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WM8253SCDS/V Folha de dados(PDF) 8 Page - Wolfson Microelectronics plc

Nome de Peças WM8253SCDS/V
Descrição Electrónicos  Single Channel 16-bit CIS/CCD AFE with 4-bit Wide Output
PDF  27 Pages
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Fabricante Electrônico  WOLFSON [Wolfson Microelectronics plc]
Página de início  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8253SCDS/V Folha de dados(HTML) 8 Page - Wolfson Microelectronics plc

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WM8253
Production Data
w
PD, Rev 4.1, August 2011
8
INPUT VIDEO SAMPLING
Figure 1 Input Video Timing
Note:
1.
See Page 15 (Programmable VSMP Detect Circuit) for video sampling description.
Test Conditions
AVDD = DVDD1 = DVDD2 = 3.3V, AGND = DGND = 0V, TA = 25C, MCLK = 36MHz unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
MCLK period
tPER
27.7
ns
MCLK high period
tMCLKH
13.85
ns
MCLK low period
tMCLKL
13.85
ns
VSMP period
tVPER
300
1000
ns
VSMP set-up time
tVSMPSU
6
ns
VSMP hold time
tVSMPH
3
ns
Video level set-up time
tVSU
10
ns
Video level hold time
tVH
3
ns
Reset level set-up time
tRSU
10
ns
Reset level hold time
tRH
3
ns
Notes:
1.
tVSU and tRSU denote the set-up time required after the input video signal has settled.
2.
Parameters are measured at 50% of the rising/falling edge.
OUTPUT DATA TIMING
MCLK
OP[3:0]
t
PD
t
PD
Figure 2 Output Data Timing
MCLK
VSMP
INPUT
VIDEO
t
PER
t
VSMPSU
t
VSMPH
t
VSU
t
VH
t
RSU
t
RH
t
MCLKL
t
MCLKH
t
VPER
t
RSU



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