si3216-x-gm Silicon Laboratories, si3216-x-gm Datasheet - Page 19

• Manufacturer Part Number: si3216-x-gm
• Description: Proslic Programmable Wideband Slic/codec With Ringing/battery Voltage Generation
• Manufacturer: Silicon Laboratories

Table 12. Switching Characteristics—PCM Highway Serial Interface
V
Parameter
PCLK Frequency
PCLK Duty Cycle Tolerance
PCLK Period Jitter Tolerance
Rise Time, PCLK
Fall Time, PCLK
Delay Time, PCLK Rise to DTX Active
Delay Time, PCLK Rise to DTX
Transition
Delay Time, PCLK Rise to DTX Tri-state
Setup Time, FSYNC to PCLK Fall
Hold Time, FSYNC to PCLK Fall
Setup Time, DRX to PCLK Fall
Hold Time, DRX to PCLK Fall
Notes:
D
= 3.13 to 5.25 V, T
1. All timing is referenced to the 50% level of the waveform. Input test levels are V
2. Spec applies to PCLK fall to DTX tri-state when that mode is selected (TRI = 0).
SCLK
SDO
SDI
CS
A
= 0 to 70 °C for K-Grade, –40 to 85 °C for B-Grade, C
t
su1
t
d1
t
r
Figure 9. SPI Timing Diagram
2
Symbol
Preliminary Rev. 0.91
t
1/t
t
t
t
jitter
t
t
t
t
t
su1
su2
dty
t
d1
d2
d3
h1
h2
t
r
f
c
t
su2
t
t
c
thru
Conditions
t
d2
t
Test
h2
L
= 20 pF
Min
–120
—
—
—
—
—
—
—
—
40
—
—
—
—
—
25
20
25
20
1
IH –
V
t
I/O –
r
Typ
0.256
0.512
0.768
1.024
1.536
2.048
4.096
8.192
t
h1
50
—
—
—
—
—
—
—
—
—
—
0.4 V, V
1
IL
t
cs
= 0.4 V.
Max
t
120
d3
—
—
—
—
—
—
—
—
60
25
25
20
20
20
—
—
—
—
Si3216
1
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
19