Eon Silicon Solution Inc. Migration Note EON Flash EN25F40-100VIP to EN25Q40-100WIP This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 1 Rev. A, Issue Date: 2009/ 06/08 ©2005 Eon Silicon Solution Inc. www.eonssi.com Eon Silicon Solution Inc. 1. INTRODUCTION The application note introduces how to implement a system design from EON EN25F40-100VIP Flash to Eon EN25Q40-100WIP Flash. 2. GENERAL FUNCTION COMPARISON TABLE: 2.1 The following table is major features of these two devices. Features EN25F40-100VIP EN25Q40-100WIP voltage range 2.7 ~ 3.6 2.7 ~ 3.6 SPI frequency 100MHz (standard mode) 100MHz (standard mode) 80MHz @ dual & quad mode 256 Byte 256 Byte Secured Silicon Sector region Sector Architecture SPI mode Minimum endurance cycle Package Uniform 128 sectors of 4K byte / Uniform 128 sectors of 4K byte / 8 block of 64K byte 8 block of 64K byte Mode 0 / Mode 3 Mode 0 / Mode 3 100K 100K 8-pin 150mil / 200mil SOP 8 contact VDFN 8-pin PDIP 8-pin 150mil / 200mil SOP 8 contact VDFN 8-pin PDIP 2.2 The following table is pin comparison Pin number Pin1 Pin2 Pin3 Pin4 Pin5 Pin6 Pin7 Pin8 EN25F40-100VIP CS# DO WP# VSS DI CLK HOLD# VCC EN25Q40-100WIP CS# DO(DQ1) WP#(DQ2) VSS DI(DQ0) CLK NC(DQ3) VCC Note: If customers don’t use Hold# pin function on EN25F40-100VIP, which can be replaced by EN25Q40-100WIP in standard SPI mode. EN25F40-100VIP only support general standard SPI mode. EN25Q40-100WIP can support general standard / dual / quad SPI mode. (Need specific SPI This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 2 Rev. A, Issue Date: 2009/ 06/08 ©2005 Eon Silicon Solution Inc. www.eonssi.com Eon Silicon Solution Inc. controller) 2.3 The following tables are the different definitions of block protect area (BP0~BP2) EN25F40-100VIP EN25Q40-100WIP Note: RFU = reserved for future use. This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 3 Rev. A, Issue Date: 2009/ 06/08 ©2005 Eon Silicon Solution Inc. www.eonssi.com Eon Silicon Solution Inc. 3. HARDWARE CONSIDERATIONS 3.1 ICC comparison Current EN25Q40-100WIP Typ Read ICC1 EN25F40-100VIP Unit Max Typ Max N/A 25 N/A 25 mA Write ICC2 N/A 18 N/A 15 mA Standby ICC3 N/A 5.0 N/A 5.0 A 4. SOFTWARE CONSIDERATIONS Except of memory type, (only difference on 9Fh command) there is no difference in Manufacture ID, Device ID 4.1 Manufacturer, Memory Type & Device Identification (M7~M0: manufacture ID, D15~ID0: memory type, ID7~ID0: memory density) For EN25F40-100VIP For EN25Q40-100WIP This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 4 Rev. A, Issue Date: 2009/ 06/08 ©2005 Eon Silicon Solution Inc. www.eonssi.com Eon Silicon Solution Inc. 5. PERFORMANCE DIFFERENCES 5.1 ERASE AND PROGRAM PERFORMANCE The erasing and programming performance comparison. EN25Q40-100WIP Parameter EN25F40-100VIP Unit Typ Max Typ Max Sector Erase Time 0.09 0.3 0.15 0.3 Sec Block Erase Time 0.4 2 0.8 2 Sec Chip Erase Time 3.5 10 5 10 Sec Page Programming Time 1.3 5 1.5 5 ms NOTE: ERASE FROM “1” “1”. 5.2 KEY AC PARAMETER PERFORMANCE EN25Q40-100WIP EN25F40-100VIP tCH (serial clock high time) Min@ 4ns Min@ 4ns tCL (serial clock low time) Min@ 4ns Min@ 4ns tCLCH(serial clock rise time) Min@ 0.1V / ns Min@ 0.1V / ns tCLCL(serial clock fall time) Min@ 0.1V / ns Min@ 0.1V / ns Min@ 5ns Min@ 5ns Parameter tCHSH(CS# active setup / hold time) tSHSL(CS# high time) Min@100ns Min@100ns tDSU(Data in setup time) Min@2ns Min@2ns tDH(Data in hold time) Min@5ns Min@5ns This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 5 Rev. A, Issue Date: 2009/ 06/08 ©2005 Eon Silicon Solution Inc. www.eonssi.com Eon Silicon Solution Inc. Revisions List Revision No Description Date A 2009/6/08 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/ 06/08 ©2005 Eon Silicon Solution Inc. www.eonssi.com