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參數(shù)資料
| 型號： | M27W256-100K6TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | PROM |
| 英文描述： | 32K X 8 OTPROM, 100 ns, PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁數(shù)： | 19/23頁 |
| 文件大小： | 236K |
| 代理商： | M27W256-100K6TR |
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Product(s)
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Product(s)
M27W256
Summary description
1
Summary description
The M27W256 is a low voltage 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 M27W256 operates in the read mode with a supply voltage as low as 3V. The decrease
in operating power allows either a reduction of the size of the battery or an increase in the
time between battery recharges.
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 M27W256 is offered in PDIP28, PLCC32 and TSOP28 (8 x 13.4 mm)
packages.
In order to meet environmental requirements, ST offers the M27W256 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.
See Figure 1: Logic Diagram and Table 1: Signal descriptions for a brief overview of the
signals connected to this device.
Figure 1.
Logic Diagram
AI03629
15
A0-A14
Q0-Q7
VPP
VCC
M27W256
G
E
VSS
8
相關(guān)PDF資料 |
PDF描述 |
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| M28804/11 | MALE, MULTIWAY RACK AND PANEL CONN, SOLDER, PLUG |
| M28804/1 | FEMALE, MULTIWAY RACK AND PANEL CONN, CRIMP, RECEPTACLE |
| M28804/2 | MALE, MULTIWAY RACK AND PANEL CONN, CRIMP, PLUG |
| M28804/3 | FEMALE, MULTIWAY RACK AND PANEL CONN, CRIMP, RECEPTACLE |
| M28804/4 | MALE, MULTIWAY RACK AND PANEL CONN, CRIMP, PLUG |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M27W256-100N6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W256-120B6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W256-120F6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W256-120K6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W256-120N6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
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