ACS411CS Semtech Corporation, ACS411CS Datasheet - Page 15

• Manufacturer Part Number: ACS411CS
• Description: Acapella Optical Modem ic
• Manufacturer: Semtech Corporation

Note: preliminary timing information. Timing values marked with * TBA.
ALE
CSB
RDB
AD
RDY
WRB
Z
address
Figure 5: Write access timing in MULTIPLEXED Mode.
Symbol
tpw1
tpw2
tpw3
tsu1
tsu2
tsu3
td2
td3
tp2
td1
th1
th2
th3
th4
tp1
Setup AD address valid to ALE
Setup CSB to WRB
Setup AD data valid to WRB
Delay CSB to RDY active
Delay WRB to RDY
Delay CSB
WRB low time
RDY low time
ALE high time
Hold AD address valid after ALE
Hold CSB low after WRB
Hold WRB low after RDY
AD data hold valid after WRB
Time between ALE and WRB
Time between consecutive accesses
(WRB
X
to ALE )
Parameter
to RDY High-Z
15
data
Min
10 *
10 *
5 *
5 *
5 *
0 *
60
20
60
0
0
0
X
Typ
Max
10 *
10 *
10 *
60
ACS411CS PRE-RELEASE Issue 6.0 July 1999.
Z