CS8421-DZZR Cirrus Logic Inc, CS8421-DZZR Datasheet - Page 8

• Manufacturer Part Number: CS8421-DZZR
• Description: IC,Digital Audio Sample Rate Converter,CMOS,TSSOP,20PIN
• Manufacturer: Cirrus Logic Inc

SWITCHING SPECIFICATIONS
(Inputs: Logic 0 = 0 V, Logic 1 = VL; C
8
RST pin Low Pulse Width
XTI Frequency (Note 7)
XTI Pulse Width High/Low
MCLK_OUT Duty Cycle
Slave Mode
I/OSCLK Frequency
OLRCK High Time
I/OSCLK High Time
I/OSCLK Low Time
I/OLRCK Edge to I/OSCLK Rising
OLRCK Rising Edge to OSCLK Rising Edge (TDM)
I/OSCLK Rising Edge to I/OLRCK Edge
OSCLK Rising Edge to OLRCK Falling Edge (TDM)
OSCLK Falling Edge/OLRCK Edge to SDOUT Output Valid
SDIN/TDM_IN Setup Time Before I/OSCLK Rising Edge
SDIN/TDM_IN Hold Time After I/OSCLK Rising Edge
I/OLRCK
I/OSCLK
SDOUT
(input)
SDIN
(output)
(input)
(input)
Figure 1. Non-TDM Slave Mode Timing
t
lckd
t
dpd
t
lcks
t
ds
Parameters
t
dh
t
sckh
MSB
MSB
L
= 20 pF)
t
sckl
MSB-1
MSB-1
Digital Clock Source
TDM_IN
OLRCK
OSCLK
SDOUT
(output)
(input)
(input)
(input)
(Note 6)
(Note 8)
Crystal
t
fss
Figure 2. TDM Slave Mode Timing
Symbol
t
lrckh
t
t
t
t
t
t
lrckh
sckh
t
t
sckl
lckd
t
t
lcks
dpd
fss
fsh
ds
dh
t
fsh
t
dpd
16.384
1.024
14.8
Min
326
45
1
9
9
6
5
5
5
3
5
t
-
-
ds
t
dh
t
sckh
MSB
MSB
27.000
27.000
24.576
Max
55
18
-
-
-
-
-
-
-
-
-
-
-
CS8421
t
DS641PP1
sckl
Units
MSB-1
MSB-1
MHz
MHz
MHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%