91C94 Datasheet, PDF (94/120 Pages) SMSC Corporation – ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM

PARAMETER
MIN
10BASE-T
Receiver Threshold Voltage
Receiver Squelch
300
Receiver Common Mode Range
0
Transmitter Output:
Voltage
±2
Source Resistance
Transmitter Output DC Offset
Transmitter Backswing Voltage to Idle
Differential Input Voltage
±0.585
AUI
Receiver Threshold Voltage
Receiver Squelch
180
Receiver Common Mode Range
0
Transmitter Output Voltage (R=78Ω)
±0.45
Transmitter Backswing Voltage to Idle
Input Differential Voltage
±0.3
Output Short Circuit (to VCC or GND) Current
Differential Idle Voltage (measured 8.0 µs after
last positive transition of data frame)
TYP
100
400
±2.5
60
240
±0.85
CAPACITIVE LOAD ON OUTPUTS
nIOCS16, IOCHRDY
INTR0-3
All other outputs
240 pF
120 pF
45 pF
MAX
585
VDD
±3
10
50
100
±3
300
VDD
±1.2
100
±1.2
±150
±40
UNITS
mV
mV
V
ohms
mV
mV
V
mV
mV
V
mV
V
mA
mV
94