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M27C256B-25B6TR中文资料意法半导体数据手册PDF规格书
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Summary description
The M27C256B is a 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is organized as 32,768 by 8 bits.
The FDIP28W (window ceramic frit-seal package) has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not required, the M27C256B is offered in PDIP28 and PLCC32 packages.
LButtonIn order to meet environmental requirements, ST offers the M27C256B in ECOPACK® packages.
ECOPACK packages are Lead-free. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97.
The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
Feature summary
■ 5V ± 10 supply voltage in Read operation
■ Access time: 45ns
■ Low power consumption:
– Active Current 30mA at 5MHz
– Standby Current 100µA
■ Programming voltage: 12.75V ± 0.25V
■ Programming time: 100µs/Word
■ Electronic signature
– Manufacturer Code: 20h
– Device Code: 8Dh
■ ECOPACK® packages available
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ST |
2016+ |
FDIP |
6528 |
只做原厂原装现货!终端客户个别型号可以免费送样品! |
询价 | ||
ST/意法 |
21+ |
CDIP |
5000 |
原装现货/假一赔十/支持第三方检验 |
询价 | ||
ST |
23+ |
FDIP |
3200 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
sgs |
23+ |
NA |
108 |
专做原装正品,假一罚百! |
询价 | ||
ST |
20+ |
CDIP28 |
35830 |
原装优势主营型号-可开原型号增税票 |
询价 | ||
ST |
23+ |
CDIP28 |
12300 |
全新原装真实库存含13点增值税票! |
询价 | ||
ST |
22+23+ |
CDIP |
38861 |
绝对原装正品全新进口深圳现货 |
询价 | ||
ST/意法 |
23+ |
NA/ |
3290 |
原装现货,当天可交货,原型号开票 |
询价 | ||
ST/意法 |
2022 |
DIP |
80000 |
原装现货,OEM渠道,欢迎咨询 |
询价 | ||
ST/意法 |
23+ |
CWDIP28 |
13000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 |