AT80C51RB2-3CSIM datasheet(66/83 Pages) ATMEL

66 / 83 page

AT80C51RD2/AT83C51Rx2

4113B–8051–03/05

DC Parameters for

Standard Voltage (2)

TA = 0

°C to +70°C; V

SS = 0 V; VCC = 2.7V to 5.5V; F = 10 to 40 MHz

TA = -40

°C to +85°C; V

SS = 0 V; VCC = 2.7V to 5.5V; F = 10 to 40 MHz

Symbol

Parameter

Min

Typ(5)

Max

Unit

Test Conditions

Input Low Voltage

-0.5

0.2 V

CC - 0.1

Input High Voltage except XTAL1, RST

0.2 V

CC + 0.9

CC + 0.5

IH1

Input High Voltage, XTAL1, RST

0.7 V

CC + 0.5

Output Low Voltage, ports 1, 2, 3, 4 and 5 (6)

0.45

OL = 0.8 mA

(4)

OL1

Output Low Voltage, port 0, ALE, PSEN (6)

0.45

OL = 1.6 mA

(4)

Output High Voltage, ports 1, 2, 3, 4 and 5

0.9 V

OH = -10 µA

OH1

Output High Voltage, port 0, ALE, PSEN

0.9 V

OH = -40 µA

Logical 0 Input Current ports 1, 2, 3, 4 and 5

-50

µAV

IN = 0.45V

Input Leakage Current

±10

µA

0.45V < V

IN < VCC

Logical 1 to 0 Transition Current, ports 1, 2, 3, 4

and 5

-650

µAV

IN = 2.0V

RST

RST Pulldown Resistor

200

250

Ω

CIO

Capacitance of I/O Buffer

Fc = 3 MHz

TA = 25

°C

Power-down Current

120

150

µAV

CC =2.7V to 5.5V

(3)

CCOP

Power Supply Current on normal mode

0.29 x Frequency (MHz) + 4

CC = 5.5V

(1)

CCIDLE

Power Supply Current on idle mode

0.16 x Frequency (MHz) + 4

CC = 5.5V

(2)

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