參數(shù)資料
型號: 21041
廠商: Intel Corp.
英文描述: Digital Semiconductor 21041 PCI Ethernet LAN Controller(數(shù)字半導(dǎo)體21041 PCI以太網(wǎng)LAN控制器)
中文描述: 數(shù)字半導(dǎo)體21041 PCI以太網(wǎng)局域網(wǎng)控制器(數(shù)字半導(dǎo)體21041的PCI以太網(wǎng)局域網(wǎng)控制器)
文件頁數(shù): 39/64頁
文件大?。?/td> 230K
代理商: 21041
3.5 AUI and Twisted-Pair dc Specifications
Table 17 lists the dc specifications for the AUI and twisted-pair parts of the
SIA.
Table 17 AUI and Twisted-Pair dc Specifications
Symbol
Definition
Conditions
Minimum
Maximum
Units
AUI Pins
V
od1
Transmit differential output
voltage (
aui_td
±)
78
termination
±550
±1200
mV
V
odi1
Transmit differential output idle
voltage (
aui_td
±)
78
termination
–40
+40
mV
I
odi1
Transmit differential output idle
current (
aui_td
±)
78
termination
–1
+1
mA
V
asq+1
Differential positive squelch
threshold (
aui_rd±
)
175
275
mV
V
asq
1
Differential negative squelch
threshold (
aui_rd±
and
aui_cd±
)
–275
–175
mV
V
odu1
Transmit differential output
undershoot voltage on return to
zero (
aui_td±
)
78
termination
–100
mV
Twisted-Pair Interface Pins
V
toh
Output high voltage (
tp_td±
and
tp_td±±
)
I
oh
= –25 mA
+ 2.5
V
dd
V
V
tol
Output low voltage (
tp_td
± and
tp_td±±
)
I
ol
= 25 mA
V
ss
+ 0.5
V
V
tsq+1
Differential positive squelch
threshold (
tp_rd±
)
300
520
mV
V
tsq
1
Differential negative squelch
threshold (
tp_rd±
)
–520
–300
mV
V
tdif1
Differential input voltage range
(
tp_rd
±)
–3.1
3.1
V
1
Parameter design guarantee.
31
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