ACS8520 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'ACS8520' PDF : 150 Pages View PDF
ACS8520 SETS
ADVANCED COMMUNICATIONS
FINAL
Table 27 Read Access Timing in SERIAL Mode (For use with Figure 19) (cont...)
Symbol
Parameter
MIN
tpw1
SCLK Low time
22 ns
tpw2
SCLK High time
22 ns
th1
Hold SDI valid after SCLKrising edge
6 ns
th2
Hold CSB Low after SCLKrising edge, for CLKE = 0
5 ns
Hold CSB Low after SCLKfalling edge, for CLKE = 1
tp
Time between consecutive accesses (CSBrising edge to CSBfalling edge)
10 ns
DATASHEET
TYP
MAX
-
-
-
-
-
-
-
-
-
-
Figure 20 Write Access Timing in SERIAL Mode
CSB
tsu2
tpw2
th2
ALE=SCLK
tsu1
A(0)=SDI
th1 tpw1
_
R/W A0 A1 A2 A3 A4 A5 A6 D0 D1 D2 D3 D4 D5 D6 D7
AD(0)=SDO
Output not driven, pulled low by internal resistor
F8110D_014WriteAccSerial_02
Table 28 Write Access Timing in SERIAL Mode (For use with Figure 20)
Symbol
Parameter
MIN
TYP
tsu1
Setup SDI valid to SCLKrising edge
4 ns
-
tsu2
Setup CSBfalling edge to SCLKrising edge
14 ns
-
tpw1
SCLK Low time
22 ns
-
tpw2
SCLK High time
22 ns
-
th1
Hold SDI valid after SCLKrising edge
6 ns
-
th2
Hold CSB Low after SCLKrising edge
5 ns
-
tp
Time between consecutive accesses (CSBrising edge to CSBfalling edge)
10 ns
-
MAX
-
-
-
-
-
-
-
Revision 3.02/October 2005 © Semtech Corp.
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