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HT23C256(28DIP) PDF预览

HT23C256(28DIP)

更新时间: 2024-02-01 21:41:02
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK 有原始数据的样本ROMLTE光电二极管内存集成电路
页数 文件大小 规格书
12页 103K
描述
MASK ROM, 32KX8, 250ns, CMOS, PDIP28

HT23C256(28DIP) 技术参数

生命周期:Contact Manufacturer包装说明:DIP, DIP28(UNSPEC)
Reach Compliance Code:unknown风险等级:5.7
Is Samacsys:N最长访问时间:250 ns
JESD-30 代码:R-PDIP-T28内存密度:262144 bit
内存集成电路类型:MASK ROM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: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
封装等效代码:DIP28(UNSPEC)封装形状:RECTANGULAR
封装形式:IN-LINE电源:3/5 V
认证状态:Not Qualified最大待机电流:0.0015 A
子类别:MASK ROMs最大压摆率:0.025 mA
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子位置:DUALBase Number Matches:1

HT23C256(28DIP) 数据手册

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HT23C256  
CMOS 32K´8-Bit Mask ROM  
Features  
·
·
Operating voltage 2.7V~5.5V  
32768´8-bit of mask ROM  
·
·
Low power consumption  
Mask options: chip enable CE/CE/OE1/OE1 and output  
enable OE/OE/NC  
-
Operation: 25mA max. (VCC=5V)  
·
10mA max. (VCC=3V)  
TTL compatible inputs and outputs  
-
Standby: 30mA max. (VCC=5V)  
·
Tristate outputs  
10mA max. (VCC=3V)  
·
Fully static operation  
·
Access time: 150ns max. (VCC=5V)  
·
28-pin DIP/SOP package  
250ns max. (VCC=3V)  
General Description  
The HT23C256 is a read-only memory with high perfor-  
mance CMOS storage device whose 256K of memory is  
arranged into 32768 words by 8 bits.  
tion in multiple bus microprocessor systems. An addi-  
tional feature of the HT23C256 is its ability to enter the  
standby mode whenever the chip enable (CE/CE) is in-  
active, thus reducing current consumption to below  
30mA. The combination of these functions makes the  
chip suitable for high density low power memory appli-  
cations.  
For application flexibility, the chip enable and output en-  
able control pins can be selected as active high or active  
low. This flexibility not only allows easy interface with  
most microprocessors, but also eliminates bus conten-  
Block Diagram  
X
Y
-
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D
D
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0
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( 3 2 K 8 B i t s )  
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7
Rev. 1.10  
1
August 30, 2002  

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