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TMS27PC020-20JL Datasheet(PDF) 1 Page - Texas Instruments |
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TMS27PC020-20JL Datasheet(HTML) 1 Page - Texas Instruments |
1 / 15 page TMS27C020 262144 BY 8-BIT UV ERASABLE TMS27PC020 262144 BY 8-BIT PROGRAMMABLE READ-ONLY MEMORIES SMLS020C – NOVEMBER 1990 – REVISED SEPTEMBER 1997 1 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 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 program- mable (OTP) electrically programmable read-only memories (PROMs). Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 32 1 32 31 14 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 430 15 16 17 18 19 20 J PACKAGE ( TOP VIEW ) PIN NOMENCLATURE A0 – A17 Address Inputs DQ0 – DQ7 Inputs (programming) / Outputs E Chip Enable G Output Enable GND Ground PGM Program VCC 5-V Power Supply VPP 13-V Power Supply † †Only in program mode 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 GND VCC PGM A17 A14 A13 A8 A9 A11 G A10 E DQ7 DQ6 DQ5 DQ4 DQ3 A14 A13 A8 A9 A11 G A10 E DQ7 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 TMS27PC020 FM PACKAGE ( TOP VIEW ) Copyright © 1997, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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