SI3211 ETC, SI3211 Datasheet - Page 15

• Manufacturer Part Number: SI3211
• Description: PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION
• Manufacturer: ETC

Table 11. 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).
FSYNC
PCLK
A
DRX
DTX
= 0 to 70°C for K-Grade, –40 to 85°C for B-Grade, C
t
s u 1
Figure 8. PCM Highway Interface Timing Diagram
t
d 1
2
t
h 1
Symbol
Preliminary Rev. 1.11
t
1/t
t
t
t
jitter
t
t
t
t
t
su1
su2
dty
d1
d2
d3
h1
h2
t
t
r
f
c
t
s u 2
t
Conditions
c
t
d 2
Test
t
h 2
Si3210/Si3211/Si3212
L
= 20 pF
t
r
Min
–120
—
—
—
—
—
—
—
—
40
—
—
—
—
—
25
20
25
20
1
IH –
V
I/O –
0.256
0.512
0.768
1.024
1.536
2.048
4.096
8.192
Typ
50
—
—
—
—
—
—
—
—
—
—
0.4V, V
t
f
1
IL
t
d 3
= 0.4V
Max
120
60
25
25
20
20
20
—
—
—
—
—
—
—
—
—
—
—
—
1
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
15