ACS8520T Semtech, ACS8520T Datasheet - Page 47

• Manufacturer Part Number: ACS8520T
• Description: Synchronous Equipment Timing Source (SETS) for Stratum 3/4E/4 and SMC Systems
• Manufacturer: Semtech

Figure 16 Write Access Timing in INTEL Mode
Table 24 Write Access Timing in INTEL Mode (for use with Figure 16)
Revision 3.02/October 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
pw1
pw2
su1
su2
su3
t
d2
d3
d5
h1
h2
h3
h4
p
CSB
WRB
RDB
A
AD
RDY
Setup A valid to CSB
Setup CSB
Setup AD valid before WRB
Delay CSB
Delay WRB
Delay CSB
WRB Low time
RDY Low time
Hold A valid after WRB
Hold CSB Low after WRB
Hold WRB Low after RDY
Hold AD valid after WRB
Time between consecutive accesses (WRB
or WRB
rising edge
falling edge
rising edge
falling edge
Z
falling edge
t
su1
to RDB
to RDY high-Z
to RDY active
falling edge
to WRB
to RDY
address
t
d2
rising edge
t
falling edge)
su2
rising edge
rising edge
rising edge
rising edge
falling edge
falling edge
Parameter
t
d3
rising edge
t
t
pw2
pw1
FINAL
Page 47
t
data
su3
to WRB
t
h3
falling edge
t
h4
t
h1
t
h2
,
t
d5
160 ns
25 ns
10 ns
12 ns
4 ns
0 ns
6 ns
0 ns
0 ns
4 ns
MIN
-
-
-
Z
ACS8520 SETS
F8110D_010WriteAccIntel_01
185 ns
TYP
-
-
-
-
-
-
-
-
-
-
-
-
DATASHEET
www.semtech.com
173 ns
13 ns
14 ns
10 ns
MAX
-
-
-
-
-
-
-
-
-