CS61535A Cirrus Logic, Inc., CS61535A Datasheet - Page 8

• Manufacturer Part Number: CS61535A
• Description: T1-E1 Line Interface Unit for PCM applications
• Manufacturer: Cirrus Logic, Inc.

SWITCHING CHARACTERISTICS
Inputs: Logic 0 = 0V, Logic 1 = RV+)
Notes: 38. For CLKE = 0, CS must remain low at least 50 ns after the 16
8
SDI to SCLK Setup Time
SCLK to SDI Hold Time
SCLK Low Time
SCLK High Time
SCLK Rise and Fall Time
CS to SCLK Setup Time
SCLK to CS Hold Time
CS Inactive Time
SCLK to SDO Valid
CS to SDO High Z
Input Valid To PCS Falling Setup Time
PCS Rising to Input Invalid Hold Time
PCS Active Low Time
CS
SCLK
SDI
39. Output load capacitance = 50pF.
t dc
LSB
t cc
CONTROL
Parameter
t ch
t cdh
t cl
BYTE
Figure 4. Serial Port Write Timing Diagram
(TA = -40 to 85 C; TV+, RV+ = 5%;
LSB
(Note 38)
(Note 39)
DATA
Symbol
t
t
t
t
t
t
t
t
t
cwh
t
pcsl
t
cdh
r
t
su4
cch
cdv
cdz
t
dc
ch
, t
h4
cc
cl
f
BYTE
th
Min
240
240
250
250
50
50
50
50
50
50
falling edge of SCLK.
-
-
-
t cdh
MSB
Typ
100
-
-
-
-
-
-
-
-
-
-
-
-
t cch
Max
200
t cwh
50
-
-
-
-
-
-
-
-
-
-
-
CS61535A
DS40F2
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns