WM8170 Datasheet, PDF (11/41 Pages) Wolfson Microelectronics plc – 3.3V Integrated Signal Processor for Area Array CCDs

WM8170
Product Preview Rev 1.0
PARALLEL INTERFACE
t_STB
STB
t_ASU
t_AH
t_DSU
t_DH
t_STDO
t_STAO
Z
D[9:2] ADC DATA OUT
ADDRESS IN
DATA IN
Z
ADC DATA OUT
DATA OUT
ADC DATA OUT
DNA
t_ADLS
t_ADLH t_ADHS
t_ADHH
RNW
t_OPZ
t_OPD
Figure 6 Parallel Interface Timing Diagram
Test Characteristics
CVDD = AVDD = DVDD = 3.3V, AGND = DGND = CGND = 0V, RISET=15kΩ , TA = 0^oC to +70^oC, unless otherwise stated.
PARAMETER
SYMBOL
TEST
MIN
CONDITIONS
RNW low to OP[9:2] Tri-
tOPZ
state
Address setup time to STB
tASU
0
low
DNA low setup time to STB
tADLS
10
low
STB low time
tSTB
50
Address hold time from
tAH
10
STB high
DNA low hold time from
tADLH
10
STB high
Data setup time to STB low
tDSU
0
DNA high setup time to
tADHS
10
STB low
Data hold time from STB
tDH
10
high
DNA high hold time from
tADHH
10
STB high
RNW high to OP[9:2] output
tOPD
0
Data output propagation
delay from STB low
tSTDO
ADC data out propagation
delay from STB high
tSTAO
TYP
MAX
20
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
WOLFSON MICROELECTRONICS LTD
PP Rev 1.0 March 2000
11