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ACTF128K32 Datasheet(PDF) 16 Page - Aeroflex Circuit Technology

No. de pieza ACTF128K32
Descripción Electrónicos  ACT-F128K32 High Speed 4 Megabit FLASH Multichip Module
PDF  20 Pages
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Fabricante Electrónico  AEROFLEX [Aeroflex Circuit Technology]
Página de inicio  http://www.aeroflex.com
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ACTF128K32 Datasheet(HTML) 16 Page - Aeroflex Circuit Technology

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SCD1667 REV A 4/28/97 Plainview NY (516) 694-6700
16
Sector Unprotect Algorithm
Figure 12
Start
Data = 00H
Set Up Sector Address
Unprotected Mode
Activate WE Pulse
Time Out 10ms
Set A1 = 1, A0 = 0
Setup Sector Address SA0
PLSCNT = 1000
Address = SA7
Sector
Device Failure
Write Reset Command
Sector Unprotect
Completed
Yes
Yes
No
Set VCC = 5.0 V
(A12 = A7 = VIH, A6 = VIL)
OE = CE = A9 = VID
Set
Set OE = CE = VIL
Remove VID from A9
?
Read Data
From Device
Increment
PLSCNT
Increment
Sector Address
No
?
Yes
No
?
Notes:
SA0 = Sector Address for initial sector
SA7 = Sector Address for last sector
Please refer to Table 2
PLSCNT = 1
Protect All Sectors
Set VCC = 5.0 V
Set VCC = 4.25 V
Set VCC = 5.0 V
Write Autoselect
Command Sequence
Write Reset
Command



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