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SN74LS74N PDF预览

SN74LS74N

更新时间: 2024-01-06 17:59:26
品牌 Logo 应用领域
安森美 - ONSEMI 光电二极管输出元件逻辑集成电路触发器
页数 文件大小 规格书
3页 77K
描述
LS SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, INVERTED OUTPUT, PDIP14, PLASTIC, DIP-14

SN74LS74N 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:PLASTIC, DIP-14针数:14
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.56Is Samacsys:N
系列:LSJESD-30 代码:R-PDIP-T14
逻辑集成电路类型:D FLIP-FLOP位数:1
功能数量:2端子数量:14
最高工作温度:70 °C最低工作温度:
输出极性:INVERTED封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE认证状态:Not Qualified
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:NO
技术:TTL温度等级:COMMERCIAL
端子形式:THROUGH-HOLE端子位置:DUAL
触发器类型:POSITIVE EDGE最小 fmax:25 MHz
Base Number Matches:1

SN74LS74N 数据手册

 浏览型号SN74LS74N的Datasheet PDF文件第2页浏览型号SN74LS74N的Datasheet PDF文件第3页 
SN54/74LS74A  
DUAL D-TYPE POSITIVE  
EDGE-TRIGGERED FLIP-FLOP  
The SN54/74LS74A dual edge-triggered flip-flop utilizes Schottky TTL cir-  
cuitry to produce high speed D-type flip-flops. Each flip-flop has individual  
clear and set inputs, and also complementary Q and Q outputs.  
Information at input D is transferred to the Q output on the positive-going  
edge of the clock pulse. Clock triggering occurs at a voltage level of the clock  
pulse and is not directly related to the transition time of the positive-going  
pulse. When the clock input is at either the HIGH or the LOW level, the D input  
signal has no effect.  
DUAL D-TYPE POSITIVE  
EDGE-TRIGGERED FLIP-FLOP  
LOW POWER SCHOTTKY  
J SUFFIX  
CERAMIC  
LOGIC DIAGRAM (Each Flip-Flop)  
CASE 632-08  
14  
1
SET (S  
)
D
4 (10)  
Q
5 (9)  
CLEAR (CD)  
1 (13)  
N SUFFIX  
PLASTIC  
CASE 646-06  
CLOCK  
3 (11)  
14  
Q
6 (8)  
1
D
2 (12)  
D SUFFIX  
SOIC  
CASE 751A-02  
14  
1
ORDERING INFORMATION  
SN54LSXXJ  
SN74LSXXN  
SN74LSXXD  
Ceramic  
Plastic  
SOIC  
MODE SELECT — TRUTH TABLE  
INPUTS  
OUTPUTS  
OPERATING MODE  
S
D
S
D
D
Q
Q
Set  
L
H
L
H
H
H
L
L
H
H
X
X
X
h
l
H
L
H
H
L
L
H
H
L
LOGIC SYMBOL  
Reset (Clear)  
*Undetermined  
Load “1” (Set)  
Load “0” (Reset)  
4
10  
H
S
S
D
D
5
6
9
8
2
3
D
Q
Q
12  
11  
D
Q
Q
* Both outputs will be HIGH while both S and C are LOW, but the output states are unpredictable  
D
D
if S and C goHIGHsimultaneously. If the levels at the set and clear are near V maximumthen  
D
D
IL  
CP  
CP  
we cannot guarantee to meet the minimum level for V  
.
OH  
H, h = HIGH Voltage Level  
L, I = LOW Voltage Level  
X = Don’t Care  
C
C
D
D
1
13  
i, h (q) = Lower case letters indicate the state of the referenced input (or output) one set-up time  
i, h (q) = prior to the HIGH to LOW clock transition.  
V
= PIN 14  
CC  
GND = PIN 7  
FAST AND LS TTL DATA  
5-72  

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