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MT28F800B5 Datasheet

  • MT28F800B5

  • FLASH MEMORY

  • 1180.51KB

  • 30頁(yè)

  • MICRON

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8Mb
SMART 5 BOOT BLOCK FLASH MEMORY
FLASH MEMORY
FEATURES
鈥?Eleven erase blocks:
16KB/8K-word boot block (protected)
Two 8KB/4K-word parameter blocks
鈥?Eight main memory blocks
鈥?Smart 5 technology (B5):
5V 鹵10% V
CC
5V 鹵10% V
PP
application/
production programming
1
鈥?Advanced 0.18碌m CMOS floating-gate process
鈥?Compatible with 0.3碌m Smart 5 device
鈥?Address access time: 80ns
鈥?100,000 ERASE cycles
鈥?Industry-standard pinouts
鈥?Automated write and erase algorithm
鈥?Two-cycle WRITE/ERASE sequence
鈥?TSOP and SOP packaging options
鈥?Byte- or word-wide READ and WRITE
(MT28F800B5, 1 Meg x 8/512K x 16)
MT28F008B5
MT28F800B5
5V Only, Dual Supply (Smart 5)
0.18碌m Process Technology
40-Pin TSOP Type I
48-Pin TSOP Type I
44-Pin SOP
2
GENERAL DESCRIPTION
The MT28F008B5 (x8) and MT28F800B5 (x16/x8)
are nonvolatile, electrically block-erasable (Flash),
programmable read-only memories containing
8,388,608 bits organized as 524,288 words (16 bits) or
1,048,576 bytes (8 bits). Writing or erasing the device is
done with a 5V V
PP
voltage, while all operations are
performed with a 5V V
CC
. Due to process technology
advances, 5V V
PP
is optimal for application and pro-
duction programming. These devices are fabricated
with Micron鈥檚 advanced 0.18碌m CMOS floating-gate
process.
The MT28F008B5 and MT28F800B5 are organized
into eleven separately erasable blocks. To ensure that
critical firmware is protected from accidental erasure
or overwrite, the devices feature a hardware-protected
boot block. This block may be used to store code
implemented in low-level system recovery. The
remaining blocks vary in density and are written and
erased with no additional security measures.
Please refer to Micron鈥檚 Web site (www.micron.com/
flash)
for the latest data sheet.
OPTIONS
鈥?Timing
80ns
鈥?Configurations
1 Meg x 8
512K x 16/1 Meg x 8
鈥?Boot Block Starting Word Address
Top
Bottom
鈥?Operating Temperature Range
Commercial (0潞C to +70潞C)
Extended (-40潞C to +85潞C)
鈥?Packages
MT28F008B5
Plastic 40-pin TSOP Type I
(10mm x 29mm)
MT28F800B5
Plastic 48-pin TSOP Type I
(12mm x 20mm)
Plastic 44-pin SOP (600 mil)
Notes:
MARKING
-8
MT28F008B5
MT28F800B5
T
B
None
ET
VG
WG
SG
2
1.
This generation of devices does not support 12V V
PP
compatibility production programming; however, 5V
V
PP
application production programming can be used
with no loss of performance.
2.
Contact factory for availability.
Part Number Example:
MT28F800B5WG-8 BET
8Mb Smart 5 Boot Block Flash Memory
MT28F800B5_3.fm - Rev. 3, Pub. 8/2002
1
Micron Technology, Inc. Reserves the right to change products or specifications without notice.
漏2002, Micron Technology Inc.
PRODUCTS AND SPECIFICATIONS DISCUSSED HEREIN ARE SUBJECT TO CHANGE BY MICRON WITHOUT NOTICE
.

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