CS495313-CQZR Cirrus Logic Inc, CS495313-CQZR Datasheet - Page 25

• Manufacturer Part Number: CS495313-CQZR
• Description: Audio DSPs IC 32-bit Decodr DSP w/Dual DSP Engine
• Manufacturer: Cirrus Logic Inc

Specifications of CS495313-CQZR

• Operating Temperature Range: 0 C to + 70 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-144
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.19 Switching Characteristics — SDRAM Interface
(SD_CLKOUT = SD_CLKIN)
DS705PP6
SD_CLKIN high time
SD_CLKIN low time
SD_CLKOUT rise/fall time
SD_CLKOUT Frequency
SD_CLKOUT duty cycle
SD_CLKOUT rising edge to signal valid
Signal hold from SD_CLKOUT rising edge
SD_CLKOUT rising edge to SD_DQMn valid
SD_DQMn hold from SD_CLKOUT rising edge
SD_DATA valid setup to SD_CLKIN rising edge
SD_DATA valid hold to SD_CLKIN rising edge
SD_CLKOUT rising edge to ADDRn valid
DAOn_DATAn
DAO_LRCLK
DAO_SCLK
Refer to
Figure 15
Figure 14. Digital Audio Output Timing, Slave Mode (Relationship LRCLK to SCLK)
Note: In these diagrams, Falling edge is the inactive edge of DAO_SCLK
Parameter
through
Figure
t
daosstlr
18.
Copyright 2009 Cirrus Logic
t
daosclk
Symbol
t
t
t
t
sdcmdv
sdcmdh
t
t
t
t
sdclkh
sdclkrf
t
sddqv
sddqh
sddsu
t
sdclkl
sddh
sdav
DAO_LRCLK
-
DAO_SCLK
1.38
1.38
Min
2.3
2.3
1.3
45
-
-
-
-
Typical
32-bit Audio Decoder DSP Family
150
1.1
3.8
3.8
t
daoslrts
CS4953xx Data Sheet
Max
t
3.8
daosclk
55
1
-
-
-
-
-
-
-
-
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
t
daosdv
25