AT83C51RB2-3CSCM View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT83C51RB2-3CSCM

80C51 High Performance ROM 8-bit Microcontroller

Atmel Corporation 

AT80C51RD2/AT83C51Rx2

DC Parameters for

Standard Voltage (2)

TA = 0°C to +70°C; VSS = 0 V; VCC = 2.7V to 5.5V; F = 10 to 40 MHz

TA = -40°C to +85°C; VSS = 0 V; VCC = 2.7V to 5.5V; F = 10 to 40 MHz

Symbol Parameter

Min

Typ(5)

VIL

VIH

VIH1

VOL

VOL1

VOH

VOH1

IIL

ILI

ITL

Input Low Voltage

Input High Voltage except XTAL1, RST

Input High Voltage, XTAL1, RST

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

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

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

Output High Voltage, port 0, ALE, PSEN

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

Input Leakage Current

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

and 5

-0.5

0.2 VCC + 0.9

0.7 VCC

0.9 VCC

0.9 VCC

RRST RST Pulldown Resistor

50

200

CIO Capacitance of I/O Buffer

IPD

Power-down Current

120

ICCOP Power Supply Current on normal mode

ICCIDLE Power Supply Current on idle mode

Max

0.2 VCC - 0.1

VCC + 0.5

VCC + 0.5

0.45

0.45

-50

±10

Unit Test Conditions

V

V

V

V IOL = 0.8 mA(4)

V IOL = 1.6 mA(4)

V IOH = -10 µA

V IOH = -40 µA

µA VIN = 0.45V

µA 0.45V < VIN < VCC

-650

µA VIN = 2.0V

250

10

150

0.29 x Frequency (MHz) + 4

0.16 x Frequency (MHz) + 4

kΩ

pF

Fc = 3 MHz

TA = 25°C

µA VCC =2.7V to 5.5V(3)

mA VCC = 5.5V(1)

mA VCC = 5.5V(2)

67

4113B–8051–03/05

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