LY62W10248 Rev. 1.7 1024K X 8 BIT LOW POWER CMOS SRAM REVISION HISTORY Revision Description Issue Date Rev. 1.0 Initial Issue Jan.10.2008 Rev. 1.1 Added ISB Spec. Feb.1.2008 Rev. 1.2 Revised ICC1/ISB1/V /I Spec. Mar.2.2009 DR DR Rev. 1.3 Revised VTERM to VT1 and VT2 May.7.2010 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 Revised PACKAGE OUTLINE DIMENSION in page 11 Revised V to 0.7*Vcc IH Rev. 1.4 Aug.25.2010 Revised ORDERING INFORMATION in page 11 Rev. 1.5 Deleted E grade Apr.25.2011 Added SL grade Revised V in page 3 IH Rev. 1.6 Revised TEST CONDITION of VIH in page 4 May.13.2011 Rev. 1.7 Jul.27.2011 Revised PACKAGE OUTLINE DIMENSION in page 10 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 LY62W10248 Rev. 1.7 1024K X 8 BIT LOW POWER CMOS SRAM FEATURES GENERAL DESCRIPTION The LY62W10248 is a 8,388,608-bit low power Fast access time : 55/70ns CMOS static random access memory organized as Low power consumption: 1,048,576 words by 8 bits. It is fabricated using very Operating current : 30/20mA (TYP.) high performance, high reliability CMOS technology. Standby current : 6 A (TYP.) LL-version Its standby current is stable within the range of 3A (TYP.) SL-version operating temperature. Single 2.7V ~ 5.5V power supply All inputs and outputs TTL compatible The LY62W10248 is well designed for very low Fully static operation power system applications, and particularly well Tri-state output suited for battery back-up nonvolatile memory Data retention voltage : 1.5V (MIN.) application. Green package available Package : 44-pin 400 mil TSOP-II The LY62W10248 operates from a single power 48-ball 6mm x 8mm TFBGA supply of 2.7V ~ 5.5V and all inputs and outputs are fully TTL compatible PRODUCT FAMILY Power Dissipation Product Operating Vcc Range Speed Family Temperature Standby(ISB1,TYP.) Operating(Icc,TYP.) LY62W10248 0 ~ 70 2.7 ~ 5.5V 55/70ns 6A(LL)/3A(SL) 30/20mA LY62W10248(I) -40 ~ 85 2.7 ~ 5.5V 55/70ns 6A(LL)/3A(SL) 30/20mA FUNCTIONAL BLOCK DIAGRAM PIN DESCRIPTION SYMBOL DESCRIPTION A0 - A19 Address Inputs Vcc Vss DQ0 DQ7 Data Inputs/Outputs CE , CE2 Chip Enable Inputs 1024Kx8 A0-A19 DECODER MEMORY ARRAY WE Write Enable Input OE Output Enable Input VCC Power Supply VSS Ground NC No Connection I/O DATA DQ0-DQ7 COLUMN I/O CIRCUIT CE CE2 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