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AM27C4096-150DCB 데이터시트(PDF) 1 Page - Advanced Micro Devices |
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AM27C4096-150DCB 데이터시트(HTML) 1 Page - Advanced Micro Devices |
1 / 12 page FINAL Publication# 11408 Rev: F Amendment/0 Issue Date: May 1998 Am27C4096 4 Megabit (256 K x 16-Bit) CMOS EPROM DISTINCTIVE CHARACTERISTICS s Fast access time — Speed options as fast as 90 ns s Low power consumption — 100 µA maximum CMOS standby current s JEDEC-approved pinout — Plug-in upgrade of 1 Mbit and 2 Mbit EPROMs — 40-pin DIP/PDIP — 44-pin PLCC s Single +5 V power supply s ±10% power supply tolerance standard s 100% Flashrite programming — Typical programming time of 32 seconds s Latch-up protected to 100 mA from –1 V to VCC + 1 V s High noise immunity GENERAL DESCRIPTION The Am27C4096 is a 4 Mbit, ultraviolet erasable pro- grammable read-only memory. It is organized as 256 Kwords, operates from a single +5 V supply, has a static standby mode, and features fast single address location programming. The Am27C4096 is ideal for use in 16-bit microprocessor systems. The device is avail- able in windowed ceramic DIP packages, and plastic one time programmable (OTP) PDIP and PLCC pack- ages. Data can be typically accessed in less than 90 ns, al- lowing high-performance microprocessors to operate without any WAIT states. The device offers separate Output Enable (OE#) and Chip Enable (CE#) controls, thus eliminating bus contention in a multiple bus micro- processor system. AMD’s CMOS process technology provides high speed, low power, and high noise immunity. Typical power consumption is only 125 mW in active mode, and 125 µW in standby mode. All signals are TTL levels, including programming sig- nals. Bit locations may be programmed singly, in blocks, or at random. The device supports AMD’s Flashrite programming algorithm (100 µs pulses), re- sulting in a typical programming time of 32 seconds. BLOCK DIAGRAM 11408F-1 A0–A17 Address Inputs CE#/PGM# OE# VCC VSS VPP Data Outputs DQ0–DQ15 Output Buffers Y Gating 4,194,304 Bit Cell Matrix X Decoder Y Decoder Output Enable Chip Enable and Prog Logic |
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