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AM27C256-255PI PDF预览

AM27C256-255PI

更新时间: 2024-10-01 20:13:31
品牌 Logo 应用领域
飞索 - SPANSION OTP只读存储器光电二极管内存集成电路
页数 文件大小 规格书
12页 564K
描述
OTP ROM, 32KX8, 250ns, CMOS, PDIP28, DIP-28

AM27C256-255PI 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.71风险等级:5.23
最长访问时间:250 nsJESD-30 代码:R-PDIP-T28
长度:37.084 mm内存密度:262144 bit
内存集成电路类型:OTP ROM内存宽度:8
功能数量:1端子数量:28
字数:32768 words字数代码:32000
工作模式:ASYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:32KX8
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
并行/串行:PARALLEL认证状态:Not Qualified
座面最大高度:5.715 mm最大供电电压 (Vsup):5.25 V
最小供电电压 (Vsup):4.75 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
宽度:15.24 mmBase Number Matches:1

AM27C256-255PI 数据手册

 浏览型号AM27C256-255PI的Datasheet PDF文件第2页浏览型号AM27C256-255PI的Datasheet PDF文件第3页浏览型号AM27C256-255PI的Datasheet PDF文件第4页浏览型号AM27C256-255PI的Datasheet PDF文件第5页浏览型号AM27C256-255PI的Datasheet PDF文件第6页浏览型号AM27C256-255PI的Datasheet PDF文件第7页 
FINAL  
Am27C256  
256 Kilobit (32 K x 8-Bit) CMOS EPROM  
DISTINCTIVE CHARACTERISTICS  
Fast access time  
Latch-up protected to 100 mA from –1 V to  
VCC + 1 V  
— Speed options as fast as 45 ns  
Low power consumption  
High noise immunity  
Versatile features for simple interfacing  
— Both CMOS and TTL input/output compatibility  
Two line control functions  
— 20 µA typical CMOS standby current  
JEDEC-approved pinout  
Single +5 V power supply  
Standard 28-pin DIP, PDIP, and 32-pin PLCC  
±10% power supply tolerance standard  
100% Flashrite™ programming  
Typical programming time of 4 seconds  
packages  
Am27C1  
GENERAL DESCRIPTION  
024  
The Am27C256 is a 256-Kbit, ultraviolet eras
grammable read-only memory. It is organized
words by 8 bits per word, operates from a sin
supply, has a static standby mode, and feat
single address location programming. Products are  
available in windowed ceramic DIP packages, as well  
as plastic one time programmable (OTP) PDIP and  
PLCC packages.  
inating bus contention in a multiple bus micro-  
or system.  
CMOS process technology provides high  
speed, low power, and high noise immunity. Typical  
power consumption is only 80 mW in active mode, and  
100 µW in standby mode.  
All signals are TTL levels, including programming sig-  
nals. Bit locations may be programmed singly, in  
blocks, or at random. The device supports AMD’s  
Flashrite programming algorithm (100 µs pulses), re-  
sulting in a typical programming time of 4 seconds.  
Data can be typically accessed in less than 55 ns, al-  
lowing high-performance microprocessors to operate  
without any WAIT states. The device offers separate  
Output Enable (OE#) and Chip Enable (CE#) controls,  
BLOCK DIAGRAM  
V
Data Outputs  
DQ0–DQ7  
CC  
V
V
SS  
PP  
Output Enable  
Chip Enable  
and  
OE#  
CE#  
Output  
Buffers  
Prog Logic  
Y
Y
Gating  
Decoder  
A0–A14  
Address  
Inputs  
262,144  
Bit Cell  
Matrix  
X
Decoder  
08007J-1  
Publication# 08007 Rev: J Amendment/0  
Issue Date: July 14, 1999  

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