EN25Q16 Datasheet, PDF(10/40 Page) Eon Silicon Solution Inc. – 16 Megabit Serial Flash Memory with 4Kbyte Uniform Sector

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EN25Q16 Datasheet, PDF (10/40 Pages) Eon Silicon Solution Inc. – 16 Megabit Serial Flash Memory with 4Kbyte Uniform Sector

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EN25Q16

In the case of Page Program, if the number of byte after the command is less than 4 (at least 1

data byte), it will be ignored too. In the case of SE and BE, exact 24-bit address is a must, any

less or more will cause the command to be ignored.

All attempts to access the memory array during a Write Status Register cycle, Program cycle or Erase

cycle are ignored, and the internal Write Status Register cycle, Program cycle or Erase cycle continues

unaffected.

Table 4A. Instruction Set

Instruction Name

Byte 1

Code

Byte 2

Byte 3

Write Enable

06h

Write Disable / Exit

OTP mode

04h

Read Status

05h

Write Status

01h

Page Program

02h

Sector Erase / OTP

erase

20h

Block Erase

D8h

(S7-S0)(1)

S7-S0

A23-A16 A15-A8

Chip Erase

C7h/ 60h

Deep Power-down B9h

Release from Deep

Power-down, and

read Device ID

ABh

Release from Deep

Power-down

Manufacturer/

Device ID

90h

Read Identification 9Fh

Enter OTP mode

3Ah

dummy

(M7-M0)

dummy

(ID15-ID8)

Byte 4 Byte 5 Byte 6

A7-A0

D7-D0

Next byte

dummy (ID7-ID0)

00h

01h

(ID7-ID0)

(M7-M0)

(ID7-ID0)

(5)

(ID7-ID0)

(M7-M0)

n-Bytes

continuous(2)

continuous

(3)

(4)

Notes:

1. Data bytes are shifted with Most Significant Bit first. Byte fields with data in parenthesis â( )â indicate data being read from the

device on the DO pin.

2. The Status Register contents will repeat continuously until CS# terminate the instruction.

3. The Device ID will repeat continuously until CS# terminate the instruction

4. The Manufacturer ID and Device ID bytes will repeat continuously until CS# terminate the instruction.

00h on Byte 4 starts with MID and alternate with DID, 01h on Byte 4 starts with DID and alternate with MID.

5. (M7-M0) : Manufacturer, (ID15-ID8) : Memory Type, (ID7-ID0) : Memory Capacity

This Data Sheet may be revised by subsequent versions

or modifications due to changes in technical specifications.

Rev. E, Issue Date: 2009/10/21

www.eonssi.com

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