參數(shù)資料
型號: AM79C960
廠商: Advanced Micro Devices, Inc.
英文描述: PCnetTM-ISA Single-Chip Ethernet Controller
中文描述: PCnetTM -的ISA單芯片以太網(wǎng)控制器
文件頁數(shù): 89/127頁
文件大小: 814K
代理商: AM79C960
P R E L I M I N A R Y
AMD
1-431
Am79C960
DC CHARACTERISTICS over COMMERCIAL operating ranges unless otherwise
specified (continued)
Parameter
Symbol
Parameter Description
Test Conditions
Min
Max
Unit
Attachment Unit Interface (Continued)
I
AODOFF
Transmit Differential
Output Idle Current
R
L
= 78
(Note 4)
–1
+1
mA
V
CMT
Transmit Output Common
Mode Voltage
R
L
= 78
2.5
AV
DD
V
V
ODI
DO
±
Transmit Differential
Output Voltage Imbalance
R
L
= 78
(Note 5)
25
mV
V
ATH
Receive Data Differential
Input Threshold
(Note 5)
–35
35
mV
V
ASQ
DI
±
and CI
±
Differential
Input Threshold (Squelch)
–275
–160
mV
V
IRDVD
DI
±
and CI
±
Differential
Mode Input Voltage Range
–1.5
+1.5
V
V
ICM
DI
±
and CI
±
Input Bias
Voltage
I
IN
= 0 mA
AV
DD
–3.0
AV
DD
–1.0
V
V
OPD
DO
±
Undershoot Voltage
at Zero Differential on
Transmit Return to
Zero (ETD)
Twisted Pair Interface
(Note 5)
–100
mV
I
IRXD
Input Current at RXD
±
AV
SS
< V
IN
< AV
DD
–500
500
μ
A
R
RXD
RXD
±
Differential Input
Resistance
(Note 5)
10
K
V
TIVB
RXD+, RXD– Open Circuit
Input Voltage (Bias)
I
IN
= 0 mA
AV
DD
– 3.0
AV
DD
– 1.5
V
V
TIDV
Differential Mode Input
Voltage Range (RXD
±
)
AV
DD
= +5 V
–3.1
+3.1
V
V
TSQ+
RXD Positive Squelch
Threshold (Peak)
Sinusoid
5 MHz
f
10 MHz
300
520
mV
V
TSQ–
RXD Negative Squelch
Threshold (Peak)
Sinusoid
5 MHz
f
10 MHz
–520
–300
mV
V
THS+
RXD Post-Squelch
Positive Threshold (Peak)
Sinusoid
5 MHz
f
10 MHz
150
293
mV
V
THS–
RXD Post-Squelch
Negative Threshold (Peak)
Sinusoid
5 MHz
f
10 MHz
–293
–150
mV
V
LTSQ+
RXD Positive Squelch
Threshold (Peak)
LRT = 1 (Note 6)
180
312
mV
V
LTSQ–
RXD Negative Squelch
Threshold (Peak)
LRT = 1 (Note 6)
–312
–180
mV
V
LTHS+
RXD Post-Squelch Positive
Threshold (Peak)
LRT = 1 (Note 6)
90
156
mV
V
LTHS–
RXD Post-Squelch
Negative Threshold (Peak)
LRT = 1 (Note 6)
–156
–90
mV
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