WM8148 Wolfson Microelectronics Ltd., WM8148 Datasheet - Page 12

• Manufacturer Part Number: WM8148
• Description: WM8148 : 12-BIT/12 MSPS Ccd/cis Analogue Front End/digitiser
• Manufacturer: Wolfson Microelectronics Ltd.

WM8148
PARALLEL INTERFACE
Figure 8 Parallel Interface Timing
TEST CONDITIONS
AVDD = 4.75 to 5.25V, DVDD1 and DVDD2 = 2.97 to 5.25V, AGND = DGND = 0V, T
otherwise stated (AVDD denotes the voltage applied to all AVDD pins).
Note: Parameters are measured at 50% of the rising/falling edge.
WOLFSON MICROELECTRONICS LTD
PARAMETER
RNW Low to OP[11:4] Hi-Z.
Address set-up time to STB Low
DNA Low set-up time to STB Low
Strobe Low time
Address hold time from STB High
DNA Low hold time from STB High
Data set-up time to STB Low
DNA High set-up time to STB Low
Data hold time from STB High
Data High hold time from STB High
RNW High to OP[11:4] output
Data output propagation delay from
STB Low
ADC data out propagation delay
from STB High
D[11:4]
RNW
DNA
STB
ADC DATA OUT
t
O P Z
t
A S U
Z
ADDRESS IN
t
A D L S
t
S T B
t
A D L H
t
SYMBOL
A H
t
t
t
t
t
t
t
t
t
t
t
ADLH
ADHS
ADHH
STDO
STAO
ADLS
t
OPZ
ASU
t
DSU
OPD
STB
DH
AH
t
t
A D H S
D S U
DATA IN
t
A D H H
TEST CONDITIONS
t
D H
Z
t
O P D
A D C D A T A O U T
t
S T D O
MIN
10
10
50
10
10
10
10
10
10
A
= 0 to 70 C, MCLK = 48MHz unless
D A T A O U T
TYP
t
S T A O
MAX
PD Rev 4.0 April 1999
20
35
35
35
Production Data
ADC DATA OUT
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
12