78Q2120 Ver la hoja de datos (PDF) - TDK Corporation

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78Q2120

10/100BASE-TX Ethernet Transceiver

TDK Corporation 

DIGITAL INPUT CHARACTERISTICS

PINS OF TYPE I, I/O

CHARACTERISTICS

TTL Input Voltage Low

TTL Input Voltage High

TTL Input Current

Input Capacitance

SYMBOL CONDITIONS

VIL

VIH

IIL, IIH

CIN

VCC = 5.5V

DIGITAL OUTPUT CHARACTERISTICS

PINS OF TYPE O, OZ

Output Voltage High

VOH

Output Voltage Low

VOL

Output Transition Time

Tt

Between VOL and VOH

Output Voltage High

VOH

Output Voltage Low

VOL

Output Transition Time

Tt

Between VOL and VOH

4.5V ≤ VCC ≤ 5.5V

IOH = 4.0mA

4.5V ≤ VCC ≤ 5.5V

IOL = 4.0mA

4.5V ≤ VCC ≤ 5.5V

IOH, IOL = 4.0mA

3.0V ≤ VCC ≤ 3.6V

IOH = 2.0mA

3.0V ≤ VCC ≤ 3.6V

IOL = 2.0mA

3.0V ≤ VCC ≤ 3.6V

IOH, IOL = 2.0mA

78Q2120

10/100BASE-TX

Ethernet Transceiver

MIN

NOM MAX

UNIT

0.8

V

2.0

V

-10

+10

µA

10

pF

VCC-0.6

V

0.4

V

5

ns

VCC-0.4

V

0.4

V

5

ns

19

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