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TMS27C020 - Programmable ROM

General Description

The TMS27C020 series are 262 144 by 8-bit (2 097 152-bit), ultraviolet (UV) light erasable, electrically programmable read-only memories (EPROMs).

The TMS27PC020 series are 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 . . . 262144 by 8 Bits D Single 5-V Power Supply D Operationally Compatible With Existing Megabit EPROMs D Industry Standard 32-Pin Dual-In-line Package and 32-Lead Plastic Leaded Chip Carrier D All Inputs / Outputs Fully TTL Compatible D ±10% VCC Tolerance D Max Access / Min Cycle Time VCC ± 10% ’27C/ PC020-10 100 ns ’27C/ PC020-12 120 ns ’27C/ PC020-15 150 ns ’27C/ PC020-20 200 ns ’27C/ PC020-25 250 ns D 8-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 Pins D No Pullup Resistors Required D Low Power Dissipation (VCC = 5.5 V) – Active . . .