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UPB8228

Part Number	UPB8228
Manufacturer	NEC
Description	8080A SYSTEM CONTROLLER AND BUS DRIVER
Published	Feb 25, 2017
Detailed Description	NEe Microcomputers, Inc. fttIEC Jl,PB8228 J.I PB8238 8080A SYSTEM CONTROLLER AND BUS DRIVER OESCR IPTION The pPB8228...
Datasheet	UPB8228 PDF File

Overview

NEe Microcomputers, Inc.
fttIEC Jl,PB8228 J.
I PB8238 8080A SYSTEM CONTROLLER AND BUS DRIVER OESCR IPTION The pPB8228/8238 is a single chip cOntroller and bus driver for 8080A based systems.
All the required interface signals rrecessary to connect RAM, ROM and I/O components to a pPD8080A are generated.
The pPB8228/8238 provides a bi·directional three·state bus driver for high TTL fan-out and isolation of the processor data bus from the system data bus for increased noise immunity.
The system controller portion of the pPB8228/8238 consists of a status latch for definition of processor machine cycles and a gating array to decode this information for direct interface to system components.
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