
, P3
–P3
, P4
–P4
0
7
0
3
0
–P5
, P6
–P6
, P7
–P7
0
7
0
7
0
______
–P8
, X
,
, CNV
RESET
0
7
IN
–P1
, P2
–P2
0
7
0
7
–P1
, P2
–P2
0
7
0
7
–P0
, P1
–P1
, P2
–P2
0
7
0
7
0
–P3
, P4
–P4
, P5
–P5
0
3
0
7
0
–P6
, P7
–P7
, P8
–P8
0
7
0
7
0
–P0
, P1
–P1
, P2
–P2
0
7
0
7
0
–P3
, P4
–P4
, P5
–P5
0
3
0
7
0
–P6
, P7
–P7
, P8
–P8
0
7
0
7
0
–P0
, P1
–P1
, P2
–P2
0
7
0
7
0
–P3
, P4
–P4
, P5
–P5
0
3
0
7
0
–P6
, P7
–P7
, P8
–P8
0
7
0
7
0
–P0
, P1
–P1
, P2
–P2
0
7
0
7
0
–P3
, P4
–P4
, P5
–P5
0
3
0
7
0
–P6
, P7
–P7
, P8
–P8
0
7
0
7
0
Limits
Min.
Typ.
4.5
5.0
V
CC
0
0
,
7
,
7
0.8 V
CC
,
SS
0.8 V
CC
0.5 V
CC
,
7
,
7
0
,
SS
0
0
,
7
,
7
7
,
7
,
7
7
,
7
,
7
7
,
7
,
7
7
Unit
Max.
5.5
V
V
V
V
V
V
CC
V
V
CC
V
V
CC
V
0.2 V
CC
V
0.2 V
CC
0.16 V
CC
V
mA
–10
mA
–5
mA
10
mA
5
MHz
40
15–3
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