MAX4571–MAX4574
Serially Controlled, Clickless
Audio/Video Switches
8 _______________________________________________________________________________________
Pin Descriptions
FUNCTION
MAX4571 MAX4572
1, 3, 5, 7, 9,
11, 13, 22, 20,
18, 16
– Normally Open Terminals
PIN
– 1, 4, 7, 10 Normally Open Terminals
23 23 Ground
27 27 Data Input of 2-Wire Serial Interface
26 26 Clock Input of 2-Wire Serial Interface
25 25 LSB + 2 of 2-Wire Serial Interface Address Field
24 24 LSB + 1 of 2-Wire Serial Interface Address Field
28 28 Positive Supply Voltage
MAX4571 MAX4572
NO1–NO11 –
NAME
– NO1A–NO4A
GND GND
SDA SDA
SCL SCL
A1 A1
A0 A0
V+ V+
2, 4, 6, 8, 10,
12, 14, 21, 19,
17, 15
2, 5, 8, 11, 14,
21, 18, 15
Common TerminalsCOM1–COM11 COM1–COM8
– 3, 6, 9, 12 Normally Open Terminals– NO1B–NO4B
– 13, 16 Normally Open Terminals– NO5, NO8
– 22, 19, 20, 17 Normally Open Terminals–
NO6A, NO7A,
NO6B, NO7B
2, 4, 6, 8, 10,
12, 14, 21, 19,
17, 15
FUNCTION
MAX4573 MAX4574
2, 5, 8, 11, 14,
21, 18, 15
1, 3, 5, 7, 9,
11, 13, 22, 20,
18, 16
– Normally Open Terminals
PIN
– 1, 4, 7, 10 Normally Open Terminals
23 23 Ground
27 27 Data Output of 3-Wire Serial Interface
26 26 Clock Input of 3-Wire Serial Interface
25 25 Clock Input of 3-Wire Serial Interface
24 24 Chip Select of 3-Wire Serial Interface
Common TerminalsCOM1–COM11 COM1–COM8
– 3, 6, 9, 12 Normally Open Terminals– NO1B–NO4B
– 13, 16 Normally Open Terminals–
28 28 Positive Supply Voltage
NO5, NO8
MAX4573 MAX4574
NO1–NO11 –
NAME
– NO1A–NO4A
GND GND
DOUT DOUT
DIN DIN
SCLK SCLK
CS CS
– 22, 19, 20, 17 Normally Open Terminals–
NO6A, NO7A,
NO6B, NO7B
V+ V+
