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TMS27PC256 - Programmable ROM

Download the TMS27PC256 datasheet PDF. This datasheet also covers the TMS27C256 variant, as both devices belong to the same programmable rom family and are provided as variant models within a single manufacturer datasheet.

General Description

The TMS27C256 series are 32 768 by 8-bit (262 144-bit), ultraviolet (UV) light erasable, electrically programmable read-only memories (EPROMs).

The TMS27PC256 series are 32 768 by 8-bit (262 144-bit), one-time programmmable (OTP) electrically programmable read-only memories (PROMs).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (TMS27C256-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
TMS27PC210A Programmable ROM
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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.

View original datasheet text
D Organization . . . 32768 by 8 Bits D Single 5-V Power Supply D Pin Compatible With Existing 256K MOS ROMs, PROMs, and EPROMs D All Inputs / Outputs Fully TTL Compatible D Max Access / Min Cycle Time VCC ± 10% ’27C/ PC256-10 100 ns ’27C/ PC256-12 120 ns ’27C/ PC256-15 150 ns ’27C/ PC256-17 170 ns ’27C/ PC256-20 200 ns ’27C/ PC256-25 250 ns D Power Saving CMOS Technology D Very High-Speed SNAP! Pulse Programming D 3-State Output Buffers D 400-mV Minimum DC Noise Immunity With Standard TTL Loads D Latchup Immunity of 250 mA on All Input and Output Lines D Low Power Dissipation ( VCC = 5.5 V ) – Active . . . 165 mW Worst Case – Standby . . . 1.