EN29LV641H datasheet(29/46 Pages) EON

Il numero della parte	EN29LV641H

Spiegazioni elettronici	64 Megabit (4096K x 16-bit) Flash Memory, CMOS 3.0 Volt-only Uniform Sector Flash Memory

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Produttore elettronici	EON [Eon Silicon Solution Inc.]

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This Data Sheet may be revised by subsequent versions

or modifications due to changes in technical specifications.

29

EN29LV641H/L EN29LV640U

Rev. B, Issue Date: 2005/06/27

Flowchart 6b. In-System Sector Group Unprotect Flowchart

START

PLSCNT = 1

RESET# = VID

Wait 1

µS

First Write

Cycle = 60h?

Temporary Sector

Group Unprotect Mode

No

Yes

All sectors

protected?

Yes

No

Protect all sector

groups: The

indicated portion of

the sector group

protect algorithm

must be performed

for all unprotected

sectors prior to

issuing the first

sector unprotect

address (see

Diagram 6a.)

Set up first sector

group address

Unprotect: Write 60H to sector

address with A6 = 1,

A1 = 1, A0 = 0

Wait 15 ms

Verify Unprotect: Write 40h

to sector address with A6 =

1, A1 = 1, A0 =0

Read from sector group address

with A6 = 1, A1 = 1, A0 = 0

Data = 00h?

No

PLSCCNT =

1000?

No

Increment

PLSCNT

Yes

Device failed

Last sector

group

verified?

No

Set up next sector

group address

Remove VID from

RESET#

Write reset

command

Sector Group

Unprotect complete

Sector Group Unprotect Algorithm

Wait 0.4

µS

Yes

Codice articolo simile - EN29LV641H

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Eon Silicon Solution In...	EN29LV640	423Kb / 45P	64 Megabit (4M x 16-bit ) CMOS 3.0 Volt-only, Uniform Sector Flash Memory
	EN29LV640A	549Kb / 53P	64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
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	EN29LV640AB-90TIP	549Kb / 53P	64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
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Descrizione simile - EN29LV641H

Produttore elettronici	Il numero della parte	Scheda tecnica	Spiegazioni elettronici
Eon Silicon Solution In...	EN29LV640	423Kb / 45P	64 Megabit (4M x 16-bit ) CMOS 3.0 Volt-only, Uniform Sector Flash Memory
	EN29LV320	424Kb / 49P	32 Megabit (4096K x 8-bit / 2048K x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
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	EN29LV320C	459Kb / 49P	32 Megabit (4096K x 8-bit / 2048K x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
	EN29LV320A	410Kb / 49P	32 Megabit (4096K x 8-bit / 2048K x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only
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	EN29GL064AT	678Kb / 58P	64 Megabit (8192K x 8-bit / 4096K x 16-bit) Flash Memory Page mode Flash Memory, CMOS 3.0 Volt-only
Advanced Micro Devices	AM29LV017B	510Kb / 39P	16 Megabit (2 M x 8-Bit) CMOS 3.0 Volt-only Uniform Sector Flash Memory
Eon Silicon Solution In...	EN29LV640T	475Kb / 53P	64 Megabit (8M x 8-bit / 4M x 16-bit) Flash Memory Boot Sector Flash Memory, CMOS 3.0 Volt-only

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