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LY62W5128LL-55SLI Datasheet(PDF) 2 Page - Lyontek Inc.

Part # LY62W5128LL-55SLI
Description  512K 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.

LY62W5128LL-55SLI Datasheet(HTML) 2 Page - Lyontek Inc.

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LY62W5128
Rev. 1.11
512K 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 : 55/70ns
Low power consumption:
Operating current : 30/20mA (TYP.)
Standby current : 4
μA (TYP.) LL-version
3
μA (TYP.) SL-version
Single 2.7V ~ 5.5V power supply
All outputs TTL compatible
Fully static operation
Tri-state output
Data retention voltage : 1.5V (MIN.)
Green package available
Package : 32-pin 450 mil SOP
32-pin 8mm x 20mm TSOP-I
32-pin 8mm x 13.4mm STSOP
36-ball 6mm x 8mm TFBGA
GENERAL DESCRIPTION
The LY62W5128 is a 4,194,304-bit low power
CMOS static random access memory organized as
524,288 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 LY62W5128 is well designed for very low power
system applications, and particularly well suited for
battery back-up nonvolatile memory application.
The LY62W5128 operates from a single power
supply of 2.7V ~ 5.5V and all inputs and outputs are
fully TTL compatible
32-pin 400 mil TSOP-II
32-pin 600 mil P-DIP
PRODUCT FAMILY
Product
Family
Operating
Temperature
Vcc Range
Speed
Power Dissipation
Standby(ISB1TYP.)
Operating(Icc,TYP.)
LY62W5128
0 ~ 70℃
2.7 ~ 5.5V
55/70ns
4µA(LL)/3µA(SL)
30/20mA
LY62W5128(I)
-40 ~ 85℃
2.7 ~ 5.5V
55/70ns
4µA(LL)/3µA(SL)
30/20mA
FUNCTIONAL BLOCK DIAGRAM
DECODER
I/O DATA
CIRCUIT
CONTROL
CIRCUIT
512Kx8
MEMORY ARRAY
COLUMN I/O
A0-A18
Vcc
Vss
DQ0-DQ7
CE#
WE#
OE#
PIN DESCRIPTION
SYMBOL
DESCRIPTION
A0 - A18
Address Inputs
DQ0 – DQ7
Data Inputs/Outputs
CE#
Chip Enable Inputs
WE#
Write Enable Input
OE#
Output Enable Input
VCC
Power Supply
VSS
Ground
NC
No Connection


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