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WM8191 датащи(PDF) 9 Page - Wolfson Microelectronics plc

номер детали WM8191
подробное описание детали  14-bit 6MSPS CIS/CCD Analogue Front End/Digitiser
PDF  27 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8191 датащи(HTML) 9 Page - Wolfson Microelectronics plc

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Advanced Information
WM8191
WOLFSON MICROELECTRONICS LTD
AI Rev 3.1 April 2001
9
PARALLEL INTERFACE
STB
OP[13:6]
DNA
RNW
ADC DATA OUT
ADC DATA OUT
REG. DATA OUT
ADC DATA OUT
Hi-Z
Hi-Z
t
ASU
t
STB
t
AH
t
DSU
t
DH
t
STDO
t
STAO
t
ADLS
t
ADLH
t
ADHS
t
ADHH
t
OPD
ADDRESS IN
DATA IN
t
OPZ
Figure 5 Parallel Interface Timing
Test Conditions
AVDD1 = AVDD2 = DVDD1 = 4.75 to 5.25V, DVDD2 = DVDD3 = 2.97 to 3.63V, AGND = DGND = 0V, TA = 0 to 70
°C,
MCLK = 12MHz unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
RNW low to OP[13:6] Hi-Z
tOPZ
20
ns
Address set-up time to STB low
tASU
0ns
DNA low set-up time to STB low
tADLS
10
ns
Strobe low time
tSTB
50
ns
Address hold time from STB high
tAH
10
ns
DNA low hold time from STB high
tADLH
10
ns
Data set-up time to STB low
tDSU
0ns
DNA high set-up time to STB low
tADHS
10
ns
Data hold time from STB high
tDH
10
ns
Data high hold time from STB high
tADHH
10
ns
RNW high to OP[13:6] output
tOPD
35
ns
Data output propogation delay from
STB low
tSTDO
35
ADC data out propogation delay
from STB high
tSTAO
35
Note:
Parameters are measured at 50% of the rising/falling edge.



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