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參數(shù)資料
| 型號： | AM79C985 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | enhanced Integrated Multiport Repeater Plus (eIMR+⑩) |
| 中文描述： | 強化的綜合多端中繼器加（eIMR⑩） |
| 文件頁數(shù)： | 37/48頁 |
| 文件大?。?/td> | 260K |
| 代理商： | AM79C985 |
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Am79C985
37
P R E L I M I N A R Y
SWITCHING CHARACTERISTICS
Parameter
Symbol
Clock and Reset Timing
t
CLK
t
CLKH
t
CLKL
t
CLKR
t
CLKF
t
PRST
t
RST
t
RSTSET
t
RSTHLD
Parameter Description
Test Conditions
Min
Max
Unit
CLK Clock Period
CLK Clock High
CLK Clock Low
CLK Rise Time
CLK Fall Time
Reset Pulse Width after Power On
Reset Pulse Width
Reset HIGH Setup Time with respect to CLK
Reset LOW Hold Time
AMODE, SELI
0
, CRS_I, and SI_D Setup
Time to Rising Edge of RST
AMODE,SELI
0
, CRS_I and SI_D Hold Time
from Rising Edge of RST
AUI Port Timing
t
DOTD
CLK Rising Edge to DO Toggle
t
DOTR
DO+, DO– Rise Time (10% to 90%)
t
DOTF
DO+, DO– Fall Time (90% to 10%)
t
DORM
DO+, DO– Rise and Fall Time Mismatch
t
DOETD
DO
±
End of Transmission
t
PWODI
DI Pulse Width Accept/Reject Threshold
DI Pulse Width Not to Turn-off Internal
Carrier Sense
t
PWOCI
CI Pulse Width Accept/Reject Threshold
t
PWKCI
CI Pulse Width Not to Turn-off Threshold
t
CITR
CI Rise Time (In Reverse Mode)
t
CITF
CI Fall Time (In Reverse Mode)
CI+, CI– Rise and Fall Time Mismatch
(AUI in Reverse Mode)
Expansion Bus Timing
t
CLKHRL
CLK HIGH to SELO Driven LOW
t
CLKHRH
CLK HIGH to SELO Driven HIGH
t
CLKHDR
CLK HIGH to DAT/JAM Driven
t
CLKHDZ
CLK HIGH to DAT/JAM Not Driven
t
DJSET
DAT/JAM Setup Time to CLK
t
DJHOLD
DAT/JAM Hold Time from CLK
t
CASET
COL/ACK Setup Time to CLK
t
CAHLD
COL/ACK Hold Time from CLK
t
SCLKHLD
SI, SCLK Hold Time
49.995
20
20
–
–
150
4
15
0
50.005
30
30
10
10
–
–
–
–
ns
ns
ns
ns
ns
μ
μ
ns
ns
s
s
t
XRS
0
–
ns
t
XRH
400
–
ns
–
–
–
–
30
7.0
7.0
1.0
375
45
ns
ns
ns
ns
ns
ns
275
15
|V
IN
|>|V
ASQ
| (Note 2)
t
PWKDI
|V
IN
|>|V
ASQ
| (Note 3)
136
200
ns
|V
IN
|>|V
ASQ
| (Note 4)
|V
IN
|>|V
ASQ
| (Note 5)
10
75
–
–
26
160
7.0
7.0
ns
ns
ns
ns
t
CIRM
–
1.0
ns
C
L
= 50 pF
C
L
= 50 pF
C
L
= 100 pF
C
L
= 100 pF
15
15
14
14
10
9
10
9
50
30
30
30
30
–
–
–
–
–
ns
ns
ns
ns
ns
ns
ns
ns
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM79C985KCW | enhanced Integrated Multiport Repeater Plus (eIMR+⑩) |
| AM79C987 | Hardware Implemented Management Information Base (HIMIB) Device |
| AM79C987JC | Hardware Implemented Management Information Base (HIMIB) Device |
| AM79C987JCB | Hardware Implemented Management Information Base (HIMIB) Device |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C985JC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:enhanced Integrated Multiport Repeater Plus (eIMR+⑩) |
| AM79C985KCW | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:enhanced Integrated Multiport Repeater Plus (eIMR+⑩) |
| AM79C985WW WAF | 制造商:Advanced Micro Devices 功能描述: |
| AM79C987 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Hardware Implemented Management Information Base (HIMIB) Device |
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