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27
4428E–8051–02/08
AT/TS80C31X2
14.4
DC Parameters for Low Voltage
TA = 0°C to +70°C; VSS = 0 V; VCC = 2.7 V to 5.5 V ± 10%; F = 0 to 30 MHz.
TA = -40°C to +85°C; VSS = 0 V; VCC = 2.7 V to 5.5 V ± 10%; F = 0 to 30 MHz.
Table 14-2.
DC Parameters for Low Voltage
Note:
1. I
CC under reset is measured with all output pins disconnected; XTAL1 driven with TCLCH, TCHCL
= 5 ns (see Figure 14-5.), V
IL = VSS + 0.5 V,
I
CC
idle
Power Supply Current Maximum values, X1
mode: (7)
0.25+0.3 Freq
(MHz)
@12MHz 3.9
@16MHz 5.1
mA
V
CC = 5.5 V
(2)
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
V
IL
Input Low Voltage
-0.5
0.2 V
CC - 0.1
V
IH
Input High Voltage except XTAL1, RST
0.2 V
CC + 0.9
V
CC + 0.5
V
IH1
Input High Voltage, XTAL1, RST
0.7 V
CC
V
CC + 0.5
V
OL
Output Low Voltage, ports 1, 2, 3 (6)
0.45
V
I
OL = 0.8 mA
(4)
V
OL1
Output Low Voltage, port 0, ALE, PSEN (6)
0.45
V
I
OL = 1.6 mA
(4)
V
OH
Output High Voltage, ports 1, 2, 3
0.9 V
CC
V
I
OH = -10 A
V
OH1
Output High Voltage, port 0, ALE, PSEN
0.9 V
CC
V
I
OH = -40 A
I
IL
Logical 0 Input Current ports 1, 2 and 3
-50
A
Vin = 0.45 V
I
LI
Input Leakage Current
±10
A
0.45 V < Vin < V
CC
I
TL
Logical 1 to 0 Transition Current, ports 1, 2, 3
-650
A
Vin = 2.0 V
R
RST
RST Pulldown Resistor
50
90 (5)
200
k
CIO
Capacitance of I/O Buffer
10
pF
Fc = 1 MHz
TA = 25°C
IPD
Power Down Current
20 (5)
10 (5)
50
30
A
VCC = 2.0 V to 5.5 V
(3)
VCC = 2.0 V to 3.3 V
(3)
I
CC
under
RESET
Power Supply Current Maximum values, X1
mode: (7)
1 + 0.2 Freq
(MHz)
@12MHz 3.4
@16MHz 4.2
mA
VCC = 3.3 V
(1)
I
CC
operating
Power Supply Current Maximum values, X1
mode: (7)
1 + 0.3 Freq
(MHz)
@12MHz 4.6
@16MHz 5.8
mA
VCC = 3.3 V
(8)
I
CC
idle
Power Supply Current Maximum values, X1
mode: (7)
0.15 Freq
(MHz) + 0.2
@12MHz 2
@16MHz 2.6
mA
V
CC = 3.3 V
(2)
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