LY62W51216 Rev. 1.7 512K X 16 BIT LOW POWER CMOS SRAM REVISION HISTORY Revision Description Issue Date Rev. 1.0 Initial Issue Oct.14.2007 Rev. 1.1 Added ISB Spec. Feb.1.2008 Rev. 1.2 Revised ICC1/ISB1/V /I Spec. Mar.2.2009 DR DR Revised typos in Page 1(I TYP.) CC Rev. 1.3 May.7.2010 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 10 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 VIH in page 3 Rev. 1.6 Revised TEST CONDITION of V in page 3 May.13.2011 IH 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 LY62W51216 Rev. 1.7 512K X 16 BIT LOW POWER CMOS SRAM FEATURES GENERAL DESCRIPTION The LY62W51216 is a 8,388,608-bit low power Fast access time : 55/70ns CMOS static random access memory organized as Low power consumption: 524,288 words by 16 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 LY62W51216 is well designed for low power Fully static operation application, and particularly well suited for battery Tri-state output back-up nonvolatile memory application. Data byte control : LB (DQ0 ~ DQ7) UB (DQ8 ~ DQ15) The LY62W51216 operates from a single power Data retention voltage : 1.5V (MIN.) supply of 2.7V ~ 5.5V and all inputs and outputs are Green package available fully TTL compatible Package : 44-pin 400 mil TSOP-II 48-ball 6mm x 8mm TFBGA PRODUCT FAMILY Power Dissipation Product Operating Vcc Range Speed Family Temperature Standby(ISB1,TYP.) Operating(Icc,TYP.) LY62W51216 0 ~ 70 2.7 ~ 5.5V 55/70ns 6A(LL)/3A(SL) 30/20mA LY62W51216(I) -40 ~ 85 2.7 ~ 5.5V 55/70ns 6A(LL)/3A(SL) 30/20mA FUNCTIONAL BLOCK DIAGRAM PIN DESCRIPTION SYMBOL DESCRIPTION Vcc A0 - A18 Address Inputs Vss DQ0 DQ15 Data Inputs/Outputs CE Chip Enable Input 512Kx16 A0-A18 DECODER MEMORY ARRAY WE Write Enable Input OE Output Enable Input LB Lower Byte Control UB Upper Byte Control VCC Power Supply VSS Ground DQ0-DQ7 Lower Byte I/O DATA COLUMN I/O CIRCUIT DQ8-DQ15 Upper Byte CE WE CONTROL OE CIRCUIT LB UB 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