63
AT/TSC8x251G2D
4135F–8051–11/06
DC Characteristics
High Speed Versions - Commercial, Industrial, and Automotive
Table 55.
DC Characteristics; VDD = 4.5 to 5.5 V, TA = -40 to +85°C
Symbol
Parameter
Min
Typical(4)
Max
Units
Test Conditions
VIL
Input Low Voltage
(except EA#, SCL, SDA)
-0.5
0.2VDD - 0.1
V
VIL1
(5)
Input Low Voltage
(SCL, SDA)
-0.5
0.3VDD
V
VIL2
Input Low Voltage
(EA#)
00.2VDD - 0.3
V
VIH
Input high Voltage
(except XTAL1, RST, SCL, SDA)
0.2VDD + 0.9
VDD + 0.5
V
VIH1
(5)
Input high Voltage
(XTAL1, RST, SCL, SDA)
0.7VDD
VDD + 0.5
V
VOL
Output Low Voltage
(Ports 1, 2, 3)
0.3
0.45
1.0
V
IOL = 100 μA
(1)(2)
IOL = 1.6 mA(1)(2)
IOL = 3.5 mA
(1)(2)
VOL1
Output Low Voltage
(Ports 0, ALE, PSEN#, Port 2 in Page Mode during
External Address)
0.3
0.45
1.0
V
IOL = 200 μA(1)(2)
IOL = 3.2 mA
(1)(2)
IOL = 7.0 mA
(1)(2)
VOH
Output high Voltage
(Ports 1, 2, 3, ALE, PSEN#)
VDD - 0.3
VDD - 0.7
VDD - 1.5
V
IOH = -10 μA
(3)
IOH = -30 μA
(3)
IOH = -60 μA(3)
VOH1
Output high Voltage
(Port 0, Port 2 in Page Mode during External Address)
VDD - 0.3
VDD - 0.7
VDD - 1.5
V
IOH = -200 μA
IOH = -3.2 mA
IOH = -7.0 mA
VRET
VDD data retention limit
1.8
V
IIL0
Logical 0 Input Current
(Ports 1, 2, 3)
- 50
μAVIN = 0.45 V
IIL1
Logical 1 Input Current
(NMI)
+ 50
μAVIN = VDD
ILI
Input Leakage Current
(Port 0)
± 10
μA0.45 V < VIN < VDD
ITL
Logical 1-to-0 Transition Current
(Ports 1, 2, 3 - AWAIT#)
- 650
μAVIN = 2.0 V
RRST
RST Pull-Down Resistor
40
110
225
k
Ω
CIO
Pin Capacitance
10
pF
TA = 25°C
IDD
Operating Current
20
25
35
25
30
40
mA
FOSC = 12 MHz
FOSC = 16 MHz
FOSC = 24 MHz
IDL
Idle Mode Current
5
6.5
9.5
8
10
14
mA
FOSC = 12 MHz
FOSC = 16 MHz
FOSC = 24 MHz
IPD
Power-Down Current
2
20
μAVRET < VDD < 5.5 V
VPP
Programming supply voltage
12.5
13
V
TA = 0 to +40°C
IPP
Programming supply current
75
mA
TA = 0 to +40°C
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