28F004BE Ver la hoja de datos (PDF) - Intel
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28F004BE Datasheet PDF : 57 Pages
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4-MBIT SmartVoltage BOOT BLOCK FAMILY
E
Sym
Table 15. AC Characteristics: CE#–Controlled Write Operations (1,12) (Commercial)
Prod
BV-60
Parameter
VCC 3.3 ± 0.3V(9)
5V ± 5%(10)
5V ± 10%(11)
Load
50 pF
30 pF
100 pF
Note Min Max Min Max Min Max
Unit
tAVAV
tPHEL
Write Cycle Time
RP# High Recovery to CE#
Going Low
110
60
70
ns
0.8
0.45
0.45
µs
tWLEL WE# Setup to CE# Going Low
0
0
0
ns
tPHHEH Boot Block Lock Setup to CE# 6,8 200
100
100
ns
Going High
tVPEH VPP Setup to CE# Going High
5,8 200
100
100
ns
tAVEH Address Setup to CE# Going
3
90
50
50
ns
High
tDVEH Data Setup to CE# Going High
4
90
50
50
ns
tELEH CE# Pulse Width
90
50
50
ns
tEHDX Data Hold Time from CE# High 4
0
0
0
ns
tEHAX Address Hold Time from CE#
3
0
0
0
ns
High
tEHWH WE # Hold Time from CE# High
0
0
0
ns
tEHEL CE# Pulse Width High
20
10
20
ns
tEHQV1 Duration of Word/Byte
2,5
6
6
6
µs
Programming Operation
tEHQV2
tEHQV3
tEHQV4
tQVVL
tQVPH
tPHBR
Erase Duration (Boot)
Erase Duration (Param)
Erase Duration(Main)
VPP Hold from Valid SRD
RP# VHH Hold from
Valid SRD
Boot-Block Lock Delay
2,5,6 0.3
0.3
0.3
s
2,5 0.3
0.3
0.3
s
2,5 0.6
0.6
0.6
s
5,8
0
0
0
ns
6,8
0
0
0
ns
7,8
200
100
100 ns
40
PRELIMINARY
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