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參數(shù)資料
| 型號： | Am27C020-150DI5B |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | 2 Megabit (256 K x 8-Bit) CMOS EPROM |
| 中文描述： | 2兆位（256畝× 8位）的CMOS存儲器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 172K |
| 代理商： | AM27C020-150DI5B |
FINAL
Publication#
11507
Issue Date:
May 1998
Rev:
H
Amendment/
0
Am27C020
2 Megabit (256 K x 8-Bit) CMOS EPROM
DISTINCTIVE CHARACTERISTICS
I
Fast access time
— Speed options as fast as 55 ns
I
Low power consumption
— 100 μA maximum CMOS standby current
I
JEDEC-approved pinout
— Plug in upgrade of 1 Mbit EPROM
— Easy upgrade from 28-pin JEDEC EPROMs
I
Single +5 V power supply
I
±
10% power supply tolerance standard
I
100% Flashrite programming
— Typical programming time of 32 seconds
I
Latch-up protected to 100 mA from –1 V to
V
CC
+ 1 V
I
High noise immunity
I
Compact 32-pin DIP, PDIP, and PLCC packages
GENERAL DESCRIPTION
The Am27C020 is a 2 Megabit, ultraviolet erasable pro-
grammable read-only memory. It is organized as 256
Kwords by 8 bits per word, operates from a single +5 V
supply, has a static standby mode, and features fast
single address location programming. Products are
available in windowed ceramic DIP packages, as well
as plastic one time programmable (OTP) PDIP and
PLCC packages.
Data can be typically accessed in less than 55 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 100 mW in active mode,
and 100 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
11507H-1
A0–A17
Address
Inputs
PGM#
CE#
OE#
V
CC
V
SS
V
PP
Data Outputs
DQ0–DQ7
Output
Buffers
Y
Gating
2,097,152
Bit Cell
Matrix
X
Decoder
Y
Decoder
Output Enable
Chip Enable
and
Prog Logic
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| Am27C020-200DI5B | 2 Megabit (256 K x 8-Bit) CMOS EPROM |
| Am27C020-255JC5 | 2 Megabit (256 K x 8-Bit) CMOS EPROM |
| Am27C020-150DC5B | 2 Megabit (256 K x 8-Bit) CMOS EPROM |
| AM27C020 | 2 Megabit (256 K x 8-Bit) CMOS EPROM |
| Am27C020-120JC5 | Octal Buffers And Line Drivers With 3-State Outputs 20-SSOP 0 to 70 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM27C020-150DIB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| AM27C020-150EC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| AM27C020-150EI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| AM27C020-150JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| AM27C020-150JC5 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:2 Megabit (256 K x 8-Bit) CMOS EPROM |
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