AM79C983A Advanced Micro Devices, AM79C983A Datasheet - Page 51

• Manufacturer Part Number: AM79C983A
• Description: Integrated Multiport Repeater 2 (IMR2)
• Manufacturer: Advanced Micro Devices

SWITCHING CHARACTERISTICS over operating ranges unless otherwise specified
Parameter
Clock and Reset Timing
(R)AUI Port Timing
PAUI Port Timing
Expansion Bus Timing
t
t
t
t
t
t
t
Symbol
t
t
t
t
PDOETD
t
t
t
RSTSET
RSTHLD
t
t
PWOPD
PWKPDI
PWOPCI
PWKPCI
t
t
t
tDOTF
t
t
MCLKH
MCLKR
t
DOETD
PDOTD
t
t
MCLKL
MCLKF
ECLKH
t
t
t
t
PWOD
PWOC
ECLKL
t
t
PWKDI
PWKCI
t
DORM
MHRH
t
t
MCLK
ECRR
ECRF
ECTR
DOTD
DOTR
MHRL
ECTF
t
RSTP
CIRM
CITR
CITF
RST
I
I
I
MCLK Clock Period
MCLK Clock HIGH
MCLK Clock LOW
MCLK Rise Time
MCLK Fall Time
ECLK HIGH
ECLK LOW
ECLK Rise Time (When Receiving DAT)
ECLK Fall Time (When Receiving DAT)
ECLK Rise Time (When Transmitting DAT)
ECLK Fall Time (When Transmitting DAT)
Reset Pulse Width
Reset Pulse Width on Power-Up
Reset Input Setup Time with respect to MCLK
Reset Input Hold Time with respect to MCLK
MCLK HIGH to DO Toggle
DO Rise Time
DO Fall Time
DO+, DO- Rise and Fall Time Mismatch
DI Pulse Width Accept/Reject
DI Pulse Width Not to Turn Off Internal Carrier
Sense
CI Pulse Width Accept/Reject Threshold
CI Pulse Width Not to Turn Off Threshold
RCI Rise Time (in Reverse Mode)
RCI Fall Time (In Reverse Mode)
RCI+, RCI- Rise and Fall Time Mismatch
(RAUI in Reverse Mode)
MCLK HIGH to DO Toggle
PDO End of Transmission
PDI Pulse Width Accept/Reject (Note 7)
DI Pulse Width Not to Turn Off Internal Carrier
Sense (Note 8)
CI Pulse Width Accept/Reject Threshold
(Note 9)
CI Pulse Width Not to Turn Off Threshold
(Note 10)
MCLK HIGH to REQ Driven LOW
MCLK HIGH TO REQ Driven HIGH
DO End Of Transmission
Parameter Description
P R E L I M I N A R Y
Am79C983A
Test Conditions
|V
|V
|V
|V
|V
|V
|V
|V
C
C
(Note 2)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 3)
(Note 4)
(Note 5)
(Note 6)
(Note 1)
(Note 1)
(Note 1)
IN
IN
IN
IN
IN
IN
IN
IN
(Note 2)
L
L
=100pF
=100pF
|>|V
|>|V
|>|V
|>|V
|>|V
|>|V
|>|V
|>|V
ASQ
ASQ
ASQ
ASQ
ASQ
ASQ
ASQ
ASQ
|
|
|
|
|
|
|
|
0.4 t
0.4 t
49.995
Min
150
275
136
275
136
20
20
20
15
80
15
80
10
10
4
0
8
8
ECLK
ECLK
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.6 t
0.6 t
50.005
Max
375
220
160
375
220
160
7.0
7.0
1.0
7.0
7.0
1.0
30
30
10
10
10
10
10
10
30
45
26
30
45
26
40
40
ECLK
ECLK
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
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