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27C512A Datasheet(PDF) 1 Page - Microchip Technology |
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27C512A Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 12 page  © 1996 Microchip Technology Inc. DS11173E-page 1 27C512A FEATURES • High speed performance • CMOS Technology for low power consumption - 25 mA Active current - 30 µA Standby current • Factory programming available • Auto-insertion-compatible plastic packages • Auto ID aids automated programming • High speed express programming algorithm • Organized 64K x 8: JEDEC standard pinouts - 28-pin Dual-in-line package - 32-pin PLCC Package - 28-pin SOIC package - 28-pin TSOP package - 28-pin VSOP package - Tape and reel • Data Retention > 200 years • Available for the following temperature ranges - Commercial: 0˚C to +70˚C - Industrial: -40˚C to +85˚C - Automotive: -40˚C to +125˚C DESCRIPTION The Microchip Technology Inc. 27C512A is a CMOS 512K bit electrically Programmable Read Only Memory (EPROM). The device is organized into 64K words by 8 bits (64K bytes). Accessing individual bytes from an address transition or from power-up (chip enable pin going low) is accomplished in less than 90 ns. This very high speed device allows the most sophisticated microprocessors to run at full speed without the need for WAIT states. CMOS design and processing enables this part to be used in systems where reduced power consumption and high reliability are requirements. A complete family of packages is offered to provide the most flexibility in applications. For surface mount appli- cations, PLCC, VSOP, TSOP or SOIC packaging is available. Tape or reel packaging is also available for PLCC or SOIC packages. PACKAGE TYPES 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 O0 O1 O2 VSS VCC A14 A13 A8 A9 A11 OE/VPP A10 CE O7 O6 O5 O4 O3 A6 A5 A4 A3 A2 A1 A0 NC O0 A8 A9 A11 NC OE/VPP A10 CE O7 O6 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 OE/VPP A11 A9 A8 A13 A14 VCC A15 A12 A7 A6 A5 A4 A3 A10 CE D7 D6 D5 D4 D3 VSS D2 D1 D0 A0 A1 A2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A10 CE 21 20 19 VSS O2 14 13 12 OE/VPP A11 A9 A8 22 23 24 A15 A12 A7 1 2 3 4 5 25 26 27 28 6 7 A13 A14 VCC A6 A5 A4 A3 O7 O6 O5 O4 O3 O1 O0 A0 A1 A2 18 17 16 15 11 10 9 8 TSOP 27C512A PLCC DIP/SOIC VSOP 27C512A 512K (64K x 8) CMOS EPROM This document was created with FrameMaker404 |
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