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M74HC4520TTR PDF预览

M74HC4520TTR

更新时间: 2024-11-24 05:10:55
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 计数器
页数 文件大小 规格书
12页 361K
描述
DUAL 4 BIT BINARY COUNTER

M74HC4520TTR 技术参数

生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP, TSSOP16,.25针数:16
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.37Base Number Matches:1

M74HC4520TTR 数据手册

 浏览型号M74HC4520TTR的Datasheet PDF文件第2页浏览型号M74HC4520TTR的Datasheet PDF文件第3页浏览型号M74HC4520TTR的Datasheet PDF文件第4页浏览型号M74HC4520TTR的Datasheet PDF文件第5页浏览型号M74HC4520TTR的Datasheet PDF文件第6页浏览型号M74HC4520TTR的Datasheet PDF文件第7页 
M74HC4520  
DUAL 4 BIT BINARY COUNTER  
HIGH SPEED :  
= 60 MHz (TYP.) at V = 6V  
f
MAX  
CC  
LOW POWER DISSIPATION:  
=4µA(MAX.) at T =25°C  
I
CC  
A
HIGH NOISE IMMUNITY:  
= V = 28 % V (MIN.)  
V
NIH  
NIL  
CC  
DIP  
SOP  
TSSOP  
SYMMETRICAL OUTPUT IMPEDANCE:  
|I | = I = 4mA (MIN)  
OH  
OL  
BALANCED PROPAGATION DELAYS:  
t
t
ORDER CODES  
PACKAGE  
PLH  
PHL  
WIDE OPERATING VOLTAGE RANGE:  
(OPR) = 2V to 6V  
TUBE  
T & R  
V
CC  
DIP  
SOP  
M74HC4520B1R  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 4520  
M74HC4520M1R M74HC4520RM13TR  
M74HC4520TTR  
TSSOP  
DESCRIPTION  
The M74HC4520 is an high speed CMOS DUAL  
BINARY COUNTER fabricated with silicon gate  
C MOS technology.  
each positive-going transition of the CLOCK. The  
counters are cleared by high levels on their clear  
lines.  
2
It consists of two identical internally synchronous  
4-stage counters. The counter stages are D-TYPE  
flip-flops having interchangeable CLOCK and  
ENABLE inputs for incrementing on either the  
positive-going or negative-going transition.  
The counter can be cascaded in the ripple mode  
by connecting Q4 to the enable input of the  
subsequent counter while the clock input of the  
latter is held permanently low.  
All inputs are equipped with protection circuits  
against static discharge and transient excess  
voltage.  
For single-unit operation the ENABLE input is  
maintained "high" and the counter advances on  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
July 2001  
1/12  

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