ACS8520T Semtech, ACS8520T Datasheet - Page 45

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

Figure 14 Write Access Timing in MOTOROLA Mode
Table 22 Write Access Timing in MOTOROLA Mode (for use with Figure 14)
Revision 3.02/October 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Symbol
t
t
t
t
t
t
t
t
t
t
t
pw1
pw2
su1
su2
su3
t
d2
d4
h1
h2
h3
h4
CSB
WRB
A
AD
RDY
(DTACK)
p
Setup A valid to CSB
Setup WRB valid to CSB
Setup AD valid before CSB
Delay CSB
Delay CSB
CSB Low time
RDY High time
Hold A valid after CSB
Hold WRB Low after CSB
Hold CSB Low after RDY
Hold AD valid after CSB
Time between consecutive accesses (CSB
X
X
X
Z
falling edge
rising edge
address
t
su1
t
to RDY High-Z
to RDY
su2
falling edge
rising edge
rising edge
falling edge
falling edge
rising edge
rising edge
rising edge
t
Parameter
d2
t
pw2
rising edge
t
pw1
FINAL
Page 45
to CSB
t
su3
data
falling edge
t
h3
)
t
h1
t
d4
160 ns
25 ns
12 ns
t
t
4 ns
0 ns
8 ns
8 ns
0 ns
0 ns
9 ns
MIN
h4
h2
-
-
X
X
X
Z
ACS8520 SETS
F8110D_008WriteAccMotor_01
TYP
-
-
-
-
-
-
-
-
-
-
-
-
DATASHEET
www.semtech.com
180 ns
166 ns
13 ns
MAX
7 ns
-
-
-
-
-
-
-
-