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AT27LV040A-90TU

製品説明
仕様・特性

Features • Fast Read Access Time – 90 ns • Dual Voltage Range Operation • • • • • • • • • – Low Voltage Power Supply Range, 3.0V to 3.6V or Standard 5V ± 10% Supply Range Compatible With JEDEC Standard AT27C040 Low Power 3.3-volt CMOS Operation – 20 µA Max (Less than 1 µA Typical) Standby for VCC = 3.6V – 36 mW Max Active at 5 MHz for VCC = 3.6V JEDEC Standard Packages – 32-lead PLCC – 32-lead TSOP – 32-lead VSOP High Reliability CMOS Technology – 2,000V ESD Protection – 200 mA Latchup Immunity Rapid Programming Algorithm – 100 µs/Byte (Typical) CMOS and TTL Compatible Inputs and Outputs – JEDEC Standard for LVTTL Integrated Product Identification Code Industrial Temperature Range Green (Pb/Halide-free) Packaging Option 4-Megabit (512K x 8) Low Voltage OTP EPROM AT27LV040A 1. Description The AT27LV040A is a high-performance, low-power, low-voltage, 4,194,304-bit onetime programmable read-only memory (OTP EPROM) organized as 512K by 8 bits. It requires only one supply in the range of 3.0 to 3.6V in normal read mode operation, making it ideal for fast, portable systems using battery power. Atmel’s innovative design techniques provide fast speeds that rival 5V parts while keeping the low power consumption of a 3V supply. At VCC = 3.0V, any byte can be accessed in less than 90 ns. With a typical power dissipation of only 18 mW at 5 MHz and VCC = 3.3V, the AT27LV040A consumes less than one half the power of a standard 5V EPROM. Standby mode supply current is typically less than 1 µA at 3.3V. The AT27LV040A is available in industry-standard JEDEC-approved one-time programmable (OTP) plastic PLCC, TSOP, and VSOP packages. All devices feature twoline control (CE, OE) to give designers the flexibility to prevent bus contention. The AT27LV040A operating with VCC at 3.0V produces TTL level outputs that are compatible with standard TTL logic devices operating at VCC = 5.0V. The device is also capable of standard 5-volt operation making it ideally suited for dual supply range systems or card products that are pluggable in both 3-volt and 5-volt hosts. Atmel’s AT27LV040A has additional features to ensure high quality and efficient production use. The Rapid Programming Algorithm reduces the time required to program the part and guarantees reliable programming. Programming time is typically only 100 µs/byte. The Integrated Product Identification Code electronically identifies the device and manufacturer. This feature is used by industry-standard programming equipment to select the proper programming algorithms and voltages. The AT27LV040A programs exactly the same way as a standard 5V AT27C040 and uses the same programming equipment. 0557D–EPROM–12/07

ブランド

ATMEL

会社名

Atmel Corporation

本社国名

U.S.A

事業概要

半導体製造販売(マイクロコントローラ、フラッシュメモリ)

供給状況

 
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