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HN27C4000G-10 参数 Datasheet PDF下载

HN27C4000G-10图片预览
型号: HN27C4000G-10
PDF下载: 下载PDF文件 查看货源
内容描述: 524288字? 8位/ 262144字×16位CMOS紫外线可擦除和可编程只读存储器 [524288-Word ?8-Bit/262144-Word X 16-Bit CMOS UV Erasable and Programmable ROM]
分类和应用: 存储可编程只读存储器
文件页数/大小: 20 页 / 125 K
品牌: HITACHI [ HITACHI SEMICONDUCTOR ]
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HN27C4000G Series  
Fast High-Reliability Programming  
This device can be applied the fast high-reliability  
programming algorithm shown in the following  
flowchart. This algorithm allows to obtain faster  
programming time without any voltage stress to the  
device nor deterioration in reliability of  
programmed data.  
START  
SET PROG./VERIFY MODE  
V
PP  
= 12.5 ± 0.3 V V = 6.25 ± 0.25 V  
CC  
Address = 0  
n = 0  
n + 1  
Program t  
n
µ
= 50 s ± 5%  
PW  
NOGO  
VERIFY  
GO  
Address + 1 Address  
NO  
n = 10?  
YES  
LAST  
NO  
address?  
YES  
SET READ MODE  
= 5.0 ± 0.5 V V = V  
CC  
V
CC  
PP  
NOGO  
READ  
all address  
GO  
END  
FAIL  
Fast High-Reliability Programming Flowchart  
13