參數(shù)資料
型號(hào)： 28F004B3
廠商： Intel Corp.
英文描述： 3 Volt Advanced Boot Block Flash Memory(3 V,4M位高級(jí)引導(dǎo)塊閃速存儲(chǔ)器)
中文描述： 3伏高級(jí)啟動(dòng)塊閃存（3伏，4分位高級(jí)引導(dǎo)塊閃速存儲(chǔ)器）
文件頁(yè)數(shù)： 8/53頁(yè)
文件大?。?/td> 300K
代理商： 28F004B3
28F004/400B3, 28F008/800B3, 28F016/160B3, 28F320B3
E
8
PRELIMINARY
1.2
Product Overview
Intel provides the most flexible voltage solution in
the flash industry, providing three discrete voltage
supply pins: V
CC
for read operation, V
CCQ
for output
swing, and V
PP
for program and erase operation. All
3 Volt Advanced Boot Block flash memory products
provide program/erase capability at 2.7 V or 12 V
[for fast production programming] and read with V
CC
at 2.7 V. Since many designs read from the flash
memory a large percentage of the time, 2.7 V V
CC
operation can provide substantial power savings.
The 3 Volt Advanced Boot Block flash memory
products are available in either x8 or x16 packages
in the following densities: (see Ordering Information
for availability.)
4-Mbit (4,194,304-bit) flash memory organized
as 256 Kwords of 16 bits each or 512 Kbytes of
8-bits each
8-Mbit (8,388,608-bit) flash memory organized
as 512 Kwords of 16 bits each or 1024 Kbytes
of 8-bits each
16-Mbit
(16,777,216-bit)
organized as 1024 Kwords of 16 bits each or
2048 Kbytes of 8-bits each
32-Mbit
(33,554,432-bit)
organized as 2048 Kwords of 16 bits
flash
memory
flash
memory
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
microcontroller and the internal operation of the
flash memory. The internal Write State Machine
(WSM) automatically executes the algorithms and
timings
necessary
for
operations, including verification, thereby un-
burdening the microprocessor or microcontroller.
The status register indicates the status of the WSM
by signifying block erase or word program
completion and status.
microprocessor
or
program
and
erase
The 3 Volt 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 following the completion of a read
cycle (approximately 300 ns later).
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).
Section 3.0 gives detailed explanation of the
different modes of operation. Complete current and
voltage specifications can be found in the DC
Characteristics section. Refer to AC Characteristics
for
read,
program
and
specifications.
erase
performance
2.0
PRODUCT DESCRIPTION
This section explains device pin description and
package pinouts.
2.1
Package Pinouts
The 3 Volt Advanced Boot Block flash memory is
available in 40-lead TSOP (x8, Figure 1), 48-lead
TSOP (x16, Figure 2) and 48-ball
μ
BGA packages
(x8 and x16, Figure 3 and Figure 4 respectively). In
all figures, pin changes necessary for density
upgrades have been circled.
相關(guān)PDF資料
PDF描述
28F004S3 BYTE-WIDE SMART 3 FlashFile MEMORY FAMILY 4, 8, AND 16 MBIT
28F004S5 BYTE-WIDE SMART 5 FlashFile MEMORY FAMILY 4, 8, AND 16 MBIT
28F004SC BYTE-WIDE SmartVoltage FlashFile MEMORY FAMILY 4, 8, AND 16 MBIT
28F008B3 SMART 3 ADVANCED BOOT BLOCK BYTE-WIDE
28F008C3 3 VOLT ADVANCED+ BOOT BLOCK 8-, 16-, 32-MBIT FLASH MEMORY FAMILY
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
28F004B5 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SMART 5 BOOT BLOCK. FLASH MEMORY FAMILY 2. 4. 8 MBIT
28F004BE-T/B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-MBIT (256K X 16. 512K X 8) SmartVoltage BOOT BLOCK FLASH MEMORY FAMILY
28F004BL-B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-MBlT (256K x 16. 512K x 8) LOW-POWER BOOT BLOCK FLASH MEMORY FAMILY
28F004BL-T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-MBlT (256K x 16. 512K x 8) LOW-POWER BOOT BLOCK FLASH MEMORY FAMILY
28F004BV 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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