Datasheet

®
ADS574
10
FIGURE 5. Conversion Cycle Timing.
FIGURE 6. Read Cycle Timing.
FIGURE 7. 12-Bit Data Format for 8-Bit Systems.
FIGURE 8. Connection to an 8-Bit Bus.
R/C
DB11-DB0
Status
High Impedance
t
SAC
t *
t
DSC
t
HSC
A
0
t
HAC
t
SRC
t
SSC
t
HEC
CS
CE
* t
X
includes t
AQ
+ t
C
in ADC574
Emulation Mode, t
C
only in S/H Control Mode.
t
HRC
X
12/8
A
STATUS
DB11 (MSB)
DB0 (LSB)
Digital Common
O
ADS574
28
27
26
25
24
23
22
21
20
19
18
17
16
15
2
4
Data
Bus
Address
Bus
A
O
R/C
DB11-DB0
Status
High-Z
t
DD
t
HS
A
0
t
SSR
CS
CE
t
SRR
t
HL
t
HD
t
SAR
t
HSR
t
HRR
t
HAR
Data Valid
Word 1 Word 2
Processor DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Converter DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0000