MAX335 Maxim, MAX335 Datasheet - Page 8

• Manufacturer Part Number: MAX335
• Description: The MAX335 analog switch with serial digital interface offers eight separately controlled single-pole-single-throw (SPST) switches
• Manufacturer: Maxim

Serial Controlled, 8-Channel SPST Switch
Table 1. Serial-Interface Switch Programming
Figure 3. Connections for Microwire
8
D7
_______________________________________________________________________________________
X = Don't care
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
THE DOUT-SI CONNECTION IS NOT REQUIRED FOR WRITING TO THE
MAX335, BUT MAY BE USED FOR DATA-ECHO PURPOSES.
MAX335
D6
X
X
0
1
X
X
X
X
X
X
X
X
X
X
X
X
DOUT
SCLK
DIN
CS
D5
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
SK
SO
SI
I/0
D4
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
DATA BITS
MICROWIRE
PORT
D3
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
D2
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
Figure 4. Connections for SPI
D1
X
X
X
X
X
X
X
X
X
X
X
X
0
1
X
X
THE DOUT-MISO CONNECTION IS NOT REQUIRED FOR WRITING TO THE
MAX335, BUT MAY BE USED FOR DATA-ECHO PURPOSES.
MAX335
D0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
DOUT
SCLK
DIN
CS
Switch 7 open (off)
Switch 7 closed (on)
Switch 6 open
Switch 6 closed
Switch 5 open
Switch 5 closed
Switch 4 open
Switch 4 closed
Switch 3 open
Switch 3 closed
Switch 2 open
Switch 2 closed
Switch 1 open
Switch 1 closed
Switch 0 open
Switch 0 closed
FUNCTION
CPOL = 0, CPHA = 0
MISO
MOSI
SCK
I/0
PORT
SPI