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EN39SL800 Datasheet(PDF) 20 Page - Eon Silicon Solution Inc.

Part No. EN39SL800
Description  8 Megabit (512K x 16-bit) Flash Memory With 4Kbytes Uniform Sector, CMOS 1.8 Volt-only
Download  45 Pages
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Maker  EON [Eon Silicon Solution Inc.]
Homepage  http://www.essi.com.tw
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EN39SL800 Datasheet(HTML) 20 Page - Eon Silicon Solution Inc.

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This Data Sheet may be revised by subsequent versions
©2004 Eon Silicon Solution, Inc.,
www.eonssi.com
or modifications due to changes in technical specifications.
20
EN39SL800
Rev. H, Issue Date: 2011/02/14
Table 9. Status Register Bits
DQ
Name
Logic Level
Definition
‘1’
Erase Complete or
erase Sector/Block in Erase suspend
‘0’
Erase On-Going
DQ7
Program Complete or
data of non-erase Sector/Block during
Erase Suspend
7
DATA#
POLLING
DQ7#
Program On-Going
‘-1-0-1-0-1-0-1-’
Erase or Program On-going
DQ6
Read during Erase Suspend
6
TOGGLE
BIT
‘-1-1-1-1-1-1-1-‘
Erase Complete
‘1’
Program or Erase Error
5
TIME OUT BIT
‘0’
Program or Erase On-going
‘1’
Erase operation start
3
ERASE TIME
OUT BIT
‘0’
Erase timeout period on-going
‘-1-0-1-0-1-0-1-’
Chip Erase, Sector/Block Erase or
Erase suspend on currently addressed
Sector/Block. (When DQ5=1, Erase
Error due to currently addressed
Sector/Block. Program during Erase
Suspend on-going at current address
2
TOGGLE
BIT
DQ2
Erase Suspend read on
non Erase Suspend Sector/Block
Notes:
DQ7 DATA# Polling: indicates the P/E C status check during Program or Erase, and on completion before checking bits DQ5 for
Program or Erase Success.
DQ6 Toggle Bit: remains at constant level when P/E operations are complete or erase suspend is acknowledged. Successive reads
output complementary data on DQ6 while programming or Erase operation are on-going.
DQ5 Time Out Bit: set to “1” if failure in programming or erase
DQ3 Sector/Block Erase Command Timeout Bit: Operation has started. Only possible command is Erase suspend (ES).
DQ2 Toggle Bit: indicates the Erase status and allows identification of the erased Sector/Block


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