Application Note - Eon Silicon Solution Inc.

Eon Silicon Solution Inc.
Application Note
EON EN25Q80A
vs
SST SST25VF080B
Specification Comparison
This Application Note may be revised by subsequent versions
or modifications due to changes in technical specifications.
1
©2005 Eon Silicon Solution Inc.
Rev. A, Issue Date: 2009/ 12/15
www.eonssi.com
Eon Silicon Solution Inc.
1. INTRODUCTION
The application note introduces how to implement a system design from SST
SST25VF080B Flash to Eon EN25Q80A Flash.
2. GENERAL FUNCTION COMPARISON TABLE:
2.1 The following table highlights the major features of these two devices.
Features
Voltage Range
Pin to Pin
Compatible
(Quad mode)
SPI frequency
(standard / dual /
quad mode)
Secured Silicon
Sector Region
EN25Q80A
2.7 ~ 3.6
8-pins SOP 150mil / 208mil
8 contact VDFN (5x6mm)
8-pin DIP
SST25VF080B
2.7 ~ 3.6
8-pin SOP 208mil
8-Pad WSON (5x6mm)
8-Pin DIP
100MHz (standard mode)
80MHz @ dual & quad mode
50MHz @ standard mode
256 Byte
No
Sector
Architecture
Uniform
256 Sectors of 4 K byte
16 blocks of 64 K byte
SPI mode
Mode 0 / Mode 3
Uniform
256 sectors of 4 K byte
16 blocks of 64 K byte
32 blocks of 32 K byte
Mode 0 / Mode 3
Minimum
Endurance Cycle
100K
100K
Package
8-pins SOP 150mil / 208mil
8 contact VDFN (5x6mm)
8-pin DIP
8-pin SOP 208mil
8-Pad WSON (5x6mm)
8-Pin DIP
This Application Note may be revised by subsequent versions
or modifications due to changes in technical specifications.
2
©2005 Eon Silicon Solution Inc.
Rev. A, Issue Date: 2009/ 12/15
www.eonssi.com
Eon Silicon Solution Inc.
3. HARDWARE CONSIDERATIONS
3.1 ICC comparison
EN25Q80A
SST25VF080B
Max
25 @ 100MHz
20 @ 80MHz
28
Max
18 @ 50MHz
mA
30
mA
Sector Erase (SE) ICC6
Block Erase (BE) ICC7
25
30
mA
Standby ICC1
20
20
μA
Current
Read ICC3
Page Program (PP) ICC4
Unit
3.2 Pin Configuration
Pin number
Pin1
Pin2
Pin3
Pin4
Pin5
Pin6
Pin7
Pin8
EN25Q80A
CS#
DO (DQ1)
WP# (DQ2)
VSS
DI (DQ0)
CLK
NC (DQ3)
VCC
SST25VF080B
CE#
SO
WP#
VSS
SI
CLK
HOLD#
VDD
Note:
1. If customers don’t use HOLD# pin function on SST25VF080B, which can be replaced
by EN25Q80A in standard SPI mode.
2. SST25VF080B can support general standard SPI mode.
3. EN25Q80A can support general standard / dual / quad SPI mode.
(Need specific SPI controller)
This Application Note may be revised by subsequent versions
or modifications due to changes in technical specifications.
3
©2005 Eon Silicon Solution Inc.
Rev. A, Issue Date: 2009/ 12/15
www.eonssi.com
Eon Silicon Solution Inc.
4. SOFTWARE CONSIDERATIONS
4.1 Manufacturer, Memory Type & Device Identification (M7~M0: manufacture ID,
D15~ID0: memory type, ID7~ID0: memory density) comparison.
For EN25Q80A
OP Code
(M7-M0)
(ID15-ID0)
ABh
(ID7-ID0)
13h
90h
1Ch
9Fh
1Ch
13h
3014h
For SST25VF080B
OP code: 9Fh
OP code: 90h or ABh
This Application Note may be revised by subsequent versions
or modifications due to changes in technical specifications.
4
©2005 Eon Silicon Solution Inc.
Rev. A, Issue Date: 2009/ 12/15
www.eonssi.com
Eon Silicon Solution Inc.
