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M74HC123AC1R PDF预览

M74HC123AC1R

更新时间： 2024-11-25 22:34:27
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 振荡器
页数 文件大小 规格书
14页 293K
描述
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

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中文翻译

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M74HC123AC1R 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：QLCC包装说明：PLASTIC, LCC-20
针数：20Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.82
其他特性：RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO系列：HC/UH
JESD-30 代码：S-PQCC-J20JESD-609代码：e3
长度：8.9662 mm负载电容（CL）：50 pF
逻辑集成电路类型：MONOSTABLE MULTIVIBRATOR数据/时钟输入次数：2
功能数量：2端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
输出极性：COMPLEMENTARY封装主体材料：PLASTIC/EPOXY
封装代码：QCCJ封装等效代码：LDCC20,.4SQ
封装形状：SQUARE封装形式：CHIP CARRIER
峰值回流温度（摄氏度）：NOT SPECIFIED电源：2/6 V
传播延迟（tpd）：53 ns认证状态：Not Qualified
座面最大高度：4.57 mm子类别：Prescaler/Multivibrators
最大供电电压 (Vsup)：6 V最小供电电压 (Vsup)：2 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：J BEND
端子节距：1.27 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：8.9662 mm

M74HC123AC1R 数据手册

 浏览型号M74HC123AC1R的Datasheet PDF文件第2页浏览型号M74HC123AC1R的Datasheet PDF文件第3页浏览型号M74HC123AC1R的Datasheet PDF文件第4页浏览型号M74HC123AC1R的Datasheet PDF文件第5页浏览型号M74HC123AC1R的Datasheet PDF文件第6页浏览型号M74HC123AC1R的Datasheet PDF文件第7页 
M54HC123/123A  
M74HC123/123A  
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR  
.
.
HIGH SPEED  
tPD = 25 ns (TYP) at VCC = 5V  
LOW POWER DISSIPATION  
STANDBYSTATE ICC=4 µA (MAX.) AT TA=25°C  
ACTIVESTATE ICC =200 µA (TYP.) AT VCC=5V  
HIGH NOISE IMMUNITY  
.
.
.
.
.
.
.
V
NIH = VNIL = 28 % VCC (MIN.)  
B1R  
F1R  
OUTPUT DRIVE CAPABILITY  
10 LSTTL LOADS  
SYMMETRICAL OUTPUT IMPEDANCE  
IOH = IOL = 4 mA (MIN.)  
BALANCED PROPAGATION DELAYS  
tPLH = tPHL  
WIDE OPERATING VOLTAGE RANGE  
VCC (OPR) = 2 V TO 6 V  
WIDE OUTPUT PULSE WIDTH RANGE  
tWOUT = 120 ns 60 s OVER AT VCC = 4.5 V  
PIN AND FUNCTION COMPATIBLE WITH  
54/74LS123  
(Plastic Package)  
(Ceramic Package)  
M1R  
C1R  
(Micro Package)  
(Chip Carrier)  
ORDER CODES :  
M54HCXXXF1R  
M74HCXXXM1R  
M74HCXXXB1R  
M74HCXXXC1R  
PIN CONNECTIONS (top view)  
DESCRIPTION  
The M54/74HC123 is a high speed CMOS MONO-  
STABLE multivibrator fabricated with silicon gate  
C2MOS technology. It achieves the high speed  
operation similar to equivalent LSTTL while main-  
taining the CMOS low power dissipation. There are  
two trigger inputs, A INPUT (negative edge) and 8  
INPUT (positive edge). These inputs are valid for  
slow rising/falling signals, (tr = tf = I sec). The device  
may also be triggered by using the CLR input (posi-  
tive-edge) because of the Schmitt-trigger input ;  
after triggering the output maintains the MONO-  
STABLE state for the time period determined by the  
external resistor Rx and capacitor Cx. When Cx ≥  
10nF and Rx ≥ 10KΩ, the output pulse width value  
is approssimatively given by the formula: tw(out) = K  
• Cx • Rx.  
Two different pulse width constant are available:  
K
0.45 for HC123  
K
1 for HC123A.  
Taking CLR low breaks this MONOSTABLE  
STATE. If the next trigger pulse occurs during the  
MONOSTABLEperiod it makes the MONOSTABLE  
period longer. Limit for values of Cx and Rx :  
Cx : NO LIMIT  
Rx : VCC < 3.0 V 5 K Ω to 1 M Ω  
NC =  
No Internal  
Connection  
VCC ≥ 3.0 V 1 K Ω to 1 M Ω  
All inputs are equipped with protection circuits  
October 1993  
1/14  
1234567...14

中文翻译

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