SI3232 SILABS [Silicon Laboratories], SI3232 Datasheet - Page 14

• Manufacturer Part Number: SI3232
• Description: DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING
• Manufacturer: SILABS [Silicon Laboratories]

Si3232
14
Table 11. Switching Characteristics—PCLK and FSYNC Timing
(V
Parameter
PCLK Period
Valid PCLK Inputs
FSYNC Period
PCLK Duty Cycle Tolerance
PCLK Period Jitter Tolerance
Rise Time, PCLK
Fall Time, PCLK
Setup Time, FSYNC to PCLK Fall
Hold Time, FSYNC to PCLK Fall
FSYNC Pulse Width
Notes:
DD
FSYNC
1. All timing is referenced to the 50% level of the waveform. Input test levels are V
2. FSYNC source is assumed to be 8 kHz under all operating conditions.
, V
PCLK
DD1
–V
DD4
2
t
=
s u 1
3.13 to 3.47 V, T
A
Figure 2. PCLK, FSYNC Timing Diagram
=
0 to 70 °C for K-Grade, –40 to 85 °C for B-Grade, C
Symbol
t
t
t
t
jitter
t
su1
wfs
t
t
dty
t
h1
t
fs
p
r
f
Preliminary Rev. 0.96
t
h 1
Conditions
t
Test
p
t
f s
Min
122
t
40
25
20
—
—
—
—
—
—
—
—
—
—
—
—
—
p
/2
t
1
r
IH –
V
Typ
1.024
1.536
1.544
2.048
4.096
8.192
L
256
512
768
125
I/O –
50
—
—
—
—
—
—
—
=
20 pF)
0.4 V, V
1
125 µs–t
IL
Max
3706
±120
=
60
25
25
—
—
—
—
—
—
—
—
—
—
—
—
0.4 V.
t
1
f
p
Units
MHz
MHz
MHz
MHz
MHz
MHz
kHz
kHz
kHz
µs
ns
ns
ns
ns
ns
ns
ns
%