Datasheet

MAX191
Low-Power, 12-Bit Sampling ADC
with Internal Reference and Power-Down
14 ______________________________________________________________________________________
3
4
5
6
10
11
12
13
1
2
8
9
18
17
21
23
20
19
16
1
2
8
9
3
4
5
6
10
11
12
13
SCLK
CS
RD
DOUT
SCLK
OUT
HBEN
SSTRB
+5V
LOGIC INPUT
A
B
CLOCK
CLEAR
Q
A
Q
B
Q
C
Q
D
Q
E
Q
F
Q
G
Q
H
A
B
CLOCK
CLEAR
Q
A
Q
B
Q
C
Q
D
Q
E
Q
F
Q
G
Q
H
+5V
NOTE: USE SSTRB TO GATE PARALLEL DATA TRANSFER FROM SHIFT REGISTER, OR TO CLEAR SHIFT REGISTERS IF DESIRED.
MAX191
74HC164
74HC164
+5V
t
19
DO
D11
CS
SSTRB
SCLK
OUT
SCLK
DOUT
Figure 11. Simple Serial-to-Parallel Interface