ACS8526LC Semtech Corporation, ACS8526LC Datasheet - Page 29

• Manufacturer Part Number: ACS8526LC
• Description: Line Card Protection Switch for PDH, Sonet or SDH Systems
• Manufacturer: Semtech Corporation

Figure 8 Read Access Timing for SERIAL Interface
Table 16 Read Access Timing for SERIAL Interface (For use with Figure 8)
Revision 4.01/June 2006 © Semtech Corp.
ADVANCED COMMUNICATIONS
Symbol
t
t
t
t
t
t
t
t
pw1
pw2
su1
su2
t
d1
d2
h1
h2
p
CSB
SCLK
SDI
SDO
CSB
SCLK
SDI
SDO
Setup SDI valid to SCLK
Setup CSB
Delay SCLK
Delay CSB
SCLK Low time
SCLK High time
Hold SDI valid after SCLK
Hold CSB Low after SCLK
Hold CSB Low after SCLK
Time between consecutive accesses (CSB
t
su1
CLKE = 0; SDO data is clocked out on the rising edge of SCLK
CLKE = 1; SDO data is clocked out on the falling edge of SCLK
rising edge
falling edge
t
rising edge
su2
Output not driven, pulled low by internal resistor
Output not driven, pulled low by internal resistor
R/W
R/W
_
_
A0 A1 A2 A3 A4 A5 A6
A0 A1 A2 A3 A4 A5 A6
to SDO High-Z
to SCLK
(SCLK
t
h1
rising edge
rising edge
rising edge
falling edge
falling edge
rising edge
t
Parameter
pw1
, for CLKE = 0
, for CLKE = 1
for CLKE = 1) to SDO valid
t
rising edge
pw2
FINAL
Page 29
to CSB
falling edge
D0 D1 D2 D3 D4 D5 D6 D7
t
d1
D0 D1 D2 D3 D4 D5 D6 D7
t
d1
)
14 ns
22 ns
22 ns
10 ns
4 ns
6 ns
5 ns
MIN
ACS8526 LC/P LITE
-
-
F8526D_013ReadAccSerial_01
TYP
-
-
-
-
-
-
-
-
-
t
h2
t
h2
t
d2
DATASHEET
www.semtech.com
t
d2
18 ns
16 ns
MAX
-
-
-
-
-
-
-