EN25S16 데이터 시트보기 (PDF) - Eon Silicon Solution Inc.

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EN25S16

16 Megabit 1.8V Serial Flash Memorywith 4Kbyte Uniform Sector

Eon Silicon Solution Inc. 

EN25S16

Figure 7. Write Enable Instruction Sequence Diagram

Write Disable (WRDI) (04h)

The Write Disable instruction (Figure 8) resets the Write Enable Latch (WEL) bit in the Status Register

to a 0 or exit from OTP mode to normal mode. The Write Disable instruction is entered by driving Chip

Select (CS#) low, shifting the instruction code “04h” into the DI pin and then driving Chip Select (CS#)

high. Note that the WEL bit is automatically reset after Power-up and upon completion of the Write

Status Register, Page Program, Sector Erase, Block Erase (BE) and Chip Erase instructions.

The instruction sequence is shown in Figure 8.1 while using the Enable Quad Peripheral Interface mode

(EQPI) (38h) command.

Figure 8. Write Disable Instruction Sequence Diagram

This Data Sheet may be revised by subsequent versions

16

or modifications due to changes in technical specifications.

©2004 Eon Silicon Solution, Inc.,

Rev. H, Issue Date: 2011/12/16

www.eonssi.com

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