Eon Silicon Solution Inc. Migration Note EON Flash EN29LV160A to EN29LV160B This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 1 Rev. A, Issue Date: 2009/ 04/22 ©2005 Eon Silicon Solution Inc. www.ession.com Eon Silicon Solution Inc. 1. INTRODUCTION The application note introduces how to implement a system design from EON EN29LV160A Flash to Eon EN29LV160B Flash. 2. GENERAL FUNCTION COMPARISON TABLE: The following table is major features of these two devices. Features Process voltage range Pin to Pin Access time Secured Silicon Sector region EN29LV160A 0.18um EN29LV160B 0.13um 2.7 ~ 3.6 2.7 ~ 3.6 Compatible (for 48 TSOP) Compatible (for 48 TFBGA) 70ns Compatible (for 48 TSOP) Compatible (for 48 TFBGA) 70ns None None 8K Byte x 2 sectors /16K Byte X 1 sector / 32K Byte X1 sector / 64K Byte X 31 sectors boot sectors at Top or Bottom Byte/Word mode Yes VID and VHH 10.5V - 11.5V Max CFI Compliant Yes Erase Yes Suspend/Resume Sector Architecture Minimum endurance cycle Package 8K Byte x 2 sectors /16K Byte X 1 sector / 32K Byte X1 sector / 64K Byte X 31 sectors boot sectors at Top or Bottom Yes 10.5V - 11.5V Yes Yes 100K 100K 48-pin 12mm x 20mm TSOP 48 ball 6mm x 8mm TFBGA This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 48-pin 12mm x 20mm TSOP 48 ball 6mm x 8mm TFBGA 2 Rev. A, Issue Date: 2009/ 04/22 ©2005 Eon Silicon Solution Inc. www.ession.com Eon Silicon Solution Inc. 3. HARDWARE CONSIDERATIONS 3.1 ICC comparison Current EN29LV160B EN29LV160A Unit Typ Max Typ Max Read ICC1 9 16 9 16 mA Write ICC2 20 30 20 30 mA Standby ICC3 1 5.0 1 5.0 A 3.2 Max VID comparison EN29LV160A & EN29LV160B VID range is the same. (10.5V~11.5V) 4. SOFTWARE CONSIDERATIONS There is no difference in Manufacture ID, Device ID, and Autoselect functions for EN29LV160B and EN29LV160A. 4.1 Manufacturer, Device Identification and Autoselect Information For EN29LV160A autoselect mode table This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 3 Rev. A, Issue Date: 2009/ 04/22 ©2005 Eon Silicon Solution Inc. www.ession.com Eon Silicon Solution Inc. For EN29LV160B autoselect mode table 5. PERFORMANCE DIFFERENCES 5.1 Power-on and Reset Timings EN29LV160B EN29LV160A Parameter Description tVCS Vcc Setup Time RESET# Pulse Width (During Embedded Algorithms) RESET# Pulse Width (NOT During Embedded Algorithms) Reset# High Time Before Read RY/BY# Recovery Time ( to CE#, OE# go low) RY/BY# Recovery Time ( to WE# go low) Reset# Pin Low (During Embedded Algorithms) to Read or Write Reset# Pin Low (NOT During Embedded Algorithms) to Read or Write tRP1 tRP2 tRH tRB1 tRB2 tREADY1 tREADY2 50µs 50µs 10us 500ns 500ns 500ns 50ns 50ns 0ns 0ns 50ns None* 20µs 20µs 500ns 500ns Note*: There is no clear description in datasheet. This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 4 Rev. A, Issue Date: 2009/ 04/22 ©2005 Eon Silicon Solution Inc. www.ession.com Eon Silicon Solution Inc. 5.2 ERASE AND PROGRAM PERFORMANCE The erase time is improved greatly in EN29LV160B. This is the major different between EN29LV160A and EN29LV160B. EN29LV160B EN29LV160A Typ Max Typ Max 0.1 2 0.5 10 Sec Chip Erase Time 4 35 17.5 None* Sec Byte Programming Time 8 200 8 200 µS Word Programming Time 8 200 8 200 µS Byte 16.8 50.4 16.8 50.4 Sec Word 8.4 25.2 8.4 25.2 Sec Parameter Sector Erase Time Chip Programming Time Unit Note*: There is no clear description in datasheet. This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 5 Rev. A, Issue Date: 2009/ 04/22 ©2005 Eon Silicon Solution Inc. www.ession.com Eon Silicon Solution Inc. Revisions List Revision No Description Date A 2009/4/22 Initial Release This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 6 Rev. A, Issue Date: 2009/ 04/22 ©2005 Eon Silicon Solution Inc. www.ession.com