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82S123 - 256-bit TTL bipolar PROM

Description

The 82S23 and 82S123 are field programmable, which means that custom patterns are immediately available by following the Signetics Generic I fusing procedure.

The 82S23 and 82S123 devices are supplied with all outputs at logical Low.

Features

  • Address access time: 50ns max.
  • Power dissipation: 1.3mW/bit typ.
  • Input loading:.
  • 100µA max.
  • On-chip address decoding.
  • One Chip Enable input.
  • Output options:.
  • N82S23: Open Collector.
  • N82S123: 3-State.
  • No separate fusing pins.
  • Unprogrammed outputs are Low level.
  • Fully TTL compatible.

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Full PDF Text Transcription

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Philips Semiconductors 256-bit TTL bipolar PROM (32 x 8) Product specification 82S23/82S123 DESCRIPTION The 82S23 and 82S123 are field programmable, which means that custom patterns are immediately available by following the Signetics Generic I fusing procedure. The 82S23 and 82S123 devices are supplied with all outputs at logical Low. Outputs are programmed to a logic High level at any specified address by fusing the Ni-Cr link matrix. These devices include on-chip decoding and 1 Chip Enable input for memory expansion. They feature either Open Collector or 3-State outputs for optimization of word expansion in bused organizations. Ordering information can be found on the following page.
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