参数资料
型号: SI3232PPTX-EVB
厂商: Silicon Laboratories Inc
文件页数: 34/128页
文件大小: 0K
描述: BOARD EVAL W/DISCRETE INTERFACE
标准包装: 1
系列: ProSLIC®
主要目的: 接口,模拟前端(AFE)
已用 IC / 零件: Si3232
已供物品: 板,CD
Si3232
Preliminary Rev. 0.96
13
Not
Recommended
fo
r N
ew
D
esi
gn
s
Figure 1. SPI Timing Diagram
Table 10. Switching Characteristics—SPI
(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
Typ
Max
Unit
Cycle Time SCLK
tc
0.062
s
Rise Time, SCLK
tr
25
ns
Fall Time, SCLK
tf
25
ns
Delay Time, SCLK Fall to SDO
Transition
td2
20
ns
Delay Time, CS Rise to SDO Tristate
td3
20
ns
Setup Time, CS to SCLK Rise
tsu1
15
ns
Hold Time, SCLK Rise to CS Rise
th1
20
ns
Setup Time, SDI to SCLK Rise
tsu2
25
ns
Hold Time, SCLK Rise to SDI Rise
th2
20
ns
SDI to SDITHRU Propagation Delay
6
ns
Note: All timing is referenced to the 50% level of the waveform. Input test levels are VIH – VDD –0.4 V, VIL = 0.4 V
SCLK
CS
SDI
t
h1
t
d3
SDO
t
d2
t
su1
t
r
t
r
t
c
t
su2
t
h2
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