am79c960 Advanced Micro Devices, am79c960 Datasheet - Page 89

• Manufacturer Part Number: am79c960
• Description: Pcnettm-isa Single-chip Ethernet Controller
• Manufacturer: Advanced Micro Devices

DC CHARACTERISTICS over COMMERCIAL operating ranges unless otherwise
specified (continued)
Parameter
Attachment Unit Interface (Continued)
Twisted Pair Interface
Symbol
I
V
V
V
V
V
AODOFF
V
V
V
V
V
V
V
V
V
R
V
I
V
V
IRDVD
LTSQ+
LTSQ–
LTHS+
LTHS–
IRXD
TSQ+
TSQ–
THS+
THS–
TIVB
TIDV
CMT
ASQ
OPD
RXD
ATH
ODI
ICM
Transmit Differential
Output Idle Current
Transmit Output Common
Mode Voltage
DO Transmit Differential
Output Voltage Imbalance
Receive Data Differential
Input Threshold
DI and CI Differential
Input Threshold (Squelch)
DI and CI Differential
Mode Input Voltage Range
DI and CI Input Bias
Voltage
DO Undershoot Voltage
at Zero Differential on
Transmit Return to
Zero (ETD)
Input Current at RXD
RXD Differential Input
Resistance
RXD+, RXD– Open Circuit
Input Voltage (Bias)
Differential Mode Input
Voltage Range (RXD )
RXD Positive Squelch
Threshold (Peak)
RXD Negative Squelch
Threshold (Peak)
RXD Post-Squelch
Positive Threshold (Peak)
RXD Post-Squelch
Negative Threshold (Peak)
RXD Positive Squelch
Threshold (Peak)
RXD Negative Squelch
Threshold (Peak)
RXD Post-Squelch Positive
Threshold (Peak)
RXD Post-Squelch
Negative Threshold (Peak)
Parameter Description
R
R
R
(Note 5)
I
(Note 5)
AV
(Note 5)
I
AV
Sinusoid
5 MHz
Sinusoid
5 MHz
Sinusoid
5 MHz
Sinusoid
5 MHz
LRT = 1 (Note 6)
LRT = 1 (Note 6)
LRT = 1 (Note 6)
LRT = 1 (Note 6)
P R E L I M I N A R Y
IN
IN
L
L
L
= 0 mA
SS
= 0 mA
DD
= 78
= 78
= 78
Test Conditions
< V
= +5 V
Am79C960
f 10 MHz
f 10 MHz
f 10 MHz
f 10 MHz
IN
(Note 4)
(Note 5)
< AV
DD
AV
AV
DD
–275
–500
–520
–293
–312
–156
–1.5
–3.1
Min
DD
–35
300
150
180
2.5
–1
10
90
–3.0
– 3.0
AV
AV
AV
–160
–100
DD
–300
–150
–180
Max
+1.5
+3.1
DD
500
520
293
312
156
–90
+1
25
35
DD
–1.0
– 1.5
AMD
Unit
mA
mV
mV
mV
mV
K
mV
mV
mV
mV
mV
mV
mV
mV
V
V
V
V
V
1-431
A