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VSC8540RT 数据表(PDF) 66 Page - Microchip Technology

部件名 VSC8540RT
功能描述  Radiation-Tolerant Single Port Fast Ethernet Copper PHY with RGMII/MII/RMII Interfaces
PDF  87 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

VSC8540RT 数据表(HTML) 66 Page - Microchip Technology

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VSC8540RT
DS60001603E-page 66
2022 Microchip Technology Inc. and its subsidiaries
8.3.4
VDDMAC AND VDDMDIO (1.8V)
The following table shows the DC specifications for the pins references to VDDMAC and VDDMDIO when it is set to
1.8V. 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.
8.3.5
VDDMDIO (1.2V)
The following table shows the DC specifications for the pins referenced to VDDMDIO when it is set to 1.2V. The speci-
fications listed in the following table are valid only when VDD1 = 1.0V, VDD1A = 1.0V, and VDD25A = 2.5V.
8.3.6
XTAL1
The following table shows the DC specifications for the XTAL1 pin referenced to VDD25A. The specifications listed in
the following table are valid only when VDD1 = 1.0V, VDD1A = 1.0V, and the on-chip oscillator is turned off.
Output low voltage
VOL
0.25
V
IOL =1mA
Input high voltage
VIH
1.13
1.87
V
VDDMDIO-referenced pins
Input high voltage
VIH
1.13
1.65
V
VDDMAC-referenced pins
Input low voltage
VIL
–0.375
0.45
V
Input leakage current
IILEAK
–40
40
µA
Internal resistor included
Output leakage current
IOLEAK
–40
40
µA
Internal resistor included
TABLE 8-6:
VDDMAC AND VDDMDIO DC CHARACTERISTICS (1.8 V)
Parameter
Symbol Minimum Typical Maximum Unit
Condition
Output high voltage
VOH
1.43
V
IOH =–1mA
Output low voltage
VOL
0.3
V
IOL =1mA
Input high voltage
VIH
1.35
2.25
V
VDDMDIO-referenced pins
Input high voltage
VIH
1.35
1.98
V
VDDMAC-referenced pins
Input low voltage
VIL
–0.45
0.54
V
Input leakage current
IILEAK
–48
48
µA
Internal resistor included
Output leakage current
IOLEAK
–48
48
µA
Internal resistor included
TABLE 8-7:
VDDMDIO DC CHARACTERISTICS
Parameter
Symbol
Minimum Typical Maximum
Unit
Condition
Output high voltage
VOH
0.95
V
IOH =–1mA
Output low voltage
VOL
0.2
V
IOL =1mA
Input high voltage
VIH
0.9
1.5
V
Input low voltage
VIL
–0.3
0.36
V
Input leakage current
IILEAK
–32
32
µA
Internal resistor included
Output leakage current
IOLEAK
–32
32
µA
Internal resistor included
TABLE 8-8:
XTAL1 DC CHARACTERISTICS
Parameter
Symbol
Minimum
Typical
Maximum
Unit
Input high voltage
VIH
1.85
2.75
V
Input low voltage
VIL
–0.3
0.7
V
Input leakage current
IILEAK
–85
85
µA
Output leakage current
IOLEAK
–85
85
µA
TABLE 8-5:
VDDMAC AND VDDMDIO DC CHARACTERISTICS (1.5 V) (CONTINUED)
Parameter
Symbol Minimum
Typical
Maximum
Unit
Condition



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