參數(shù)資料
型號: DM9008F
廠商: Electronic Theatre Controls, Inc.
英文描述: ISA/Plug & Play Super Ethernet Contoller
中文描述: 的ISA /插頭
文件頁數(shù): 4/68頁
文件大小: 403K
代理商: DM9008F
DM9008
ISA/Plug & Play Super Ethernet Contoller
4
Final
Version :DM9008-DS-F02
June 14, 2000
DC Electrical Characteristics (continued)
Symbol
Parameter
Min.
Max.
Unit
Conditions
VDS
Differential Squelch Threshold (RX
±
and CD
±
)
-175
(Note 5)
-300
mV
VCM
Differential Input Common Mode
Voltage (RX
±
and CD
±
) (Note 5)
0
5.5
V
Twisted Pair Interface Pins (TPTX+/TPTX-)
Vtidf
TP input voltage
.350
2.0
V
-
Vil
Vih
LI:
low
high
-
2.4
0.8
-
V
V
-
-
Note 1: These levels are tested dynamically using a limited number of functional test patterns. Refer to AC Test Load.
Note 2: The low drive CMOS compatible Voh and Vol limits are not tested directly. Detailed device characterization verifies
that this specification can be guaranteed by testing the high drive TTL compatibl e Vol and Voh specifications.
Note 3: This measurement is made while the DM9008 is undergoing transmission, reception, and collision. The value is
not measured instantaneously, but is averaged over a span of several milliseconds.
Note 4: This measurement is made while the DM9008 is sitting idle of transmission. This measurement is described in note
1.
Note 5: This parameter is guaranteed by design and is not tested.
Note 6: Except RST, IORB, IOWB which are Schmitt trigger with Vil = 1.0V, Vih = 2.8V.
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