TB28F400BVT80 Intel, TB28F400BVT80 Datasheet - Page 54

• Manufacturer Part Number: TB28F400BVT80
• Manufacturer: Intel

Specifications of TB28F400BVT80

• Density: 4Mb
• Access Time (max): 80ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 19/18Bit
• Operating Supply Voltage (typ): 3.3/5V
• Operating Temp Range: -40C to 85C
• Package Type: SOP
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 3/4.5V
• Operating Supply Voltage (max): 3.6/5.5V
• Word Size: 8/16Bit
• Number Of Words: 512K/256K
• Supply Current: 70mA
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / Rohs Status: Not Compliant

4-MBIT SmartVoltage BOOT BLOCK FAMILY
4.14
NOTES:
See WE# Controlled Write Operations for notes 1 through 10.
11. Chip-Enable controlled writes: write operations are driven by the valid combination of CE# and WE# in systems where CE#
54
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AVAV
PHEL
WLEL
PHHEH
VPEH
AVEH
DVEH
ELEH
EHDX
EHAX
EHWH
EHEL
EHQV1
EHQV2
EHQV3
EHQV4
QVVL
QVPH
PHBR
defines the write pulse-width (within a longer WE# timing waveform), all set-up, hold and inactive WE# times should be
measured relative to the CE# waveform.
Sym
AC Characteristics—CE#-Controlled Write Operations
Temperature
Write Cycle Time
RP# High Recovery to CE#
Going Low
WE# Setup to CE# Going Low
Boot Block Lock Setup to CE#
Going High
V
Address Setup to CE# Going
High
Data Setup to CE# Going High
CE# Pulse Width
Data Hold Time from CE# High
Address Hold Time from CE#
High
WE# Hold Time from CE# High
CE# Pulse Width High
Word/Byte Program Time
Erase Duration (Boot)
Erase Duration (Param)
Erase Duration (Main)
V
RP# V
Boot-Block Lock Delay
PP
PP
Setup to CE# Going High
Hold from Valid SRD
HH
Hold from Valid SRD
Parameter
SEE NEW DESIGN RECOMMENDATIONS
Notes
Prod
Load
2,5,6
V
6,8
5,8
2,5
2,5
2,5
5,8
6,8
7,8
3
4
4
3
CC
2.7V–3.6V
Min
120
200
200
0.8
0.3
0.3
0.6
90
70
90
20
TBE-120
0
0
6
0
0
0
0
50 pF
Max
200
(9)
3.3 ±0.3V
Min
110
200
200
0.8
0.3
0.3
0.6
90
70
90
20
0
0
0
0
6
0
0
TBV-80
50 pF
Max
200
(1, 11)
(9)
5V±10%
0.45
Min
100
100
0.3
0.3
0.6
—Extended
80
60
60
60
20
TBE-120
0
0
0
0
6
0
0
TBV-80
100 pF
Max
100
(10)
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
s
s
s
s