8051AH Datasheet, PDF (7/21 Pages) Intel Corporation – MCS51 8-BIT CONTROL-ORIENTED MICROCONTROLLERS

MCS” 51 CONTROLLER
ABSOLUTE MAXIMUM RATINGS*
Ambient Temperature Under Bias –40”C to + 85°C
Storage Temperature
. –65°C to + 150°C
Voltage on EA/Vpp Pin to Vss
8751 H . . . . . . . . . . . . . . . . . –0.5V to + 21.5V
8751 BH/6752BH
–0.5V tO + 13.OV
Voltage on Any Other Pinto Vss . –0.5V to + 7V
Power Dissipation.
. . ... 1.5W
NOTICE:This is a productiondata sheet. It is valid for
the devices indicated in the revision history. The
specificationsare subject to change without notice.
*WARNING:Stressing the device beyond the “Absolute
Maximum Ratings” may cause permanent damage.
These are stress ratings orr~. Operation beyond the
“Operating Conditions” is not recommended and ex-
tended exposure beyond the “Operating Conditions”
may affect device reliabili~.
OPERATING CONDITIONS
Symbol
Description
Min
Msx
Units
TA
Ambient Temperature Under Bias
Commercial
o
+70
“c
Express
–40
+65
“c
Vcc
SupplyVoltage
4.5
5.5
v
Fosc
Oscillator Frequency
3.5
12
MHz
DC CHARACTERISTICS (Over Operating Conditions)
All parameter values apply to all devices unless otherwise indicated
Symbol
Parameter
Min
VIL
Input Low Voltage (Except ~ Pin of
–0.5
6751H and 8751H-8)
VIL1
Input Low Voltage to ~ Pin of
o
6751H and 8751H-8
VIH
Input High Voltage (Except XTAL2, RST)
2.0
VIH1 Input High Voltage to XTAL2, RST
2.5
VIH2 Input High Voltage to ~ pin
4.5
of 6751BH and 8752BH
VoL
Output Low Voltage (Ports 1,2, 3)*
VoLl
Output Low Voltage (Port O,ALE, PSEN)*
8751 H, 8751 H-8
All Others
VOH Output High Voltage (Ports 1,2,3, ALE, PSEN) 2.4
VOH1 Output High Voltage (Port Oin
2.4
External Bus Mode)
IIL
Logical O Input Current (Ports 1,2,3, and RST)
IILI
Logical O Input Current (~)
8751H and 8751H-8
8751BH
8752BH
–lo
Max
0.8
0.7
Vcc + 0.5
Vcc + 0.5
5.5V
0.45
0.60
0.45
0.45
–500
–15
–lo
0.5
Units
v
v
v
v
v
v
v
v
v
v
pA
mA
mA
mA
mA
Test Conditions
XTAL1 = Vss
loL = 1.6 mA
ioL = 3.2 mA
!OL = 2.4 mA
IOL = 3.2 mA
IOH = –80 PA
IOH = –400 pA
VIN = 0.45V
VIN = 0.45V
VIN = Vss
VIN = Vss
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