28F004BE Ver la hoja de datos (PDF) - Intel
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28F004BE Datasheet PDF : 57 Pages
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E
4-MBIT SmartVoltage BOOT BLOCK FAMILY
Table 15. AC Characteristics: CE#–Controlled Write Operations (1,12) (Commercial) (Continued)
Prod
BV-80
BV-120
Sym
Parameter
VCC 3.3 ± 0.3V(9) 5V±10%(11) 3.3 ± 0.3V(9) 5V±10%(11) Unit
Load 50 pF
100 pF
50 pF
100 pF
Notes Min Max Min Max Min Max Min Max
tAVAV
tPHEL
Write Cycle Time
RP# High Recovery to
CE# Going Low
150
80
180
120
ns
0.8
0.45
0.8
0.45
µs
tWLEL WE# Setup to CE# Going
0
0
0
0
ns
Low
tPHHEH Boot Block Lock Setup to 6,8 200
100
200
100
ns
CE# Going High
tVPEH
VPP Setup to CE# Going
High
5,8 200
100
200
100
ns
tAVEH Address Setup to CE#
3 120
50
150
50
ns
Going High
tDVEH Data Setup to CE# Going 4 120
50
150
50
ns
High
tELEH CE# Pulse Width
120
50
150
50
ns
tEHDX Data Hold Time from CE# 4
0
0
0
0
ns
High
tEHAX Address Hold Time from
3
0
0
0
0
ns
CE# High
tEHWH WE # Hold Time from
CE# High
0
0
0
0
ns
tEHEL CE# Pulse Width High
30
30
30
30
ns
tEHQV1 Duration of Word/Byte
2,5 6
6
6
6
µs
Programming Operation
tEHQV2 Erase Duration (Boot)
2,5,6 0.3
0.3
0.3
0.3
s
tEHQV3 Erase Duration (Param)
2,5 0.3
0.3
0.3
0.3
s
tEHQV4 Erase Duration(Main)
2,5 0.6
0.6
0.6
0.6
s
tQVVL VPP Hold from Valid SRD 5,8
tQVPH RP# VHH Hold from
6,8
Valid SRD
tPHBR Boot-Block Lock Delay
7,8
0
0
0
0
ns
0
0
0
0
ns
200
100
200
100 ns
PRELIMINARY
41
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