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SN74LS390N PDF预览

SN74LS390N

更新时间: 2024-02-06 22:12:19
品牌 Logo 应用领域
安森美 - ONSEMI 计数器
页数 文件大小 规格书
5页 75K
描述
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER

SN74LS390N 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP-16针数:16
Reach Compliance Code:compliantHTS代码:8542.39.00.01
Factory Lead Time:6 weeks风险等级:5.44
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:e4
长度:10.3 mm负载电容(CL):15 pF
负载/预设输入:YES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湿度敏感等级:1
位数:3功能数量:2
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,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
包装方法:TR峰值回流温度(摄氏度):260
电源:5 V最大电源电流(ICC):26 mA
Prop。Delay @ Nom-Sup:60 ns传播延迟(tpd):60 ns
认证状态:Not Qualified座面最大高度:2 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:Nickel/Palladium/Gold (Ni/Pd/Au)
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:5.3 mm
最小 fmax:25 MHzBase Number Matches:1

SN74LS390N 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 codeortheycancountinabiquinarysequencetoprovideasquarewave  
(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  
V
CP  
MR  
Q
CP  
Q
Q
Q
3
1
CC  
0
0
1
1
2
16  
15  
14  
13  
12  
11  
10  
9
J SUFFIX  
CERAMIC  
CASE 632-08  
14  
1
1
2
3
4
CP  
5
6
8
7
N SUFFIX  
PLASTIC  
CP  
MR  
Q
Q
Q
Q
3
GND  
0
0
1
1
2
NOTE:  
CASE 646-06  
The Flatpak version  
has the same pinouts  
(Connection Diagram) as  
the Dual In-Line Package.  
14  
SN54/74LS393  
1
V
CP  
13  
MR  
Q
Q
Q
Q
3
CC  
0
1
2
14  
12  
11  
10  
9
8
D SUFFIX  
SOIC  
CASE 751A-02  
14  
1
ORDERING INFORMATION  
1
2
3
4
5
6
7
SN54LSXXXJ  
Ceramic  
CP  
MR  
Q
Q
Q
Q
3
GND  
0
1
2
SN74LSXXXN Plastic  
SN74LSXXXD SOIC  
FAST AND LS TTL DATA  
5-1  

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