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SN54LS670J PDF预览

SN54LS670J

更新时间: 2024-09-12 23:03:07
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 存储静态存储器输出元件
页数 文件大小 规格书
6页 205K
描述
4 x 4 REGISTER FILE WITH 3-STATE OUTPUTS

SN54LS670J 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP,
针数:16Reach Compliance Code:unknown
ECCN代码:3A001.A.2.CHTS代码:8542.32.00.41
风险等级:5.33最长访问时间:45 ns
JESD-30 代码:R-GDIP-T16JESD-609代码:e0
长度:19.3 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:125 °C最低工作温度:-55 °C
组织:4X4输出特性:3-STATE
可输出:NO封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE并行/串行:PARALLEL
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:4.19 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:TTL
温度等级:MILITARY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:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

SN54LS670J 数据手册

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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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