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參數(shù)資料
| 型號(hào)： | SA25F020LENF |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類(lèi)： | DRAM |
| 英文描述： | 4 Mbit Uniform Sector, Serial Flash Memory |
| 中文描述： | 4兆位統(tǒng)一部門(mén)，串行閃存 |
| 文件頁(yè)數(shù)： | 2/37頁(yè) |
| 文件大?。?/td> | 560K |
| 代理商： | SA25F020LENF |
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SA25F020 Advanced Information
SAIFUN
2
General Description
The SA25F020 is a 2Mb (512K X 4) CMOS
non-volatile serial Flash Memory. This
device fully conforms to the SPI 4-wire
protocol, is enabled through the Chip Select
(CSb) pin, and uses Clock (SCK), Data-in
(SI)
and
Data-out
synchronously
control
between the SPI microcontroller and the
Serial FLASH memory.
(SO)
data
pins
transfer
to
The memory can be programmed from 1 up
to 256 bytes at a time via the Page
Program (PP) instruction.
The memory is organized into four sectors.
Each sector contains 256 pages, with each
page being 256 bytes wide. The entire
memory can therefore be viewed as
consisting of 1024 pages, or 262,144 bytes.
The memory can be erased in one of the
following ways:
=
256 bytes at a time, using the Page
Erase (PE) instruction
=
512 Kb at a time, using the Sector
Erase (SE) instruction
=
2 Mb at a time, using the Bulk
Erase (BE) instruction
Each device requires only a 3.0V power
supply (2.7 V to 3.6 V) for both read and
write functions. Internally generated and
regulated voltages are provided for the
program
and
erase
SA25F020 does not require a V
PP
supply.
operations.
The
The HOLDb pin may be used to suspend
any serial communication without resetting
the serial sequence. In addition, the serial
interface
allows
a
packaging designed to simplify PC board
layout requirements and offers the designer
a variety of low-voltage and low-power
options.
minimal-pin-count
The
space-saving, 8-lead narrow SOIC package
SA25F020
is
available
in
a
The SA25F020 is part of the SPI Flash and
EEPROM family. It is designed to work with
any
SPI-compatible,
microcontroller, and offers both hardware
(WPb pin) and Software (“block protect”)
data protection. For example, programming
a 2-bit code into the status register prevents
program with top , top or entire array
write protection and enables block write
protection. Separate program enable and
program disable instructions are provided
for additional data protection. Hardware
data protection is provided via the WPb pin
to protect against inadvertent write attempts
to the status register.
high-speed
Saifun’s SPI Serial Flash products are
designed and tested for applications
requiring high endurance and low power
consumption for a continuously reliable
non-volatile solution for all markets.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SA25F020 | 4 Mbit Uniform Sector, Serial Flash Memory |
| SA25F020E | 4 Mbit Uniform Sector, Serial Flash Memory |
| SA25F020LEM8 | RES 69.8 OHM 1/10W .5% 0805 SMD |
| SA25F020LEM8F | 4 Mbit Uniform Sector, Serial Flash Memory |
| SA25F020LEMLF | 4 Mbit Uniform Sector, Serial Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SA25F020LENFX | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:2Mb Serial Flash with 25MHz SPI Bus Interface |
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| SA26(C)A | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:DEVICES FOR BIPOLAR APPLICATIONS |
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