LY62W5128 Rev. 1.11 512K X 8 BIT LOW POWER CMOS SRAM REVISION HISTORY Revision Description Issue Date Rev. 1.0 Initial Issue Dec.1.2006 Rev. 1.1 Revised VIH to TTL compatible Jan.9.2008 Rev. 1.2 Revised V to 0.7*Vcc May.6.2008 IH Rev. 1.3 Revised V Mar.3.2009 DR Rev. 1.4 Revised VTERM to VT1 and VT2 Aug.5.2009 Revised Test Condition of ISB1/IDR FEATURES ORDERING INFORMATION Revised & Lead free and green package available to Green package available Added packing type in ORDERING INFORMATION Deleted T in ABSOLUTE MAXIMUN RATINGS SOLDER Adding PKG type : 32 TSOP-II Rev. 1.5 May.7.2010 Revised PACKAGE OUTLINE DIMENSION in page 9/10/11 Rev. 1.6 Jul.21.2010 Revised typo in PIN CONFIGURATION Rev. 1.7 Aug.25.2010 Revised ORDERING INFORMATION in page 12 Revised PACKAGE OUTLINE DIMENSION in page 8/12 Rev. 1.8 Oct.29.2010 Revised typo in REVISION HISTORY ORDERING INFORMATION in page 12 to 13 Rev. 1.9 Added SL Grade Aug.9.2011 Deleted E Grade Revised I /I SB1 DR Rev. 1.10 Added PKG type : 32 P-DIP Nov.24.2011 Rev. 1.11 Revised Standby Power Supply Current in page 4 Apr.30.2012 Revised Data Retention Current in page 8 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 0 LY62W5128 Rev. 1.11 512K X 8 BIT LOW POWER CMOS SRAM FEATURES GENERAL DESCRIPTION The LY62W5128 is a 4,194,304-bit low power Fast access time : 55/70ns CMOS static random access memory organized as Low power consumption: 524,288 words by 8 bits. It is fabricated using very Operating current : 30/20mA (TYP.) high performance, high reliability CMOS technology. Standby current : 4 A (TYP.) LL-version Its standby current is stable within the range of 3 A (TYP.) SL-version operating temperature. Single 2.7V ~ 5.5V power supply All outputs TTL compatible The LY62W5128 is well designed for very low power Fully static operation system applications, and particularly well suited for Tri-state output battery back-up nonvolatile memory application. Data retention voltage : 1.5V (MIN.) Green package available The LY62W5128 operates from a single power Package : 32-pin 450 mil SOP supply of 2.7V ~ 5.5V and all inputs and outputs are 32-pin 8mm x 20mm TSOP-I fully TTL compatible 32-pin 8mm x 13.4mm STSOP 36-ball 6mm x 8mm TFBGA 32-pin 400 mil TSOP-II 32-pin 600 mil P-DIP PRODUCT FAMILY Power Dissipation Product Operating Vcc Range Speed Family Temperature Standby(ISB1TYP.) Operating(Icc,TYP.) 0 ~ 70 LY62W5128 2.7 ~ 5.5V 55/70ns 4A(LL)/3A(SL) 30/20mA LY62W5128(I) -40 ~ 85 2.7 ~ 5.5V 55/70ns 4A(LL)/3A(SL) 30/20mA FUNCTIONAL BLOCK DIAGRAM PIN DESCRIPTION SYMBOL DESCRIPTION A0 - A18 Address Inputs Vcc Vss DQ0 DQ7 Data Inputs/Outputs CE Chip Enable Inputs 512Kx8 A0-A18 DECODER MEMORY ARRAY WE Write Enable Input OE Output Enable Input V Power Supply CC V Ground SS NC No Connection I/O DATA DQ0-DQ7 COLUMN I/O CIRCUIT CE CONTROL WE CIRCUIT OE 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