AT80C51RD2_05 Datasheet, PDF (66/83 Pages) ATMEL Corporation – 80C51 High Performance ROM 8-bit Microcontroller

AT80C51RD2/AT83C51Rx2
DC Parameters for
Standard Voltage (2)
TA = 0°C to +70°C; V_SS = 0 V; V_CC = 2.7V to 5.5V; F = 10 to 40 MHz
TA = -40°C to +85°C; V_SS = 0 V; V_CC = 2.7V to 5.5V; F = 10 to 40 MHz
Symbol Parameter
Min
Typ⁽⁵⁾
V_IL
V_IH
V_IH1
V_OL
V_OL1
V_OH
V_OH1
I_IL
I_LI
I_TL
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 V_CC + 0.9
0.7 V_CC
0.9 V_CC
0.9 V_CC
R_RST RST Pulldown Resistor
50
200
CIO Capacitance of I/O Buffer
I_PD
Power-down Current
120
I_CCOP Power Supply Current on normal mode
I_CCIDLE Power Supply Current on idle mode
Max
0.2 V_CC - 0.1
V_CC + 0.5
V_CC + 0.5
0.45
0.45
-50
±10
Unit Test Conditions
V
V
V
V I_OL = 0.8 mA⁽⁴⁾
V I_OL = 1.6 mA⁽⁴⁾
V I_OH = -10 µA
V I_OH = -40 µA
µA V_IN = 0.45V
µA 0.45V < V_IN < V_CC
-650
µA V_IN = 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 V_CC =2.7V to 5.5V⁽³⁾
mA V_CC = 5.5V⁽¹⁾
mA V_CC = 5.5V⁽²⁾
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4113B–8051–03/05