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27C512-90 Datasheet(PDF) 1 Page - Macronix International |
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27C512-90 Datasheet(HTML) 1 Page - Macronix International |
1 / 15 page • Operating current: 30mA • Standby current: 100uA • Package type: - 28 pin plastic DIP - 32 pin PLCC - 28 pin 8 x 13.4 mm TSOP(I) 1 PIN CONFIGURATIONS PDIP GENERAL DESCRIPTION The MX27C512 is a 5V only, 512K-bit, One-Time Programmable Read Only Memory. It is organized as 64K words by 8 bits per word, operates from a single +5volt supply, has a static standby mode, and features fast single address location programming. All program- ming signals are TTL levels, requiring a single pulse. For programming outside from the system, existing EPROM programmers may be used. The MX27C512 supports intelligent fast programming algorithm which can result in programming time of less than fifteen seconds. This EPROM is packaged in industry standard 28 pin dual-in-line packages 32 lead PLCC, and 28 lead TSOP(I) packages. FEATURES • 64K x 8 organization • Single +5V power supply • +12.5V programming voltage • Fast access time: 45/55/70/90/100/120/150ns • Totally static operation • Completely TTL compatible P/N: PM0235 REV. 4.8, AUG. 26, 2003 BLOCK DIAGRAM PIN DESCRIPTION PLCC 8 x 13.4mm 28TSOP(I) SYMBOL PIN NAME A0~A15 Address Input Q0~Q7 Data Input/Output CE Chip Enable Input OE/VPP Output Enable Input/Program Supply Voltage NC No Internal Connection VCC Power Supply Pin (+5V) GND Ground Pin MX27C512 512K-BIT [64Kx8] CMOS EPROM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 GND 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC A14 A13 A8 A9 A11 OE/VPP A10 CE Q7 Q6 Q5 Q4 Q3 1 4 5 9 13 14 17 20 21 25 29 32 30 A8 A9 A11 NC OE/VPP A10 CE Q7 Q6 A6 A5 A4 A3 A2 A1 A0 NC Q0 MX27C512 OE/VPP A11 A9 A8 A13 A14 VCC A15 A12 A7 A6 A5 A4 A3 22 23 24 25 26 27 28 1 2 3 4 5 6 7 A10 CE Q7 Q6 Q5 Q4 Q3 GND Q2 Q1 Q0 A0 A1 A2 21 20 19 18 17 16 15 14 13 12 11 10 9 8 MX27C512 CONTROL LOGIC OUTPUT BUFFERS Q0~Q7 CE OE/VPP A0~A15 ADDRESS INPUTS Y-DECODER X-DECODER Y-SELECT 512K BIT CELL MAXTRIX VCC GND . . . . . . . . . . . . . . . . |
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