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UPD555 Datasheet

Part Number UPD555
Manufacturers NEC
Logo NEC
Description EVACHIP - 42
Datasheet UPD555 DatasheetUPD555 Datasheet (PDF)

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  UPD555   UPD555






Part Number UPD557L
Manufacturers NEC
Logo NEC
Description 4-BIT SINGLE CHIP MICROCOMPUTER
Datasheet UPD555 DatasheetUPD557L Datasheet (PDF)

NEe Microcomputers, Inc. 4-81T SINGLE CHIP MICROCOMPUTER NEe JLPD557L DESCR IPTION The pP0557L is a pCOM-43 4-bit single chip microcomputer with high voltage outputs,and low power consumption. The outputs can be pulled to- 35V' for direct interfacing to vacuum fluorescent displays. The pPD557L is manufactured with a lowpower-consumption PMOS process, allowing use of a -8V, low current power supply. The pPD557L provides all of the hardware features of the pCOM-43 family, except that it has 21 .

  UPD555   UPD555







Part Number UPD556B
Manufacturers NEC
Logo NEC
Description 4 Bit Single-Chip ROM-LESS Evaluation Chip
Datasheet UPD555 DatasheetUPD556B Datasheet (PDF)

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  UPD555   UPD555







Part Number UPD556
Manufacturers NEC
Logo NEC
Description EVACHIP-43
Datasheet UPD555 DatasheetUPD556 Datasheet (PDF)

NEe Microcomputers, Inc. NEe fLPD556 EVACHIPĀ·43 DESCR IPTION The IlPD556 is an evaluation chip for the IlCOM-43/44/45 single chip microcomputers_ Designed to be used for both hardware and software debugging, the EVACH IP-43 is functionally equivalent to the IlCOM-43, except that it does not contain on-chip ROM. Instead, it is able to address external memory. In addition, in order to facilitate debugging, the IlPD556 is capable of displaying the contents of the internal accumulator and data p.

  UPD555   UPD555







Part Number UPD5555
Manufacturers NEC Electronics
Logo NEC Electronics
Description CMOS Timer
Datasheet UPD555 DatasheetUPD5555 Datasheet (PDF)

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  UPD555   UPD555







EVACHIP - 42

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