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Micron Technology

MT28F320A18 Datasheet Preview

MT28F320A18 Datasheet

FLASH MEMORY

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2 MEG x 16
1.8V ENHANCED+ BOOT BLOCK FLASH MEMORY
FLASH MEMORY
MT28F320A18
Low Voltage, Extended Temperature
0.15µm Process Technology
FEATURES
32Mb block architecture
• Seventy-one erasable blocks:
Ball Assignment
47-Ball FBGA
• Eight 4K-word parameter blocks
• Sixty-three 32K-word main memory blocks
VCC, VCCQ, VPP voltages*
• 1.65V (MIN), 1.95V (MAX) VCC, VCCQ
12345678
• 0.9V (MIN), 1.95V (MAX) VPP (in-system
• PROGRAM/ERASE)
A A13 A11
A8
VPP WP# A19
A7
A4
• 12V ±5% (HV) VPP tolerant (factory programming
compatibility)
B A14 A10 WE# RP# A18 A17
A5
A2
Random access time: 70ns @ 1.65V VCC
Low power consumption (VCC = 1.8V)
C A15 A12
A9
A20 A6 A3 A1
• Asynchronous Read < 18mA
• Write/Erase < 40mA (MAX)
D A16 DQ14 DQ5 DQ11 DQ2 DQ8 CE#
A0
• Standby < 50µA (MAX)
• Automatic power saving feature (APS)
E VCCQ DQ15 DQ6 DQ12 DQ3 DQ9 DQ0
VSS
Enhanced write and erase suspend options
• ERASE-SUSPEND-to-READ
DataSheet4U.comF VSS DQ7 DQ13 DQ4 VCC DQ10 DQ1 OE#
• PROGRAM-SUSPEND-to-READ
• ERASE-SUSPEND-to-PROGRAM
Dual 64-bit chip protection registers for security pur-
poses
Cross-compatible command support
Top View
(Ball Down)
Extended command set
Common flash interface
PROGRAM/ERASE cycle
Note: See page 6 for Ball Description table.
See page 36 for mechanical drawing.
• 100,000 WRITE/ERASE cycles per block
• (VPP = VPP1)
OPTIONS
MARKING
*An extended voltage range of 1.65V–2.20V for Vcc and VccQ,
and 0.9V–2.20V for Vpp is available upon request. A voltage
range of 1.42V–1.60V for VccQ is also available upon request.
• Timing
70ns access
• Configurations
2 Meg x 16
-70
MT28F320A18
• Boot Block Configuration
Top T
Bottom
B
• Package
47-ball FBGA (6 x 8 ball grid)
FF
• Temperature Range
Extended (-40ºC to +85ºC)
ET
DataShee
Part Number Example:
MT28F320A18FF-70 TET
DataSheet4U.com
2 Meg x 16, 1.8V Enhanced+ Boot Block Flash Memory
MT28F320A18_F.fm – Rev F 08/03 EN
1
©2003 Micron Technology Inc.
PRODUCTS AND SPECIFICATIONS DISCUSSED HEREIN ARE FOR EVALUATION AND REFERENCE PURPOSES ONLY AND ARE SUBJECT TO CHANGE BY
MICRON WITHOUT NOTICE. PRODUCTS ARE ONLY WARRANTED BY MICRON TO MEET MICRON’S PRODUCTION DATA SHEET SPECIFICATIONS.
DataSheet4 U .com




Micron Technology

MT28F320A18 Datasheet Preview

MT28F320A18 Datasheet

FLASH MEMORY

No Preview Available !

www.DataSheet4U.com
2 MEG x 16
1.8V ENHANCED+ BOOT BLOCK FLASH MEMORY
GENERAL DESCRIPTION
The MT28F320A18 is a nonvolatile electrically
block-erasable (Flash) memory containing eight 4K-
word parameter blocks and sixty-three 32K-word main
blocks.
The MT28F320A18 allows soft protection for blocks,
as read only, by configuring soft protection registers
with dedicated command sequences. For security pur-
poses, a 128-bit chip protection register is provided.
The embedded WORD WRITE and BLOCK ERASE
functions are fully automated by an on-chip write state
machine (WSM). An on-chip status register can be
used to monitor the WSM status and to determine the
progress of the PROGRAM/ERASE task.
The ERASE/PROGRAM SUSPEND functionality
allows compatibility with existing EEPROM emulation
software packages.
The device is manufactured using 0.15µm process
technology.
Please refer to Micron’s Web site (www.micron.com/
flash) for the latest data sheet.
ARCHITECTURE AND MEMORY
ORGANIZATION
The MT28F320A18 contains eight 4K-word parame-
ter blocks and sixty-three 32K-word main blocks.
Figure 2 and Figure 3 show the bottom and top
memory organizations for the 32Mb device.
DEVICE MARKING
Due to the size of the package, Micron’s standard
part number is not printed on the top of each device.
Instead, an abbreviated device mark comprised of a
five-digit alphanumeric code is used. The abbreviated
device marks are cross referenced to Micron part num-
bers in Table 1.
et4U.com
Table 1: Cross Reference for Abbreviated Device Marks
PART NUMBER
MT28F320A18FF-70 BET
MT28F320A18FF-70 TET
DataShePeRt4OUD.UcoCmT
MARKING
FW722
FW723
SAMPLE
MARKING
FX722
FX723
MECHANICAL
SAMPLE
MARKING
FY722
FY723
DataShee
DataSheet4U.com
2 Meg x 16, 1.8V Enhanced+ Boot Block Flash Memory
MT28F320A18_F.fm – Rev F 08/03 EN
DataSheet4 U .com
2
©2003 Micron Technology Inc.


Part Number MT28F320A18
Description FLASH MEMORY
Maker Micron Technology
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