87C51 Intel Corporation, 87C51 Datasheet - Page 9

• Manufacturer Part Number: 87C51
• Description: CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
• Manufacturer: Intel Corporation

DC CHARACTERISTICS
Symbol
V
V
V
I
I
I
RRST
C
I
IL
LI
TL
CC
OL1
OH
OH1
IO
Output Low Voltage
(Port 0 ALE PSEN)
Output High Voltage
(Ports 1 2 3 ALE PSEN)
Output High Voltage
(Port 0 in External Bus Mode)
Logical 0 Input Current
(Ports 1 2 3)
Input Leakage Current
(Port 0)
Logical 1-to-0 Transition Current
(Ports 1 2 3)
RST Pulldown Resistor
Pin Capacitance
Power Supply Current
Commercial
Express
Commercial
Express
Active Mode
Idle Mode
Power Down Mode
12 MHz (Figure 5)
16 MHz
24 MHz
12 MHz (Figure 5)
16 MHz
24 MHz
Parameter
(6)
(Over Operating Conditions) (Continued)
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
Min
40
b
b
b
b
b
b
0 3
0 7
1 5
0 3
0 7
1 5
Typ(1)
11 5
3 5
10
5
b
b
Max
0 45
b
b
g
13 5
225
0 3
1 0
7 5
9 5
20
26
38
50
650
750
50
75
10
87C51 80C51BH 80C31BH
Unit
mA
mA
mA
mA
mA
mA
k
pF
V
V
V
V
V
V
V
V
V
A
A
A
A
A
A
I
I
I
I
I
I
I
I
I
V
0 45
V
(Note 4)
OL
OL
OL
OH
OH
OH
OH
OH
OH
Test Conditions
IN
IN
1 MHz 25 C
e
e
e
e b
e b
e b
e b
e b
e b
e
e
k
200 A
3 2 mA
7 0 mA
0 45V
2V
V
IN k
10 A
30 A
60 A
200 A
3 2 mA
7 0 mA
(2)
(2)
(2)
V
(3)
(3)
(3)
CC
(3)
(3)
(3)
9