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EN27LV020B Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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EN27LV020B Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
1 / 13 page 4800 Great America Parkway Ste 202 Tel: 408-235-8680 Santa Clara, CA. 95054 Fax: 408-235-8685 Preliminary 1 EN27LV020 / EN27LV020B FEATURES • Read Access Time: -90ns, -120ns, -150ns, -200ns • Single +3.3V Power Supply -Regulated power supply 3.0V - 3.6V (EN27LV020 ) -Unregulated power supply 2.7V - 3.6V (EN27LV020B for battery operated systems) • Programming Voltage +12.75V • QuikRiteTM Programming Algorithm • Typical programming time 20µs • Low Power CMOS Operation • 1µA Standby (Typical) • 15mA Operation (Max.) • CMOS- and TTL-Compatible I/O • High-Reliability CMOS Technology • Latch-Up Immunity to 100mA from -1V to VCC + 1V • Two-Line Control ( OE & CE ) • Standard Product Identification Code • JEDEC Standard Pinout • 32-pin PDIP • 32-pin PLCC • 32-pin TSOP (Type 1) • Commercial and Industrial Temperature Ranges GENERAL DESCRIPTION The EN27LV020 / EN27LV020B is a low-voltage, low-power 2-Megabit, 3.3V one-time- programmable (OTP) read-only memory (EPROM). Organized into 256K words with 8 bits per word, it features QuikRite TM single-address location programming, typically at 20 µs per byte. Any byte can be accessed in less than 90ns. The EN27LV020 / EN27LV020B has separate Output Enable ( OE ) and Chip Enable ( CE ) controls which eliminate bus contention issues. The EN27LV020 has a Vcc tolerance range of 3.0V to 3.6 V, making it suitable for use in systems that have regulated power supplies. The EN27LV020B has a Vcc tolerance range of 2.7 V to 3.6V, making it an ideal device for battery operated systems. FIGURE 1. PDIP Pin Name Function A0-A17 Addresses DQ0-DQ7 Outputs CE Chip Enable OE Output Enable PGM Program Strobe A17 EN27LV020 / EN27LV020B 2Megabit Low Voltage EPROM (256K x 8) |
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