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M27C256B-90B1L PDF预览

M27C256B-90B1L

更新时间: 2024-02-29 07:35:58
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
16页 149K
描述
IC,EPROM,32KX8,CMOS,DIP,28PIN,PLASTIC

M27C256B-90B1L 技术参数

是否Rohs认证:不符合生命周期:Obsolete
Reach Compliance Code:not_compliant风险等级:5.92
Is Samacsys:N最长访问时间:90 ns
I/O 类型:COMMONJESD-30 代码:R-PDIP-T28
JESD-609代码:e0内存密度:262144 bit
内存宽度:8端子数量:28
字数:32768 words字数代码:32000
最高工作温度:70 °C最低工作温度:
组织:32KX8输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP28,.6封装形状:RECTANGULAR
封装形式:IN-LINE电源:5 V
编程电压:12.75 V认证状态:Not Qualified
最大待机电流:0.0001 A子类别:OTP ROMs
最大压摆率:0.03 mA标称供电电压 (Vsup):5 V
表面贴装:NO技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUALBase Number Matches:1

M27C256B-90B1L 数据手册

 浏览型号M27C256B-90B1L的Datasheet PDF文件第2页浏览型号M27C256B-90B1L的Datasheet PDF文件第3页浏览型号M27C256B-90B1L的Datasheet PDF文件第4页浏览型号M27C256B-90B1L的Datasheet PDF文件第5页浏览型号M27C256B-90B1L的Datasheet PDF文件第6页浏览型号M27C256B-90B1L的Datasheet PDF文件第7页 
M27C256B  
256 Kbit (32Kb x 8) UV EPROM and OTP EPROM  
5V ± 10% SUPPLY VOLTAGE in READ  
OPERATION  
ACCESS TIME: 45ns  
LOW POWER CONSUMPTION:  
– Active Current 30mA at 5MHz  
– Standby Current 100µA  
28  
28  
1
1
PROGRAMMING VOLTAGE: 12.75V ± 0.25V  
PROGRAMMING TIME: 100µs/word  
ELECTRONIC SIGNATURE  
– Manufacturer Code: 20h  
FDIP28W (F)  
PDIP28 (B)  
– Device Code: 8Dh  
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 mi-  
croprocessor systems and is organized as 32,768  
by 8 bits.  
PLCC32 (C)  
TSOP28 (N)  
8 x 13.4 mm  
Figure 1. Logic Diagram  
The FDIP28W (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 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, PLCC32 and  
TSOP28 (8 x 13.4 mm) packages.  
V
V
PP  
CC  
15  
8
A0-A14  
Q0-Q7  
E
M27C256B  
G
V
SS  
AI00755B  
August 2002  
1/16  

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