Rainbow Electronics MAX1494 - Manual (Page 20)

MAX1492/MAX1494
3.5- and 4.5-Digit, Single-Chip ADCs
with LCD Drivers
20 ______________________________________________________________________________________
SCLK
CS
DIN
DOUT
1 1 A4 A3 A2 A1 A0 x
D7 D6 D5 D4 D3 D2 D1 D0
CONTROL BYTE DATA BYTE
Figure 17. Serial-Interface 8-Bit Read Timing Diagram
6k Ω
6k Ω
DOUT
DOUT
GND
GND
DV DD
C
LOAD
50pF
C
LOAD
50pF
A) V
OH
TO HIGH-Z B) V
OL
TO HIGH-Z
Figure 18. Load Circuits for Disable Time
6k Ω
6k Ω
DOUT
DOUT
GND
GND
DV DD
C
LOAD
50pF
C
LOAD
50pF
B) HIGH-Z TO V
OH
AND V
OL
TO V
OH
B) HIGH-Z TO V
OL
AND V
OH
TO V
OL
Figure 19. Load Circuits for Enable Time
SCLK
CS
DIN
DOUT
1 1 RS4 RS3 RS2 RS1 RS0 x
D7 D6 D5 D4 D3 D2 D1 D0 D8 D9 D15 D14 D13 D12 D11 D10
CONTROL BYTE DATA BYTE
Figure 16. Serial-Interface 16-Bit Read Timing Diagram