Low-Voltage, CMOS Analog Multiplexers/Switches

with Enable Inputs and Address Latching

______________________________________________________________________________________

15

___________________________________________Truth Table/Switch Programming

EN1

ADDC*

0

0

X

LE

X

X

X

X

1

X

1

0

0

1

0

0

1

0

0

1

0

0

1

0

1

1

0

1

1

0

1

1

0

1

1

EN2

0

X

1

1

1

1

1

1

1

1

ON SWITCHES

MAX4530

Last address

All switches open

All switches open

COM–NO3

COM–NO2

COM–NO1

COM–NO0

COM–NO7

COM–NO6

COM–NO5

COM–NO4

ADDRESS BITS

ADDA

X

X

X

1

0

1

0

1

0

1

0

ADDB

X

X

X

1

1

0

0

1

1

0

0

MAX4531

Last address

All switches open

All switches open

COMA–NO3A,

COMB–NO3B

COMA–NO2A,

COMB–NO2B

COMA–NO1A,

COMB–NO1B

COMA–NO0A,

COMB–NO0B

COMA–NO3A,

COMB–NO3B

COMA–NO2A,

COMB–NO2B

COMA–NO1A,

COMB–NO1B

COMA–NO0A,

COMB–NO0B

MAX4532

Last address

All switches open

All switches open

COMA–NOA,

COMB–NOB,

COMC–NCC

COMA–NCA,

COMB–NOB,

COMC–NCC

COMA–NOA,

COMB–NCB,

COMC–NCC

COMA–NCA,

COMB–NCB,

COMC–NCC

COMA–NOA,

COMB–NOB,

COMC–NOC

COMA–NCA,

COMB–NOB,

COMC–NOC

COMA–NOA,

COMB–NCB,

COMC–NOC

COMA–NCA,

COMB–NCB,

COMC–NOC

X = Don’t Care

*

ADDC not present on MAX4531.

Note: NO_ and COM_ pins are identical and interchangeable. Either may be considered an input or an output; signals pass equally

well in either direction.

LE is independent of EN1 and EN2.