AM79C973BKC AMD (ADVANCED MICRO DEVICES), AM79C973BKC Datasheet - Page 229

• Manufacturer Part Number: AM79C973BKC
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM79C973BKC

• Lead Free Status / Rohs Status: Not Compliant

SWITCHING CHARACTERISTICS: EXTERNAL ADDRESS DETECTION
INTERFACE
Note:
1. May need to delay RX_CLK to capture Start Frame Byte Delimiter (SFBD) at 100 Mbps operation. Analog I/O - MLT-3 Mode
Analog I/O - MLT-3 Mode
10BASE-T Mode
External Address Detection Interface: Internal PHY @ 25 MHz
t
tEAD8
t
t
External Address Detection Interface: Internal PHY @ 2.5 MHz
t
t
t
Receive Frame Tag Timing with Media Independent Interface
t
t
t
t
EAD7
EAD9
EAD10
EAD11
EAD12
EAD13
EAD14
EAD15
EAD16
EAD17
Symbol
Symbol
Parameter
V
V
V
V
V
Symbol
OUT
DIFF
TXD
SDA
SDD
I
IX
Output Voltage on TX± (peak)
Input Differential Squelch
Assert on RX± (peak)
Input Differential Deassert
Threshold (peak to peak)
Threshold (peak to peak)
Parameter Description
Parameter Description
Input Differential Assert
SFBD change to
EAR deassertion to
rising edge)
EAR assertion after SFD event
(frame rejection)
EAR assertion width
EAR deassertion to
rising edge)
EAR assertion after SFD event
(frame rejection)
EAR assertion width
RXFRTGE assertion to SF/BD (first
rising edge)
RXFRTGE, RXFRTGD setup to
RX_CLK
RXFRTGE, RXFRTGD hold to
RX_CLK
RXFRTGE deassertion to
Input Leakage Current
Output Peak Voltage
Parameter Name
RX_CLK
RX_CLK (first
RX_CLK (first
RX_DV
P R E L I M I N A R Y
Am79C973/Am79C975
Test Conditions
Test Conditions
RX_CLK @25 MHz
RX_CLK @2.5 MHz
Test Condition
Minimum
Minimum
1.55
300
950
200
-10
--
0
40
0
50
400
0
500
0
10
10
40
400
Min
Maximum
Maximum
1,000
20 (Note 1) ns
5,080
50,800
1050
1.98
520
10
--
Max
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
Unit
mV
Unit
mV
mV
mV
V
A
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