TMS27C020

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 . . . 165 mW Worst Case – Standby . . . 0.55 mW Worst Case (CMOS-Input Levels) D Temperature Range Options 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). TMS27C020 262144 BY 8-BIT UV ERASABLE TMS27PC020 262144 BY 8-BIT PROGRAMMABLE READ-ONLY MEMORIES SMLS020C – NOVEMBER 1990 – REVISED SEPTEMBER 1997 J PACKAGE ( TOP VIEW ) VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 VCC 31 PGM 30 A17 29 A14 28 A13 27 A8 26 A9 25 A11 24 G 23 A10 22 E 21 DQ7 20 DQ6 ...