M27V322 32Mb(2MB×16)低压紫外可擦写可编程只读存储器和OTP存储器
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The M27V322 is a 32 Mbit EPROM offered in the UV range (ultra violet erase) and OTP range. It is ideally suited for microprocessor systems requiring large data or program storage. It is organised as 2 MWords of 16 bit. The pin-out is compatible with a 32 Mbit Mask ROM.
The FDIP42W (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 rapidly to the device by following the programming procedure.For applications where the content is programmed only one time and erasure is not required, the M27V322 is offered in PDIP42 and SDIP42 packages.In order to meet environmental requirements, ST offers the M27V322 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..
M27V322 特性:
- 3.3V ± 10% supply voltage in Read operation
- Read access time
– 100ns at VCC = 3.0V to 3.6V - Pin compatible with M27C322
- Word-wide configurable
- 32 Mbit Mask ROM replacement
- Low power consumption
– Active Current 30mA at 5MHz
– Stand-by Current 60μA - Programming voltage: 12V ± 0.25V
- Programming time: 50μs/word
- Electronic signature
– Manufacturer Code: 0020h
– Device Code: 0034h - ECOPACK? packages available
M27V322 技术支持与电子电路设计开发资源下载
- M27V322 数据手册DataSeet下载.PDF
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