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LY62W51316LL-55SLIT Datasheet(PDF) 2 Page - Lyontek Inc.

Part # LY62W51316LL-55SLIT
Description  512K X 16 BIT LOW POWER CMOS SRAM
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Manufacturer  LYONTEK [Lyontek Inc.]
Direct Link  http://www.lyontek.com.tw
Logo LYONTEK - Lyontek Inc.

LY62W51316LL-55SLIT Datasheet(HTML) 2 Page - Lyontek Inc.

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LY62W51316
Rev. 1.0
512K X 16 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 : 6
μA (TYP.) LL-version
3
μA (TYP.) SL-version
Single 2.7V ~ 5.5V power supply
All inputs and outputs TTL compatible
Fully static operation
Tri-state output
Data byte control : LB# (DQ0 ~ DQ7)
UB# (DQ8 ~ DQ15)
Data retention voltage : 1.5V (MIN.)
Green package available
Package : 48-pin 12mm x 20mm TSOP-I
48-ball 6mm x 8mm TFBGA
GENERAL DESCRIPTION
The LY62W51316 is a 8,388,608-bit low power
CMOS static random access memory organized as
524,288 words by 16 bits. It is fabricated using very
high performance, high reliability CMOS technology.
Its standby current is stable within the range of
operating temperature.
The LY62W51316 is well designed for low power
application, and particularly well suited for battery
back-up nonvolatile memory application.
The LY62W51316 operates from a single power
supply of 2.7V ~ 5.5V and all inputs and outputs are
fully TTL compatible
PRODUCT FAMILY
Product
Family
Operating
Temperature
Vcc Range
Speed
Power Dissipation
Standby(ISB1,TYP.)
Operating(Icc,TYP.)
LY62W51316
0 ~ 70℃
2.7 ~ 5.5V
55/70ns
6µA(LL)/3µA(SL)
30/20mA
LY62W51316(I)
-40 ~ 85℃
2.7 ~ 5.5V
55/70ns
6µA(LL)/3µA(SL)
30/20mA
FUNCTIONAL BLOCK DIAGRAM
CONTROL
CIRCUIT
DECODER
512Kx16
MEMORY ARRAY
COLUMN I/O
A0-A18
Vcc
Vss
DQ8-DQ15
Upper Byte
DQ0-DQ7
Lower Byte
I/O DATA
CIRCUIT
CE2
WE#
OE#
LB#
UB#
CE#
PIN DESCRIPTION
SYMBOL
DESCRIPTION
A0 - A18
Address Inputs
DQ0 – DQ15 Data Inputs/Outputs
CE#, CE2
Chip Enable Input
WE#
Write Enable Input
OE#
Output Enable Input
LB#
Lower Byte Control
UB#
Upper Byte Control
VCC
Power Supply
VSS
Ground


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