Quad 2-Input Multiplexer
(Previous ADE-205-371 (Z))
The HD74AC157 is a high-speed quad 2-input multiplexer. Four bits of data from two sources can be selected using
the common Select and Enable inputs. The four outputs present the selected data in the true (noninverted) form. The
HD74AC157 can also be used as a function generator.
• Outputs Source/Sink 24 mA
• Ordering Information
Package Type Package Code Package Abbreviation Taping Abbreviation (Quantity)
HD74AC157AFPEL SOP-16 pin (JEITA) FP-16DAV
EL (2,000 pcs/reel)
HD74AC157ARPEL SOP-16 pin (JEDEC) FP-16DNV
EL (2,500 pcs/reel)
HD74AC157TELL TSSOP-16 pin
Notes: 1. Please consult the sales office for the above package availability.
2. The packages with lead-free pins are distinguished from the conventional products by adding V at the end of
the package code.
Rev.2.00, Jul.16.2004, page 1 of 7