T89C51RD2-3CWC-M datasheet(72/86 Pages) ATMEL

72 / 86 page

Rev. F - 15 February, 2001

T89C51RD2

9.3. DC Parameters for Standard Voltage (2)

TA =0

°Cto+70°C; V

SS =0V;VCC =3Vto5.5 V;F=0to33 MHz.

TA = -40

°Cto+85°C; V

SS =0V;VCC =3Vto5.5 V;F=0to33 MHz.

Table 36. DC Parameters for Standard Voltage (2)

Symbol

Parameter

Min

Typ(5)

Max

Unit

Test Conditions

VIL

Input Low Voltage

-0.5

0.2 VCC - 0.1

VIH

Input High Voltage except XTAL1, RST

0.2 VCC + 0.9

VCC + 0.5

VIH1

Input High Voltage, XTAL1, RST

0.7 VCC

VCC + 0.5

VOL

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

0.45

IOL = 0.8 mA

(4)

VOL1

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

0.45

IOL = 1.6 mA

(4)

VOH

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

0.9 VCC

IOH = -10 µA

VOH1

Output High Voltage, port 0, ALE, PSEN

0.9 VCC

IOH = -40 µA

IIL

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

-50

µA

Vin = 0.45 V

ILI

Input Leakage Current

±10

µA

0.45 V < Vin < VCC

ITL

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

4 and 5

-650

µA

Vin = 2.0 V

RRST

RST Pulldown Resistor

200

Ω

CIO

Capacitance of I/O Buffer

Fc = 1 MHz

TA = 25

°C

IPD

Power Down Current

120

150

µA

VCC = 3 V to 5.5 V

(3)

ICCOP

Power Supply Current on normal mode

0.7 Freq

(MHz) + 3 mA

VCC = 5.5 V

(1)

ICCIDLE

Power Supply Current on idle mode

0.5 Freq

(MHz) + 2 mA

VCC = 5.5 V

(2)

T89C51RD2-3CWC-M Datasheet(PDF) 72 Page - ATMEL Corporation

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