EN25F40 데이터 시트보기 (PDF) - Eon Silicon Solution Inc.

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EN25F40

8 Mbit Serial Flash Memory

Eon Silicon Solution Inc. 

EN25F40

Read Manufacturer / Device ID (90h)

The Read Manufacturer/Device ID instruction is an alternative to the Release from Power-down / Device

ID instruction that provides both the JEDEC assigned manufacturer ID and the specific device ID.

The Read Manufacturer/Device ID instruction is very similar to the Release from Power-down / Device

ID instruction. The instruction is initiated by driving the CS# pin low and shifting the instruction code

“90h” followed by a 24-bit address (A23-A0) of 000000h. After which, the Manufacturer ID for Eon (1Ch)

and the Device ID are shifted out on the falling edge of CLK with most significant bit (MSB) first as

shown in Figure 18. The Device ID values for the EN25F40 are listed in Table 5. If the 24-bit address is

initially set to 000001h the Device ID will be read first

Figure 18. Read Manufacturer / Device ID Diagram

Read Identification (RDID) (9Fh)

This Data Sheet may be revised by subsequent versions

20

or modifications due to changes in technical specifications.

©2004 Eon Silicon Solution, Inc.,

Rev. I, Issue Date: 2010/05/31

www.eonssi.com

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