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VSC8540RT bảng dữ liệu(PDF) 65 Page - Microchip Technology

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2022 Microchip Technology Inc. and its subsidiaries
DS60001603E-page 65
VSC8540RT
8.3
DC Characteristics
The following sections discuss DC characteristics.
8.3.1
VDDMAC, VDDIO, AND VDDMDIO (2.5V)
The following table shows the DC specifications for the pins referenced to VDDMAC, VDDIO, and VDDMDIO when it is
set to 2.5V. The specifications listed in the following table are valid only when VDD1 = 1.0V, VDD1A = 1.0V, and
VDD25A = 2.5V.
8.3.2
VDDMAC, VDDIO, AND VDDMDIO (3.3V)
The following table shows the DC specifications for the pins referenced to VDDMAC, VDDIO, and VDDMDIO when it is
set to 3.3V. The specifications listed in the following table are valid only when VDD1 = 1.0V, VDD1A = 1.0V, and
VDD25A = 2.5V.
8.3.3
VDDMAC AND VDDMDIO (1.5V)
The following table shows the DC specifications for the pins referenced to VDDMAC and VDDMDIO when it is set to
1.5V. The specifications listed in the following table are valid only when VDD1 = 1.0V, VDD1A = 1.0V, VDD25A = 2.5V,
and VDDIO = 2.5V or 3.3V.
3.3V power supply voltage for VDDMAC, VDDIO, and VDDM-
DIO
V33
3.135
3.3
3.465
V
1.8V power supply voltage for VDDMAC and VDDMDIO
V18
1.71
1.8
1.89
V
1.5V power supply voltage for VDDMAC and VDDMDIO
V15
1.425
1.5
1.575
V
1.2V power supply voltage for VDDMDIO
V12
1.14
1.2
1.26
V
VSC8540RT ambient operating temperature
Ta
–55
+125
°C
TABLE 8-3:
VDDMAC, VDDIO, AND VDDMDIO (2.5 V) DC CHARACTERISTICS
Parameter
Symbol Minimum
Typical
Maximum
Unit
Condition
Output high voltage
VOH
2.0
V
IOH = –1.0 mA
Output low voltage
VOL
0.4
V
IOL = 1.0 mA
Input high voltage
VIH
1.85
3.6
V
Input high voltage
VIH
1.85
3.1
V
SMI pins (MDC, MDIO)
Input high voltage
VIH
1.85
2.75
V
VDDMAC-referenced pins
Input low voltage
VIL
–0.3
0.7
V
Input leakage current
IILEAK
–85
85
µA
Internal resistor included
Output leakage current
IOLEAK
–85
85
µA
Internal resistor included
TABLE 8-4:
VDDMAC, VDDIO, AND VDDMDIO (3.3 V) DC CHARACTERISTICS
Parameter
Symbol
Minimum
Typical
Maximum
Unit
Condition
Output high voltage
VOH
2.6
V
IOH = –1.0 mA
Output low voltage
VOL
0.4
V
IOL = 1.0 mA
Input high voltage
VIH
2.25
3.6
V
Input low voltage
VIL
–0.3
0.8
V
Input leakage current
IILEAK
–135
135
µA
Internal resistor included
Output leakage current
IOLEAK
–135
135
µA
Internal resistor included
TABLE 8-5:
VDDMAC AND VDDMDIO DC CHARACTERISTICS (1.5 V)
Parameter
Symbol Minimum
Typical
Maximum
Unit
Condition
Output high voltage
VOH
1.2
V
IOH =–1mA
TABLE 8-2:
RECOMMENDED OPERATING CONDITIONS (CONTINUED)
Parameter
Symbol Minimum Typical Maximum Unit



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