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LY61256LL Datasheet(PDF) 2 Page - Lyontek Inc. |
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LY61256LL Datasheet(HTML) 2 Page - Lyontek Inc. |
2 / 13 page LY61256 Rev. 1.5 32K X 8 BIT HIGH SPEED 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 : 8/10/12/15ns Low power consumption: Operating current : 110/100/90/80mA (TYP.) Standby current : 1mA (TYP.) 2 μA (TYP.) LL-version Single 5V power supply All inputs and outputs TTL compatible Fully static operation Tri-state output Data retention voltage : 2.0V (MIN.) Green package available Package : 28-pin 300 mil SOJ 28-pin 300 mil Skinny P-DIP 28-pin 8mm x 13.4mm STSOP GENERAL DESCRIPTION The LY61256 is a 262,144-bit high speed CMOS static random access memory organized as 32,768 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 LY61256 is well designed for high speed system application. Easy expansion is provided by using an active LOW Chip Enable(CE#). The active LOW Write Enable(WE#) controls both writing and reading of the memory. The LY61256 operates from a single power supply of 5V and all inputs and outputs are fully TTL compatible PRODUCT FAMILY Power Dissipation Product Family Operating Temperature Vcc Range Speed Standby(ISB1,TYP.) Operating(Icc,TYP.) LY61256 0 ~ 70℃ 4.5 ~ 5.5V 8/10/12/15ns 1mA 110/100/90/80mA LY61256(E) -20 ~ 80℃ 4.5 ~ 5.5V 8/10/12/15ns 1mA 110/100/90/80mA LY61256(I) -40 ~ 85℃ 4.5 ~ 5.5V 8/10/12/15ns 1mA 110/100/90/80mA LY61256(LL) 0 ~ 70℃ 4.5 ~ 5.5V 8/10/12/15ns 2 μA(LL) 110/100/90/80mA LY61256(LLE) -20 ~ 80℃ 4.5 ~ 5.5V 8/10/12/15ns 2 μA(LL) 110/100/90/80mA LY61256(LLI) -40 ~ 85℃ 4.5 ~ 5.5V 8/10/12/15ns 2 μA(LL) 110/100/90/80mA FUNCTIONAL BLOCK DIAGRAM DECODER I/O DATA CIRCUIT CONTROL CIRCUIT 32Kx8 MEMORY ARRAY COLUMN I/O A0-A14 Vcc Vss DQ0-DQ7 CE# WE# OE# PIN DESCRIPTION SYMBOL DESCRIPTION A0 - A14 Address Inputs DQ0 – DQ7 Data Inputs/Outputs CE# Chip Enable Input WE# Write Enable Input OE# Output Enable Input VCC Power Supply VSS Ground |
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