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TMS27C240 - Programmable ROM

General Description

The TMS27C240 series are 262 144 by 16-bit (4 194 304-bit), ultraviolet-light erasable, electrically programmable read-only memories (EPROMs).

The TMS27PC240 series are 262 144 by 16-bit (4 194 304-bit), one-time programmable (OTP) electrically programmable read-only memories (PROMs).

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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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TMS27C240 262144 BY 16ĆBIT UV ERASABLE TMS27PC240 262144 BY 16ĆBIT PROGRAMMABLE READĆONLY MEMORIES SMLS240D− NOVEMBER 1990 − REVISED SEPTEMBER 1997 D Organization . . . 262 144 by 16 Bits D Single 5-V Power Supply D All Inputs / Outputs Fully TTL Compatible D Static Operations (No Clocks, No Refresh) D Max Access / Min Cycle Time VCC ± 10% ’27C/ PC240-10 ’27C/ PC240-12 ’27C/ PC240-15 100 ns 120 ns 150 ns D 16-Bit Output For Use in Microprocessor-Based Systems D Very High Speed SNAP! Pulse Programming D Power-Saving CMOS Technology 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 No Pullup Resistors Required D Low Power Dissipation ( VCC = 5.5 V ) − Active . . .