Rainbow Electronics MAX1494 User Manual
Page 20
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MAX1492/MAX1494
3.5- and 4.5-Digit, Single-Chip ADCs
with LCD Drivers
20
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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
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