Absolute Maximum Rating (MPC89E51A)
Parameter
Ambient temperature under bias
Storage temperature
Rating
Unit
°C
°C
V
-55 ~ +125
-65 ~ + 150
Voltage on any Port I/O Pin or RST with respect to
Ground
-0.5 ~ VCC + 0.5
Voltage on VCC with respect to Ground
-0.5 ~ +6.0
500
V
Maximum total current through VCC and Ground
Maximum output current sunk by any Port pin
mA
mA
40
*Note: stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage
to the device. This is a stress rating only and functional operation of the devices at those or any other
conditions above those indicated in the operation listings of this specification is not implied. Exposure
to maximum rating conditions for extended periods may affect device reliability.
DC Characteristics (MPC89E51A)
VSS = 0V, TA = 25 ℃ and 12 clocks per machine cycle ,unless otherwise specified
Specification
Symbol
Parameter
Test Condition
Unit
Min.
Typ.
Max.
Vcc=5.0V
Vcc=5.0V
Vcc =5.0V
Vcc=5.0V
Vcc=5.0V
VIL1
VIL2
VIH1
VIH2
IOL1
Input low voltage (P0, 1,2,3,4)
Input low voltage (RESET)
Input high voltage (P0, 1, 2, 3, 4,EA)
Input high voltage (RESET)
Sinking Current for output Low
(P1, P2, P3, P4)
0.8
V
V
1.6
2.0
3.0
4
V
V
6
mA
Vcc=5.0V
Vcc = 5.0V
Vcc = 5.0V
IOL2
IOH1
IOH2
Sinking Current for output Low
(P0, ALE, PSEN)
8
12
mA
uA
Sourcing Current for output High
(P1, P2, P3, P4)
150
14
220
20
Sourcing Current for output High
(ALE, PSEN)
mA
Vpin=0V
Vpin=2.0V
Vcc=5.0V
Vcc=5.0V
Vcc=5.0V
IIL
ITL
Logic 0 input current (P1,2,3,4)
Logic 1 to 0 transition current (P1,2,3,4)
Operating current @20MHz
Idle mode current @ 20MHz
Power down current
18
50
600
30
7
uA
uA
270
ICC
mA
mA
uA
IIDLE
IPD
50
Internal pull-down resistance in RESET
Rrst
45K~116K
ohm
MEGAWIN
MPC89x51A Data Sheet
33
MEGAWIN [ MEGAWIN TECHNOLOGY CO., LTD ]
