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SN74LS670D PDF预览

SN74LS670D

更新时间: 2024-09-14 23:06:23
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 存储内存集成电路静态存储器光电二极管输出元件
页数 文件大小 规格书
6页 205K
描述
4 x 4 REGISTER FILE WITH 3-STATE OUTPUTS

SN74LS670D 技术参数

生命周期:Transferred零件包装代码:SOIC
包装说明:SOP, SOP16,.25针数:16
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.41风险等级:5.51
最长访问时间:45 nsJESD-30 代码:R-PDSO-G16
JESD-609代码:e0长度:9.9 mm
内存密度:16 bit内存集成电路类型:STANDARD SRAM
内存宽度:4功能数量:1
端口数量:1端子数量:16
字数:4 words字数代码:4
工作模式:ASYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:4X4
输出特性:3-STATE可输出:NO
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE并行/串行:PARALLEL
电源:5 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Other Memory ICs
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:YES
技术:TTL温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:3.9 mmBase Number Matches:1

SN74LS670D 数据手册

 浏览型号SN74LS670D的Datasheet PDF文件第2页浏览型号SN74LS670D的Datasheet PDF文件第3页浏览型号SN74LS670D的Datasheet PDF文件第4页浏览型号SN74LS670D的Datasheet PDF文件第5页浏览型号SN74LS670D的Datasheet PDF文件第6页 
SN54/74LS670  
4 x 4 REGISTER FILE  
WITH 3-STATE OUTPUTS  
The TTL/MSI SN54/74LS670 is a high-speed, low-power 4 x 4 Register  
File organized as four words by four bits. Separate read and write inputs, both  
address and enable, allow simultaneous read and write operation.  
The 3-state outputs make it possible to connect up to 128 outputs to in-  
crease the word capacity up to 512 words. Any number of these devices can  
be operated in parallel to generate an n-bit length.  
4 x 4 REGISTER FILE  
WITH 3-STATE OUTPUTS  
LOW POWER SCHOTTKY  
The SN54/74LS170 provides a similar function to this device but it features  
open-collector outputs.  
Simultaneous Read/Write Operation  
Expandable to 512 Words by n-Bits  
Typical Access Time to 20 ns  
3-State Outputs for Expansion  
Typical Power Dissipation of 125 mW  
J SUFFIX  
CERAMIC  
CASE 620-09  
16  
1
CONNECTION DIAGRAM DIP (TOP VIEW)  
N SUFFIX  
PLASTIC  
CASE 648-08  
16  
1
NOTE:  
The Flatpak version  
has the same pinouts  
(Connection Diagram) as  
the Dual In-Line Package.  
D SUFFIX  
SOIC  
CASE 751B-03  
16  
1
ORDERING INFORMATION  
PIN NAMES  
LOADING (Note a)  
SN54LSXXXJ  
Ceramic  
SN74LSXXXN Plastic  
SN74LSXXXD SOIC  
HIGH  
LOW  
D
– D  
Data Inputs  
0.5 U.L.  
0.5 U.L.  
1.0 U.L.  
0.5 U.L.  
1.5 U.L.  
0.25 U.L.  
0.25 U.L.  
0.5 U.L.  
0.25 U.L.  
0.75 U.L.  
1
4
W , W  
Write Address Inputs  
Write Enable (Active LOW) Input  
Read Address Inputs  
Read Enable (Active LOW) Input  
Outputs (Note b)  
A
B
E
W
R , R  
LOGIC SYMBOL  
A
B
E
R
Q
– Q  
65 (25) U.L.  
15 (7.5) U.L.  
1
4
NOTES:  
a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW.  
b) The Output LOW drive factor is 7.5 U.L. for Military (54) and 15 U.L. for Commercial  
(74) Temperature Ranges. The Output HIGH drive factor is 25 U.L. for Military and  
65 U.L. for Commercial Temperature Ranges.  
FAST AND LS TTL DATA  
5-597  

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