UPB426 Datasheet PDF - NEC 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY Specs

UPB426 - 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY

This page provides the datasheet information for the UPB426, a member of the UPB406 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY family.

Datasheet Summary

Description

The IlPB406 and IlPB426 are high-speed, electrically programmable, fully-decoded 4096-bit TTL read-only memories.

enable inputs and open-collector/three-state outputs allow easy expansion of memory capacity.

Features

1024 WORD X 4 BIT Organization (Fully Decoded).
TTL Interface.
Fast Read Access Time: 50 ns max. (IlPB406-2, IlPB426.
2).
Medium Power Consumption: 500 mW TYP.
Two Chip Select Inputs for Memory Expansion.
Open-Collector Output (IlPB406)/Three-State Outputs (Il PB426).
Ceramic and Plastic lS-Lead Dual In-Line Packages.
Fast Programming Time: 2.

Datasheet Details

Part number	UPB426
Manufacturer	NEC
File Size	208.65 KB
Description	4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY
Datasheet	UPB426 Datasheet
Additional preview pages of the UPB426 datasheet.

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Full PDF Text Transcription

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NEe Microcomputers, Inc. 4098-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY NEe JLPB406 JLPB426 JLPB406-1 JLPB426-1 JL PB406-2 JL PB426-2 DESCRIPTION The IlPB406 and IlPB426 are high-speed, electrically programmable, fully-decoded 4096-bit TTL read-only memories. On-chip address decoding, two chip·enable inputs and open-collector/three-state outputs allow easy expansion of memory capacity. The IlPB406 and IlPB426 are fabricated with logic level zero (low); logic level one (high) can be electrically programmed into the selected bit locations. The same address inputs are used for both programming and reading. FEATURES • 1024 WORD X 4 BIT Organization (Fully Decoded) • TTL Interface • Fast Read Access Time: 50 ns max. (IlPB406-2, IlPB426·2) • Medium Power Consumption: 500 mW TYP.

Published: Feb 24, 2017 |