參數(shù)資料
型號: SI3232PPTX-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 35/128頁
文件大小: 0K
描述: BOARD EVAL W/DISCRETE INTERFACE
標準包裝: 1
系列: ProSLIC®
主要目的: 接口,模擬前端(AFE)
已用 IC / 零件: Si3232
已供物品: 板,CD
Si3232
14
Preliminary Rev. 0.96
Not
Recommended
fo
r N
ew
D
esi
gn
s
Figure 2. PCLK, FSYNC Timing Diagram
Table 11. Switching Characteristics—PCLK and FSYNC Timing
(VDD, VDD1–VDD4 = 3.13 to 3.47 V, TA = 0 to 70 °C for K-Grade, –40 to 85 °C for B-Grade, CL = 20 pF)
Parameter
Symbol
Test
Conditions
Min 1
Typ 1
Max 1
Units
PCLK Period
tp
122
3706
ns
Valid PCLK Inputs
256
512
768
1.024
1.536
1.544
2.048
4.096
8.192
kHz
MHz
FSYNC Period2
tfs
—125
s
PCLK Duty Cycle Tolerance
tdty
40
50
60
%
PCLK Period Jitter Tolerance
tjitter
±120
ns
Rise Time, PCLK
tr
25
ns
Fall Time, PCLK
tf
25
ns
Setup Time, FSYNC to PCLK Fall
tsu1
25
ns
Hold Time, FSYNC to PCLK Fall
th1
20
ns
FSYNC Pulse Width
twfs
tp/2
125
s–t
p
ns
Notes:
1. All timing is referenced to the 50% level of the waveform. Input test levels are VIH – VI/O –0.4 V, VIL = 0.4 V.
2. FSYNC source is assumed to be 8 kHz under all operating conditions.
PCLK
FSYNC
t
r
t
p
t
su1
t
f
t
fs
t
h1
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