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TMS27C040 - Programmable ROM

General Description

The TMS27C040 devices are 524 288 by 8-bit (4 194 304-bit), ultraviolet (UV) light erasable, electrically programmable read-only memories (EPROMs).

The TMS27PC040 devices are 524 288 by 8-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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D Organization . . . 524 288 by 8 Bits D Single 5-V Power Supply D Industry Standard 32-Pin Dual In-Line Package and 32-Lead Plastic Leaded Chip Carrier D All Inputs / Outputs Fully TTL Compatible D Static Operation (No Clocks, No Refresh) D Max Access / Min Cycle Time VCC ± 10% ’27C/ PC040-10 ’27C/ PC040-12 ’27C/ PC040-15 100 ns 120 ns 150 ns D 8-Bit Output For Use in Microprocessor-Based Systems D Power-Saving CMOS Technology D 3-State Output Buffers D 400-mV Assured DC Noise Immunity With Standard TTL Loads D Latchup Immunity of 250 mA on All Input and Output Pins D No Pullup Resistors Required D Low Power Dissipation (VCC = 5.5 V) − Active . . . 275 mW Worst Case − Standby . . . 0.