EN25Q40_11 Datasheet, PDF (49/49 Pages) Eon Silicon Solution Inc. – 4 Megabit Serial Flash Memory with 4Kbyte Uniform Sector

Revisions List
EN25Q40
Revision No Description
Date
A
Initial Release
2009/04/06
1. Update Page program, Sector, Block and Chip erase time (typ.)
parameter on page 1 and 39.
(1). Block erase: from 0.4s to 0.5s
(2). Chip erase: from 2s to 3.5s
2. Update the Protected Area Sizes definition of BP2、BP1 and BP0
in table 3 on page 8.
3. Add the description of OTP erase command on page 9 and page 35.
4. Add Figure 6.1 Write Enable/Disable Instruction Sequence under EQIO
Mode on page 13.
5. Add Figure 7.1 Read Status Register Instruction Sequence under
EQIO Mode on page 14.
6. Add Figure 8.1 Write Status Register Instruction Sequence under
EQIO Mode on page 16.
7. Add Figure 10.1 Fast Read Instruction Sequence under EQIO Mode on
page 18.
B
8. Add Figure 13.1. Quad Input / Output Fast Read Instruction Sequence 2009/07/21
under EQIO Mode on page 22.
9. Add Figure 14.1 Quad Input/Output Fast Read Enhance Performance
Mode Sequence under EQIO Mode on page 24.
10. Add Figure 15.1 Program Instruction Sequence under EQIO Mode on
page 26.
11. Add Figure 17.1 Block/Sector Erase Instruction Sequence under
EQIO Mode on page 28.
12. Add Figure 18.1 Chip Erase Sequence under EQIO Mode on page
30.
13. Add Figure 22.1. Read Manufacturer / Device ID Diagram under
EQIO Add Mode on page 33.
14. Add Figure 23.1. Read Identification (RDID) under EQIO Mode on
page 35.
15. Add Figure 24.1 Enter OTP Mode Sequence under EQIO Mode on
page 36.
1. Add Figure 4. Quad SPI Modes on page 7.
C
2. Modify Table 9. DC Characteristics I_CC1 (Standby) and I_CC2 (Deep
2009/10/13
Power-down) Current from 5µA to 20µA on page 39.
3. Remove 8 pins SOP 200mil and 8 pins PDIP package option.
D
Revise the description of Reset Quad I/O (FFh) command on page 12.
2010/07/19
E
Correct the typo of 6 dummy clocks for EBh command on page 22.
2011/07/14
F
Add 8-pin USON (2x3 mm) package option.
2011/11/02
This Data Sheet may be revised by subsequent versions
49
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc.,
Rev. F, Issue Date: 2011/11/02
www.eonssi.com