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LY62256UL Datasheet(PDF) 2 Page - Lyontek Inc.

Part # LY62256UL
Description  32K X 8 BIT LOW POWER CMOS SRAM
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Manufacturer  LYONTEK [Lyontek Inc.]
Direct Link  http://www.lyontek.com.tw
Logo LYONTEK - Lyontek Inc.

LY62256UL Datasheet(HTML) 2 Page - Lyontek Inc.

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LY62256
Rev. 2.6
32K X 8 BIT LOW POWER CMOS SRAM
Lyontek Inc. reserves the rights to change the specifications and products without notice.
5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.
TEL: 886-3-6668838
FAX: 886-3-6668836
1
®
FEATURES
Fast access time : 35/55/70ns
Low power consumption:
Operating current : 20/15/10mA (TYP.)
Standby current : 1
μA (TYP.)
Single 2.7~5.5V power supply
All inputs and outputs TTL compatible
Fully static operation
Tri-state output
Data retention voltage : 1.5V (MIN.)
Green package available
Package : 28-pin 600 mil PDIP
28-pin 330 mil SOP
28-pin 8mm x 13.4mm STSOP
28-pin 300 mil Skinny P-DIP
GENERAL DESCRIPTION
The LY62256 is a 262,144-bit low power CMOS
static random access memory organized as 32,768
words by 8 bits. It is fabricated using very high
performance, high reliability CMOS technology. Its
standby current is stable within the range of
operating temperature.
The LY62256 is well designed for low power
application, and particularly well suited for battery
back-up nonvolatile memory application.
The LY62256 operates from a single power
supply of 2.7~5.5V and all inputs and outputs are
fully TTL compatible
PRODUCT FAMILY
Power Dissipation
Product
Family
Operating
Temperature
Vcc Range
Speed
Standby(ISB1,TYP.) Operating(Icc,TYP.)
LY62256
0 ~ 70℃
2.7 ~ 5.5V
35/55/70ns
1µA
20/15/10mA
LY62256(E)
-20 ~ 80℃
2.7 ~ 5.5V
35/55/70ns
1µA
20/15/10mA
LY62256(I)
-40 ~ 85℃
2.7 ~ 5.5V
35/55/70ns
1µA
20/15/10mA
FUNCTIONAL BLOCK DIAGRAM
DECODER
I/O DATA
CIRCUIT
CONTROL
CIRCUIT
32Kx8
MEMORY ARRAY
COLUMN I/O
A0-A14
Vcc
Vss
DQ0-DQ7
CE#
WE#
OE#
PIN DESCRIPTION
SYMBOL
DESCRIPTION
A0 - A14
Address Inputs
DQ0 – DQ7
Data Inputs/Outputs
CE#
Chip Enable Input
WE#
Write Enable Input
OE#
Output Enable Input
VCC
Power Supply
VSS
Ground


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