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GT28F400B3-T150 Schematic ( PDF Datasheet ) - Intel Corporation

Teilenummer GT28F400B3-T150
Beschreibung SMART 3 ADVANCED BOOT BLOCK WORD-WIDE
Hersteller Intel Corporation
Logo Intel Corporation Logo 




Gesamt 49 Seiten
GT28F400B3-T150 Datasheet, Funktion
E
PRELIMINARY
SMART 3 ADVANCED BOOT BLOCK
WORD-WIDE
4-MBIT (256K X 16), 8-MBIT (512K X 16),
16-MBIT (1024K X 16)
FLASH MEMORY FAMILY
28F400B3, 28F800B3, 28F160B3
n Flexible SmartVoltage Technology
2.7V–3.6V Program/Erase
2.7V–3.6V Read Operation
12V VPP Fast Production
Programming
n 2.7V or 1.8V I/O Option
Reduces Overall System Power
n Optimized Block Sizes
Eight 4-KW Blocks for Data,
Top or Bottom Locations
Up to Thirty-One 32-KW Blocks for
Code
n High Performance
2.7V–3.6V: 120 ns Max Access Time
n Block Locking
VCC-Level Control through WP#
n Low Power Consumption
20 mA Maximum Read Current
n Absolute Hardware-Protection
VPP = GND Option
VCC Lockout Voltage
n Extended Temperature Operation
–40°C to +85°C
n Supports Code Plus Data Storage
Optimized for FDI, Flash Data
Integrator Software
Fast Program Suspend Capability
Fast Erase Suspend Capability
n Extended Cycling Capability
10,000 Block Erase Cycles
n Automated Word Program and Block
Erase
Command User Interface
Status Registers
n SRAM-Compatible Write Interface
n Automatic Power Savings Feature
n Reset/Deep Power-Down
1 µA ICCTypical
Spurious Write Lockout
n Standard Surface Mount Packaging
48-Ball µBGA* Package
48-Lead TSOP Package
n Footprint Upgradeable
Upgradeable from 2-, 4- and 8-Mbit
Boot Block
n ETOX™ V (0.4 µ) Flash Technology
The new Smart 3 Advanced Boot Block, manufactured on Intel’s latest 0.4µ technology, represents a feature-
rich solution at overall lower system cost. Smart 3 flash memory devices incorporate low voltage capability
(2.7V read, program and erase) with high-speed, low-power operation. Several new features have been
added, including the ability to drive the I/O at 1.8V, which significantly reduces system active power and
interfaces to 1.8V controllers. A new blocking scheme enables code and data storage within a single device.
Add to this the Intel-developed Flash Data Integrator (FDI) software and you have the most cost-effective,
monolithic code plus data storage solution on the market today. Smart 3 Advanced Boot Block Word-Wide
products will be available in 48-lead TSOP and 48-ball µBGA* packages. Additional information on this
product family can be obtained by accessing Intel’s WWW page: http://www.intel.com/design/flcomp.
May 1997
Order Number: 290580-002






GT28F400B3-T150 Datasheet, Funktion
SMART 3 ADVANCED BOOT BLOCK–WORD-WIDE
E
1.2 Product Overview
Intel provides the most flexible voltage solution in
the flash industry, providing three discrete voltage
supply pins: VCC for read operation, VCCQ for output
swing, and VPP for program and erase operation.
Discrete supply pins allow system designers to use
the optimal voltage levels for their design. All Smart
3 Advanced Boot Block flash memory products
provide program/erase capability at 2.7V or 12V
and read with VCC at 2.7V. Since many designs
read from the flash memory a large percentage of
the time, 2.7V VCC operation can provide
substantial power savings. The 12V VPP option
maximizes program and erase performance during
production programming.
The Smart 3 Advanced Boot Block flash memory
products are high-performance devices with low
power operation. The available densities for word-
wide devices (x16) are
a. 4-Mbit (4,194,304-bit) flash memory
organized as 256-Kwords of 16 bits each
b. 8-Mbit (8,388,608-bit) flash memory
organized as 512-Kwords of 16 bits each
c. 16-Mbit (16,777,216-bit) flash memory
organized as 1024-Kwords of 16 bits each.
For byte-wide devices (x8) see the Smart 3
Advanced Boot Block Byte-Wide Flash Memory
Family datasheet.
The parameter blocks are located at either the top
(denoted by -T suffix) or the bottom (-B suffix) of the
address map in order to accommodate different
microprocessor protocols for kernel code location.
The upper two (or lower two) parameter blocks can
be locked to provide complete code security for
system initialization code. Locking and unlocking is
controlled by WP# (see Section 3.3 for details).
The Command User Interface (CUI) serves as the
interface between the microprocessor or
microcontroller and the internal operation of the
flash memory. The internal Write State Machine
(WSM) automatically executes the algorithms and
timings necessary for program and erase
operations, including verification, thereby
unburdening the microprocessor or microcontroller.
The status register indicates the status of the WSM
by signifying block erase or word program
completion and status.
Program and erase automation allows program and
erase operations to be executed using an industry-
standard two-write command sequence to the CUI.
Data writes are performed in word increments.
Each word in the flash memory can be programmed
independently of other memory locations; every
erase operation erases all locations within a block
simultaneously. Program suspend allows system
software to suspend the program command in order
to read from any other block. Erase suspend allows
system software to suspend the block erase
command in order to read from or program data to
any other block.
The Smart 3 Advanced Boot Block flash memory is
also designed with an Automatic Power Savings
(APS) feature which minimizes system current
drain, allowing for very low power designs. This
mode is entered immediately following the
completion of a read cycle.
When the CE# and RP# pins are at VCC, the ICC
CMOS standby mode is enabled. A deep power-
down mode is enabled when the RP# pin is at
GND, minimizing power consumption and providing
write protection. ICC current in deep power-down is
1 µA typical (2.7V VCC). A minimum reset time of
tPHQV is required from RP# switching high until
outputs are valid to read attempts. With RP# at
GND, the WSM is reset and Status Register is
cleared. Section 3.5 contains additional information
on using the deep power-down feature, along with
other power consumption issues.
The RP# pin provides additional protection against
unwanted command writes that may occur during
system reset and power-up/down sequences due to
invalid system bus conditions (see Section 3.6).
Refer to the DC Characteristics Table, Sections 5.1
and 6.1, for complete current and voltage
specifications. Refer to the AC Characteristics
Table, Section 7.0, for read, program and erase
performance specifications.
2.0 PRODUCT DESCRIPTION
This section explains device pin description and
package pinouts.
6 PRELIMINARY

6 Page









GT28F400B3-T150 pdf, datenblatt
SMART 3 ADVANCED BOOT BLOCK–WORD-WIDE
E
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16-Mbit Advanced Boot
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4-Kword Block
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0FFFF
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07FFF
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8-Mbit Advanced Boot
Block
4-Kword Block
4-Kword Block
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4-Kword Block
4-Kword Block
4-Kword Block
4-Kword Block
4-Kword Block
32-Kword Block
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4-Mbit Advanced Boot
Block
4-Kword Block
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0580_05
Figure 5. 4-/8-/16-Mbit Advanced Boot Block Word-Wide Top Boot Memory Maps
12 PRELIMINARY

12 Page





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