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27L2000-20 Datasheet(PDF) 1 Page - Macronix International |
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27L2000-20 Datasheet(HTML) 1 Page - Macronix International |
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1 / 18 page  FEATURES • 256Kx 8 organization • Wide power supply range, 2.7V DC to 3.6V DC • +12.5V programming voltage • Fast access time: 70R/120/150/200/250 ns • Totally static operation • Completely TTL compatible • Operating current:20mA @ 3.6V, 5MHz 1 GENERAL DESCRIPTION The MX27L2000 is a 3V only, 2M-bit, One Time Programmable Read Only Memory. It is organized as 256K words by 8 bits per word, operates from a single + 3 volt 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 BLOCK DIAGRAM PIN CONFIGURATIONS 32 PDIP/SOP 32 PLCC PIN DESCRIPTION • Standby current: 20uA • Package type: - 32 pin plastic DIP - 32 pin SOP - 32 pin PLCC - 8x20mm 32-lead TSOP(I) - 8x13.4mm 32-lead TSOP(I) REV. 3.2, AUG. 26, 2003 P/N: PM0372 32 TSOP(I) (8x20mm,8x13.4mm) SYMBOL PIN NAME A0~A17 Address Input Q0~Q7 Data Input/Output CE Chip Enable Input OE Output Enable Input PGM Programmable Enable Input VPP Program Supply Voltage NC No Internal Connection VCC Power Supply Pin (+5V) GND Ground Pin programmers may be used. The MX27L2000 supports a intelligent fast programming algorithm which can result in programming time of less than one minute. This EPROM is packaged in industry standard 32 pin dual-in-line packages, 32 lead SOP and 32 lead PLCC and 32 lead TSOP(I) packages. MX27L2000 2M-BIT [256Kx8] CMOS EPROM A11 A9 A8 A13 A14 A17 PGM VCC VPP A16 A15 A12 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 OE A10 CE Q7 Q6 Q5 Q4 Q3 GND Q2 Q1 Q0 A0 A1 A2 A3 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 MX27L2000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 GND 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC PGM A17 A14 A13 A8 A9 A11 OE A10 CE Q7 Q6 Q5 Q4 Q3 CONTROL LOGIC OUTPUT BUFFERS Q0~Q7 CE PGM OE A0~A17 ADDRESS INPUTS Y-DECODER X-DECODER Y-SELECT 2M BIT CELL MAXTRIX VCC VSS . . . . . . . . . . . . . . . . 1 4 5 9 13 14 17 20 21 25 29 32 30 A14 A13 A8 A9 A11 OE A10 CE Q7 A7 A6 A5 A4 A3 A2 A1 A0 Q0 MX27L2000 |
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