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TMS27C128 - Programmable ROM

General Description

programmable read-only memories.

The TMS27PC128 series are 131 072-bit, one time electrically programmable read-only memories.

OCTOBER 1984 REVISED JANUARY 1993 J AND N PACKAGES (TOP VIEW)

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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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TMS27C128 131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY TMS27PC128 131 072-BIT PROGRAMMABLE READ-ONLY MEMORY This Data Sheet is Applicable to All TMS27C128s and TMS27PC128s Symbolized with Code “B” as Described on Page 12. • Organization . . . 16K × 8 • Single 5-V Power Supply • Pin Compatible With Existing 128K MOS ROMs, PROMs, and EPROMs • All Inputs/Outputs Fully TTL Compatible • Max Access/Min Cycle Times VCC ± 10% ’27C128-12 ’27C/PC128-15 ’27C/PC128-20 ’27C/PC128-25 120 ns 150 ns 200 ns 250 ns • Power Saving CMOS Technology • Very High-Speed SNAP! Pulse Programming • 3-State Output Buffers • 400-mV Minimum DC Noise Immunity With Standard TTL Loads • Latchup Immunity of 250 mA on All Input and Output Lines • Low Power Dissipation ( VCC = 5.25 V ) – Active . . .