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M27V322 PDF预览

M27V322

更新时间: 2024-10-27 22:55:55
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 可编程只读存储器电动程控只读存储器
页数 文件大小 规格书
13页 114K
描述
32 Mbit 2Mb x16 Low Voltage UV EPROM and OTP EPROM

M27V322 数据手册

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M27V322  
32 Mbit (2Mb x16) Low Voltage UV EPROM and OTP EPROM  
3.3V ± 10% SUPPLY VOLTAGE in READ  
OPERATION  
READ ACCESS TIME  
– 100ns at V = 3.0V to 3.6V  
CC  
PIN COMPATIBLE WITH M27C322  
WORD-WIDE CONFIGURABLE  
32 Mbit MASK ROM REPLACEMENT  
LOW POWER CONSUMPTION  
– Active Current 30mA at 5MHz  
– Stand-by Current 60µA  
42  
42  
1
1
FDIP42W (F)  
PDIP42 (P)  
PROGRAMMING VOLTAGE: 12V ± 0.25V  
PROGRAMMING TIME: 50µs/word  
ELECTRONIC SIGNATURE  
– Manufacturer Code: 0020h  
Figure 1. Logic Diagram  
– Device Code: 0034h  
DESCRIPTION  
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 requir-  
ing 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.  
V
CC  
21  
16  
The FDIP42W (window ceramic frit-seal package)  
has a transparent lid which allows the user to ex-  
pose the chip to ultraviolet light to erase the bit pat-  
tern. A new pattern can then be written rapidly to  
the device by following the programming proce-  
dure.  
For applications where the content is programmed  
only one time and erasure is not required, the  
M27V322 is offered in PDIP42 package.  
A0-A20  
Q0-Q15  
E
M27V322  
GV  
PP  
V
SS  
AI03050  
March 2000  
1/13  

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