CS4351-DZZR Cirrus Logic Inc, CS4351-DZZR Datasheet - Page 12

• Manufacturer Part Number: CS4351-DZZR
• Description: IC,D/A CONVERTER,DUAL,24-BIT,TSSOP,20PIN
• Manufacturer: Cirrus Logic Inc

12
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI
(Inputs: Logic 0 = GND, Logic 1 = VL, C
Notes:
CCLK Clock Frequency
RST Rising Edge to CS Falling
CCLK Edge to CS Falling
CS High Time Between Transmissions
CS Falling to CCLK Edge
CCLK Low Time
CCLK High Time
CDIN to CCLK Rising Setup Time
CCLK Rising to DATA Hold Time
Rise Time of CCLK and CDIN
Fall Time of CCLK and CDIN
8. t
9. Data must be held for sufficient time to bridge the transition time of CCLK.
10. For F
spi
only needed before first falling edge of CS after RST rising edge. t
SCK
CCLK
CDIN
RST
CS
< 1 MHz.
Parameter
t srs
t spi
Figure 3. Control Port Timing - SPI Format (Write)
t r2
t css
L
= 20 pF)
t scl
(Note 10)
(Note 10)
t f2
t dsu t
(Note 8)
(Note 9)
t sch
dh
Symbol
f
t
t
t
t
t
t
t
sclk
t
csh
css
sch
dsu
t
t
srs
spi
scl
dh
r2
f2
Min
500
500
1.0
20
66
66
40
17
-
-
-
spi
= 0 at all other times.
™
t csh
FORMAT
Max
100
100
6
-
-
-
-
-
-
-
-
CS4351
DS566F1
Unit
MHz
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns