SKU: ZX-092
ZX-092 CMOS RAM/EPROM Board
Up to 32KB PROM.
Ability to Shadow Out PROM.
The ZX-092 contains 8KB or 16KB CMOS RAM, with the addition of eight 24- pin sockets for up to 32KB PROM using 2732A PROMS. Memory address decoding is accomplished by two Bipolar PROMs. Through the use of shadowing, PROM can be addressed at the same memory location as CMOS RAM, which allows the use of PROMs for program start-up without committing valuable RAM space.
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