Z84C40AB6 | Z80A CMOS
SIO-0 SERIAL INPUT/OUTPUT CONTROLLER
4MHz , extended temperature range -40°C to +85°C in DIP40 package

Z84C40AB6  Z84C40AB6
Z84C40AB6 Z84C40AB6 Z84C40AB6 Z84C40AB6

The Z80C SIO Serial Input/Output Controller is a dual-channel data communication interface with extraordinary versatility and capability. Its basic functions as a serial-to-parallel, parallel-to-serialconverter/controller can be programmed by a CPU for a broad range of serial communication applications.
The device supports all common asynchronous and synchronous protocols, byte- or bit-oriented and performs all of the functions traditionally done by UARTs, USARTs and synchronous communication controllers combined, plus additional functions traditionally performed by the CPU, Moreover, it does this on two fully-independent channels, with an exceptionally sophisticated interrupt structure that allows very fast transfers.
Full interfacing is provided for CPU or DMA control. In addition to data communication, the circuit can handle virtually all types of serial I/O with fast (or slow) peripheral devices.
While designed primarily as a member of Z80 family, its versatility makes it well suited to many other CPUs.


NEW OLD STOCK (NOS)
NOT PULLED - NOT USED - NOT REFURBISHED - NOT SOLDERED - NOT RE-MARKED - NOT FAKED EXCLUSIVELY
The devices are from old stock (OEM industrial , mainly from Germany), but they are NEW and UNUSED (NOS devices)
Taken out from the original packaging ( see photo).
What you see on the photo, is what you get .

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