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SN74LS390D PDF预览

SN74LS390D

更新时间: 2024-11-23 23:06:19
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 计数器触发器逻辑集成电路光电二极管
页数 文件大小 规格书
7页 196K
描述
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER

SN74LS390D 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP16,.25
针数:16Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.21
Is Samacsys:N其他特性:DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS
计数方向:UP系列:LS
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:9.9 mm负载电容(CL):15 pF
负载/预设输入:NO逻辑集成电路类型:DECADE COUNTER
最大频率@ Nom-Sup:25000000 Hz最大I(ol):0.008 A
工作模式:ASYNCHRONOUS位数:3
功能数量:4端子数量:16
最高工作温度:70 °C最低工作温度:
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峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V最大电源电流(ICC):26 mA
传播延迟(tpd):60 ns认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Counters
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
处于峰值回流温度下的最长时间:NOT SPECIFIED触发器类型:NEGATIVE EDGE
宽度:3.9 mm最小 fmax:25 MHz
Base Number Matches:1

SN74LS390D 数据手册

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SN54/74LS390  
SN54/74LS393  
DUAL DECADE COUNTER;  
DUAL 4-STAGE  
BINARY COUNTER  
DUAL DECADE COUNTER;  
DUAL 4-STAGE  
TheSN54/74LS390andSN54/74LS393eachcontainapairofhigh-speed  
4-stage ripple counters. Each half of the LS390 is partitioned into a  
divide-by-two section and a divide-by five section, with a separate clock input  
for each section. The two sections can be connected to count in the 8.4.2.1  
BCD code or theycancountinabiquinarysequencetoprovideasquarewave  
(50% duty cycle) at the final output.  
BINARY COUNTER  
LOW POWER SCHOTTKY  
Each half of the LS393 operates as a Modulo-16 binary divider, with the last  
three stages triggered in a ripple fashion. In both the LS390 and the LS393,  
the flip-flops are triggered by a HIGH-to-LOW transition of their CP inputs.  
Each half of each circuit type has a Master Reset input which responds to a  
HIGH signal by forcing all four outputs to the LOW state.  
J SUFFIX  
CERAMIC  
CASE 620-09  
Dual Versions of LS290 and LS293  
16  
1
LS390 has Separate Clocks Allowing ÷2, ÷2.5, ÷5  
Individual Asynchronous Clear for Each Counter  
Typical Max Count Frequency of 50 MHz  
N SUFFIX  
PLASTIC  
Input Clamp Diodes Minimize High Speed Termination Effects  
CASE 648-08  
16  
1
CONNECTION DIAGRAM DIP (TOP VIEW)  
D SUFFIX  
SOIC  
CASE 751B-03  
SN54/74LS390  
16  
1
J SUFFIX  
CERAMIC  
CASE 632-08  
14  
1
N SUFFIX  
PLASTIC  
NOTE:  
CASE 646-06  
The Flatpak version  
has the same pinouts  
(Connection Diagram) as  
14  
SN54/74LS393  
1
the Dual In-Line Package.  
D SUFFIX  
SOIC  
CASE 751A-02  
14  
1
ORDERING INFORMATION  
SN54LSXXXJ  
Ceramic  
SN74LSXXXN Plastic  
SN74LSXXXD SOIC  
FAST AND LS TTL DATA  
5-544  

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