The SN74BCT2423A, SN74BCT2424A is a 16-bit latched multiplexer/demultiplexer bus transceiver with the following features: Multiplexed real-time and latched data, Byte control for byte-write applications, Useful in NuBus interface applications, Useful in Memory Interleave Applications, BiCMOS design substantially reduces standby current, Dependable Texas Instruments Quality and Reliability.
The SN74BCT2423A and SN74BCT2424A are general‑purpose 16‑bit bidirectional transceivers with data‑storage latches and byte‑control circuitry. They are suited for multiplexing or demultiplexing address and data lines in microprocessor‑bus and memory‑interleave applications, offering both inverted and non‑inverted data paths.
Each device provides three 16‑bit I/O ports (A15‑A0, B15‑B0, AB15‑AB0) and a set of active‑low control inputs (ALE, BLE, ABENL, ABENM, etc.) that manage bus transceiver functions, latch transparency, and byte‑enable selection. The handbook includes pin descriptions, logic symbols, functional tables, and a typical memory‑interleave application circuit.
| Operating Temperature Range | 0 °C to 70 °C |
|---|---|
| Technology | BiCMOS process reduces standby current |
They are specified for operation from 0 °C up to 70 °C.
When ALE is low the latch is transparent; when ALE goes high the data present at the inputs is latched.