TB28F400BVT80 Intel, TB28F400BVT80 Datasheet - Page 4

• 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
Number
-001
-002
-003
-004
-005
-006
Initial release of datasheet.
Status changed from Product Preview to Preliminary
28F400CV/CE/BE references and information added throughout.
The following sections have been changed or rewritten: 1.1, 3.0, 3.2.1, 3.2.2, 3.3.1,
Note 2 added to Figure 3 to clarify 28F008B pinout vs. 28F008SA.
Sentence about program and erase WSM timeout deleted from Section 3.3.3, 3.3.4.
Erroneous arrows leading out of error states deleted from flowcharts in Figs. 9, 10.
Sections 5.1, 6.1 changed to “Applying V
I
Capacitance tables added after commercial and extended DC Characteristics tables.
Test and slew rate notes added to Figs. 12, 13, 19, 20, 21.
Test configuration drawings (Fig. 14, 22) consolidated into one, with component
t
t
t
t
28F400BE row removed from Table 1
Applying V
Minor cosmetic changes/edits.
Corrections: Spec typographical error “t
Intel386™ EX Microprocessor block diagram updated because latest Intel386 CPU
specs require less glue logic.
Spec t
New specs t
Specs t
Correction: Appendix A, Ordering information fixed order numbers from TE27F400BVT80
to TE28F400BVT80 and TE27F400BVB80 to TE28F400BVB80.
Updated disclaimer.
Added New Design Recommendations section to cover page.
Updated Erase Suspend/Resume Flowchart .
PPD
ELFL
WHAX
PHWL
PHEL
2.7 V CE/BE specs added throughout.
3.3.1.1, 3.3.2, 3.3.2.1, 3.3.3, 3.3.4, 3.6.2.
changed to clarify V
values in table. (Component values also rounded off).
TBV-80 extended, 10 to 5 ns for 3.3 V BV-80 and BV-120 commercial.
3.3 V Commercial spec changed from 10 to 5 A.
, t
changed from 1000 ns to 800 ns for 3.3 V BV-60, BV-80, and BV-120 commercial.
changed from 1000 ns to 800 ns for 3.3 V BV-80, BV-120 commercial.
and t
ELFL
ELFH
EHQZ
CC
, t
and t
EHAX
PLPH
AVFL
and t
voltages (Sections 5.1 and 6.1) rewritten for clarity.
ELFH
changed from 10 to 0 ns.
and t
changed from 7 to 5 ns for 3.3 V BV-60 commercial and 3.3 V
GHQZ
changed from 5 ns (max) to 0 ns (min).
PLQX
SEE NEW DESIGN RECOMMENDATIONS
CC
REVISION HISTORY
improved on most voltage/speed combinations.
ramp requirements.
added from Specification Update document (297595).
Description
QWL
CC
” corrected to read “t
Voltages.” These sections completely
QVVL
.”