4.2. Instruction Set Comparison
4.2.1 Different Read Status Register content
EN25Q80A:
S5 is reserved bit, S6 is WPDIS bit, S7 are SRP bit and OTP_LOCK bit (in OTP mode).
SST25VF080B:
Bit 0 is BP3, Bit 6 is AAI and Bit 7 is BPL.
This Application Note may be revised by subsequent versions
or modifications due to changes in technical specifications.
5
©2005 Eon Silicon Solution Inc.
Rev. A, Issue Date: 2009/ 12/15
www.eonssi.com
Eon Silicon Solution Inc.
4.2.2 Different block protect area definitions of (BP0~BP3)
EN25Q80A:
SST25VF080B:
4.2.3 Enable Quad I/O (EQIO) (38h) command
EN25Q80A:Support.
SST25VF080B:No support.
4.2.4 Reset Quad I/O (RSTQIO) (FFh) command
EN25Q80A:Support.
SST25VF080B:No support.
This Application Note may be revised by subsequent versions
or modifications due to changes in technical specifications.
6
©2005 Eon Silicon Solution Inc.
Rev. A, Issue Date: 2009/ 12/15
www.eonssi.com
Eon Silicon Solution Inc.
4.2.5 Different block erase command
EN25Q80A:Only support D8h command. (for 64K byte)
SST25VF080B:Support 52h (for 32K byte) and D8h commands. (for 64K Byte)
4.2.6 Dual Output FAST_READ (3Bh) commands
EN25Q80A:Support.
SST25VF080B:No support.
4.2.7 Dual Input / Output FAST_READ (BBh) commands
EN25Q80A:Support.
SST25VF080B:No support.
4.2.8 Quad Input / Output FAST_READ (EBh) commands
EN25Q80A:Support.
SST25VF080B:No support.
4.2.9 Enter OTP Mode (3Ah) commands
EN25Q80A:Support.
OTP Sector Address
SST25VF080B:No support.
4.2.10 Auto Address Increment Programming commands
EN25Q80A:No support.
SST25VF080B:Support.
4.2.11 Enable Write Status Register commands
EN25Q80A:No support.
SST25VF080B:Support.
This Application Note may be revised by subsequent versions
or modifications due to changes in technical specifications.
7
©2005 Eon Silicon Solution Inc.
Rev. A, Issue Date: 2009/ 12/15
www.eonssi.com
Eon Silicon Solution Inc.
4.2.12 Enable SO to output RY/BY# status during AAI programming commands
EN25Q80A:No support.
SST25VF080B:Support.
4.2.13 Disable SO to output RY/BY# status during AAI programming commands
EN25Q80A:No support.
SST25VF080B:Support.
5. PERFORMANCE DIFFERENCES
5.1 ERASE AND PROGRAM PERFORMANCE
The erasing and programming performance comparison.
EN25Q80A
Parameter
SST25VF080B
Unit
Typ
Max
Typ
Max
Page Programming Time
1.3
5
1.8
2.56
ms
4 KB Sector Erase Time
0.09
0.3
-
0.025
sec
64KB Block Erase Time
0.5
2
0.018
0.025
sec
Chip (Bulk) Erase Time
8
20
0.035
0.05
sec
5.2 KEY AC PARAMETER PERFORMANCE
EN25Q80A
SST25VF080B
tCH (serial clock high time)
Min @ 4ns
Min @ 9ns
tCL (serial clock low time)
Min @ 4ns
Min @ 9ns
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
tSLCH(CS# active setup time)
[email protected] 5ns
Min @ 5ns
tCHSH(CS# active hold time)
[email protected] 5ns
Min @ 5ns
Parameter
tSHSL(CS# high time)
Min @ 15ns for Read
Min @ 50ns for Write
Min @ 50ns
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.
8
©2005 Eon Silicon Solution Inc.
Rev. A, Issue Date: 2009/ 12/15
www.eonssi.com
Eon Silicon Solution Inc.
Revisions List
Revision No Description
Date
A
2009/12/15
Initial Release
This Application Note may be revised by subsequent versions
or modifications due to changes in technical specifications.
9
©2005 Eon Silicon Solution Inc.
Rev. A, Issue Date: 2009/ 12/15
www.eonssi.com