Datasheet
& Blockdiagramm
Intel 4289 |
Introduction date:
Technology: Category:
Port:
History:
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1974
P-channel silicon gate MOS technology Standard Memory
Interface
4 Bit bidirectional I/O Port
The 4289 was a single package equivalent of 4008 and
the 4009 to make it easier to interface to other chips.
It was used with other MCS-4/40 devices such as the 4004
and 4040 CPU.
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