General Description
The LF13508 is an 8-channel analog multiplexer which con-
nects the output to 1 of the 8 analog inputs depending on
the state of a 3-bit binary address. An enable control allows
disconnecting the output, thereby providing a package se-
lect function.
This device is fabricated with National’s BI-FET technology
which provides ion-implanted JFETs for the analog switch
on the same chip as the bipolar decode and switch drive
circuitry. This technology makes possible low constant
‘‘ON’’ resistance with analog input voltage variations. This
device does not suffer from latch-up problems or static
charge blow-out problems associated with similar CMOS
parts. The digital inputs are designed to operate from both
TTL and CMOS levels while always providing a definite
break-before-make action