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8051AHP View Datasheet(PDF) - Intel

Part NameDescriptionManufacturer
8051AHP MCS@51 8-BIT CONTROL-ORIENTED MICROCONTROLLERS Intel
Intel Intel
8051AHP Datasheet PDF : 21 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MCS” 51 CONTROLLER
DC CHARACTERISTICS (Over Operating Conditions)
All o~ara.m-.e.t.er v.—alu.es a_r rmrl.v ,to.a-ll.devices unless otherwise indicated (Continued)
Symbol
Parameter
Min Max Units
11L2
Logical OInput Current (XTAL2)
–3.2 mA
ILI
Input Leakage Current (Porf O)
8751 H and 8751 H-8
All Others
* 1or) pA
t 10 pA
IIH
Logical 1 Input Current (~)
8751H and 8751H-8
8751BH/8752BH
500 pA
1 mA
IIH1
Input Current to RST to Activate Reset
500 pA
Icc
Power Supply Current:
8031AH/8051 AH/8051AHP
8032AH/8052AH/8751 BH/8752BH
8751H/8751 H-8
125 mA
175 mA
250 mA
Clo
Pin Capacitance
10
pF
Teat Conditions
VIN = 0.45V
0.45< VIN < VCC
0.45< VIN < VCC
VIN= 2.4V
4.5V < VIN < 5.5V
VIN < (Vcc – 1.5V)
All Outputs
Disconnected;
m = Vcc
Test freq = 1 MHz
NOTES:
1. Capacitive loading on PortsOand 2 may csuse spurious noise pulses to be superimposed on the VOLS of ALE/PROG
and Ports 1 and 3. The noise is dueto externalbuscapacitancedischarginginto the PortOand Port2 pinswhenthesepins
make 1-to-Otransitionsduringbus operations.In the worst cases(capacitiveloading > 100 pF), the noise pulse on the
ALE/PROGpin mayexceed0.8V.In suchcasesit maybe desirableto qualifyALEwitha SchmittTrigger,or usean address
latchwith a Schmi~TriggerSTROBEinput.
2, ALE/PROGrefersto a pin on the 8751BH.ALErefersto a timingsignalthat is outputon the ALE/PROGpin.
3. Understeadystate(non-transientc)onditions,loL mustbe externallylimitedas follows:
MaximumloL per port pin:
10 mA
MaximumloL per 8-bitpori -
Porto: 26 mA
Ports1, 2, and 3: 15 mA
Maximumtotal toL for all outputpins: 71 mA
If loL exceedsthe test condition,VOLmayexceedthe relatedspecificationP. insare not guaranteedto sinkcurrentgreater
than the listedtest conditions.
8
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