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HT23C256 - CMOS 32Kx 8-Bit Mask ROM

General Description

The HT23C256 is a read-only memory with high performance CMOS storage device whose 256K of memory is arranged into 32768 words by 8 bits.

For application flexibility, the chip enable and output enable control pins can be selected as active high or active low.

Key Features

  • Operating voltage 2.7V~5.5V Low power consumption.
  • Operation: 25mA max. (V CC=5V) 10mA max. (VCC=3V).
  • Standby: 30µA max. (VCC=5V) 10µA max. (VCC=3V) Access time:150ns max. (VCC=5V) 250ns max. (VCC=3V).
  • 32768×8 bits of mask ROM Mask options: chip enable CE/CE/OE1/OE1 and output enable OE/OE/NC TTL compatible inputs and outputs Tristate outputs Fully static operation Package type: 28-pin.

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Datasheet Details

Part number HT23C256
Manufacturer Holtek Semiconductor Inc
File Size 242.78 KB
Description CMOS 32Kx 8-Bit Mask ROM
Datasheet download datasheet HT23C256 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HT23C256 CMOS 32K×8-Bit Mask ROM Features • • • Operating voltage 2.7V~5.5V Low power consumption – Operation: 25mA max. (V CC=5V) 10mA max. (VCC=3V) – Standby: 30µA max. (VCC=5V) 10µA max. (VCC=3V) Access time:150ns max. (VCC=5V) 250ns max. (VCC=3V) • • • • • • 32768×8 bits of mask ROM Mask options: chip enable CE/CE/OE1/OE1 and output enable OE/OE/NC TTL compatible inputs and outputs Tristate outputs Fully static operation Package type: 28-pin DIP/SOP General Description The HT23C256 is a read-only memory with high performance CMOS storage device whose 256K of memory is arranged into 32768 words by 8 bits. For application flexibility, the chip enable and output enable control pins can be selected as active high or active low.