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78Q2120

10/100BASE-TX Ethernet Transceiver

TDK Corporation 

78Q2120

10/100BASE-TX

Ethernet Transceiver

ELECTRICAL SPECIFICATIONS

ABSOLUTE MAXIMUM RATINGS

Operation above maximum rating may permanently damage the device.

PARAMETER

DC Supply Voltage

Storage Temperature

Pin Voltage

Pin Current

RATING

7 VDC

-65 to 150°C

-0.3 to (Vcc+0.3) VDC

± 100 mA

RECOMMENDED OPERATING CONDITIONS

Unless otherwise noted all specifications are valid over these temperatures and supply voltage ranges:

DC Voltage Supply, Vcc

3.3 V ± 0.3V, 5 V ± 0.5V VDC

Ambient Operating Temperature, Ta

0 - 70°C

DC CHARATERISTICS:

PARAMETER

Supply Current

Supply Current

Supply Current

SYMBOL

ICC

ICC

ICC

CONDITIONS

VCC = 3.3V;

Auto-Negotiation

10BT (Idle)

10BT (Normal Activity)

100BTX

Transmit High

Impedance

VCC = 5.0V;

Auto-Negotiation

10BT (Idle)

10BT (Normal Activity)

100BTX

Transmit High

Impedance

Powerdown mode

MIN

NOM MAX

25

30

25

30

85

100

95

115

30

35

30

35

30

35

90

115

105

135

35

40

500

800

UNIT

mA

mA

µA

18

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