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GS3471 数据表(PDF) 97 Page - Semtech Corporation

部件名 GS3471
功能描述  3G, HD, SD SDI Receiver, with Integrated Adaptive Cable Equalizer
PDF  179 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

GS3471 数据表(HTML) 97 Page - Semtech Corporation

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GS3471
Final Data Sheet Rev.4
PDS-060498
September 2017
97 of 179
Semtech
www.semtech.com
Table 4-28: GSPI Timing Parameters
Parameter
Symbol
Equivalent
SCLK
Cycles
Min
Typ
Max
Units
Time to GSPI ready
after power up/reset
t_GSPI_ready
—500
μs
CS low before SCLK rising edge
t0
2.7
22
ns
SCLK frequency
22
MHz
SCLK period
t1
45
ns
SCLK duty cycle
t2
40
50
60
%
Input data setup time
t3
1.8
ns
SCLK idle time - write
t4
145
ns
SCLK idle time - read
t5
4
161
ns
Inter-command delay time
tcmd
4
161
ns
SDOUT after SCLK falling edge
t6
——
9.1
ns
CS high after final SCLK falling
edge
t7
0.0
ns
Input data hold time
t8
1.1
ns
CS high time
t9
45
ns
SDIN to SDOUT combinational
delay
——
7.4
ns
Max. chips daisy chained at
max SCLK frequency
When host clocks in SDOUT
data on rising edge of SCLK
——
1
GS3471
chips
Max. frequency for 32
daisy-chained devices
——
1.5
MHz
Max. chips daisy-chained at
max. SCLK frequency
When host clocks in SDOUT
data on falling edge of SCLK
——
5
GS3471
chips
Max. frequency for 32
daisy-chained devices
——
3.5
MHz
Note:
1. tcmd_GSPI_conf inter-command delay must be used whenever modifying HOST_CONFIG register at address 0x00



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