IS27LV020-12PLI 데이터 시트보기 (PDF) - Integrated Silicon Solution
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IS27LV020-12PLI Datasheet PDF : 11 Pages
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IS27LV020
IS27LV020
262,144 x 8 LOW VOLTAGE CMOS EPROM
ISISSSII®®
ADVANCE INFORMATION
DECEMBER 1997
FEATURES
• Single 2.7V to 3.6V power supply
• Fast access time: 90 ns
• JEDEC-approved pinout
• Low power consumption
— 20 µA (max) CMOS standby current
— 10 mA (max) active current at 5 MHz
• High-speed programming
— Typically less than 16 seconds
• Industrial and commercial temperature ranges
available
• Standard 32-pin DIP, PLCC and TSOP
packages
DESCRIPTION
The ISSI IS27LV020 is a low voltage, low power, high-speed
1 megabit (256K-word by 8-bit) CMOS Programmable Read-
Only Memory. It utilizes the standard JEDEC pinout making it
funtionally compatible with the IS27C020 EPROM. The
IS27LV020 operates from a 2.7V to 3.6V power supply.
The superior access time combined with low power consump-
tion is the result of innovative design and process technology.
Maximum power consumption in standby mode is 72 µW. If the
device is constantly accessed at 5 MHz, then the maximum
power consumption is increased to 36 mW. These power
ratings are significantly lower than the standard IS27C020
EPROM.
The IS27LV020 uses ISSI's write programming algorithm
which allows the entire chip to be programmed in typically less
than 30 seconds.
This product is available in One-Time Programmble (OTP)
PDIP, PLCC, and TSOP packages over commercial and
industrial temperature ranges.
FUNCTIONAL BLOCK DIAGRAM
VCC
GND
OE
CE
PGM
OUTPUT ENABLE
CHIP ENABLE
AND
PROG LOGIC
DQ0-DQ7
8
OUTPUT
BUFFERS
A0-A17 18
Y
DECODER
X
DECODER
Y
GATING
2,097,152-BIT
CELL MATRIX
ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors which
may appear in this publication. © Copyright 1997, Integrated Silicon Solution, Inc.
Integrated Silicon Solution, Inc.
1
EP019-0A
12/19/97
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