82503 datasheet(21/45 Pages) INTEL

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82503

DC CHARACTERISTICS (TC e 0 Cto a85 C VCC e 5V g5% VCCA e 5V g5%) (Continued)

Symbol

Parameter

Min

Max

Units

Test Conditions

IOSC(AUI) AUI Output Short Circuit Current

150

Short Circuit to VCC or GND

VU(AUI)

Output Differential Undershoot

100

VODI(AUI) Differential Idle Voltage(11)

ICC(HOT) Power Supply Current(12)

APORT e 1

ICC

Power Supply Current

APORT e 1

ICC

Power Supply Current

APORT e 0

ICCSB

Standby Supply Current(13)

Low Power Mode 20 mA Typical

PD (HOT) Power Dissipation(12)

038

APORT e 1 Continuous Transmission

on AUI

Power Dissipation

040

APORT e 1 Continuous Transmission

on AUI

PDSB

Standby Power Dissipation(13)

525

Low Power Mode 105 mW Typical

CIN(14)

Input Capacitance

at f e 1 MHz

NOTES

11 Measured 80 ms after last positive transition of data packet

12 ICC HOT measurements made at TC ea85 C Additionally TRMT TRMT TDH TDH TDL TDL are loaded with 20 pF

and load resistors removed

13 Pins CS0 and CS1 connected to VCC or VSS through a 25 kX (or less) resistor ICCSB is typically at 20 mA after 30s

from power down assertionnot tested

14 Characterized not tested (Controller interface and mode pins only)

AC TIMING CHARACTERISTICS

290421 – 8

Figure 9 MOS Input Voltage Levels

(TTL Compatible) for Timing Measurements

(TxD RTS TPEAUI APORT APOLXSQ

LID LPBK JABD TEST and RESET)

290421 – 9

Figure 10 Voltage Levels for MOS Level

Output Timing Measurements

(TxC RxD RxC CRS and CDT)

290421 – 10

Figure 11 Voltage Levels for Differential Input

Timing Measurements (RCV and CLSN Pairs)

290421 – 11

Figure 12 Voltage Levels for TRMT Pair

Output Timing Measurements

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