參數(shù)資料
型號： AM79C983AKC
廠商： ADVANCED MICRO DEVICES INC
元件分類： 網(wǎng)絡(luò)接口
英文描述： Integrated Multiport Repeater 2 (IMR2⑩)
中文描述： DATACOM, ETHERNET TRANSCEIVER, PQFP132
封裝： PLASTIC, QFP-132
文件頁數(shù)： 51/60頁
文件大小： 348K
代理商： AM79C983AKC
Am79C983A
51
P R E L I M I N A R Y
SWITCHING CHARACTERISTICS over operating ranges unless otherwise specified
Parameter
Symbol
Clock and Reset Timing
t
MCLK
MCLK Clock Period
t
MCLKH
MCLK Clock HIGH
t
MCLKL
MCLK Clock LOW
t
MCLKR
MCLK Rise Time
t
MCLKF
MCLK Fall Time
t
ECLKH
ECLK HIGH
t
ECLKL
ECLK LOW
t
ECRR
ECLK Rise Time (When Receiving DAT)
t
ECRF
ECLK Fall Time (When Receiving DAT)
t
ECTR
ECLK Rise Time (When Transmitting DAT)
t
ECTF
ECLK Fall Time (When Transmitting DAT)
t
RST
Reset Pulse Width
t
RSTP
Reset Pulse Width on Power-Up
t
RSTSET
Reset Input Setup Time with respect to MCLK
t
RSTHLD
Reset Input Hold Time with respect to MCLK
(R)AUI Port Timing
t
DOTD
MCLK HIGH to DO Toggle
t
DOTR
DO Rise Time
tDOTF
DO Fall Time
t
DORM
DO+, DO- Rise and Fall Time Mismatch
t
DOETD
DO End Of Transmission
t
PWOD
I
DI Pulse Width Accept/Reject
Parameter Description
Test Conditions
Min
Max
Unit
49.995
20
20
-
-
0.4 t
ECLK
0.4 t
ECLK
-
-
-
-
4
150
20
0
50.005
30
30
10
10
0.6 t
ECLK
0.6 t
ECLK
10
10
10
10
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μ
s
μ
s
ns
ns
(Note 2)
(Note 2)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
-
-
-
-
30
7.0
7.0
1.0
375
45
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
275
15
|V
IN
|>|V
ASQ
|
(Note 3)
|V
IN
|>|V
ASQ
|
(Note 4)
|V
IN
|>|V
ASQ
|
(Note 5)
|V
IN
|>|V
ASQ
|
(Note 6)
(Note 1)
(Note 1)
t
PWKDI
DI Pulse Width Not to Turn Off Internal Carrier
Sense
CI Pulse Width Accept/Reject Threshold
136
220
ns
t
PWOC
I
8
26
ns
t
PWKCI
CI Pulse Width Not to Turn Off Threshold
80
160
ns
t
CITR
t
CITF
t
CIRM
RCI Rise Time (in Reverse Mode)
RCI Fall Time (In Reverse Mode)
RCI+, RCI- Rise and Fall Time Mismatch
(RAUI in Reverse Mode)
PAUI Port Timing
t
PDOTD
MCLK HIGH to DO Toggle
t
PDOETD
PDO End of Transmission
t
PWOPD
I
PDI Pulse Width Accept/Reject (Note 7)
t
PWKPDI
DI Pulse Width Not to Turn Off Internal Carrier
Sense (Note 8)
t
PWOPCI
CI Pulse Width Accept/Reject Threshold
(Note 9)
t
PWKPCI
CI Pulse Width Not to Turn Off Threshold
(Note 10)
Expansion Bus Timing
t
MHRL
MCLK HIGH to REQ Driven LOW
t
MHRH
MCLK HIGH TO REQ Driven HIGH
-
-
-
7.0
7.0
1.0
ns
ns
ns
-
30
375
45
220
ns
ns
ns
ns
(Note 1)
|V
IN
|>|V
ASQ
|
|V
IN
|>|V
ASQ
|
275
15
136
|V
IN
|>|V
ASQ
|
8
26
ns
|V
IN
|>|V
ASQ
|
80
160
ns
C
L
=100pF
C
L
=100pF
10
10
40
40
ns
ns
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參數(shù)描述
AM79C983AKCW 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Integrated Multiport Repeater 2 (IMR2⑩)
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