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HCF4026 PDF预览

HCF4026

更新时间: 2024-10-26 23:54:55
品牌 Logo 应用领域
其他 - ETC 计数器输出元件
页数 文件大小 规格书
11页 1090K
描述
DECADE COUNTERS/DIVIDERS WITH DECODED 7-SEGMENT DISPLAY OUTPUTS

HCF4026 数据手册

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HCF4026B  
DECADE COUNTER/DIVIDER WITH DECODED  
7-SEGMENT DISPLAY OUTPUT AND DISPLAY ENABLE  
COUNTER AND 7-SEGMENT DECODING IN  
ONE PACKAGE  
EASILY INTERFACED WITH 7-SEGMENT  
DISPLAY TYPES  
FULLY STATIC COUNTER OPERATION : DC  
TO 6MHz (Typ.) AT V = 10V  
IDEAL FOR LOW POWER DISPLAYS  
DISPLAY ENABLE OUTPUT  
DD  
DIP  
SOP  
QUIESCENT CURRENT SPECIF. UP TO 20V  
STANDARDIZED SYMMETRICAL OUTPUT  
CHARACTERISTICS  
ORDER CODES  
PACKAGE  
TUBE  
T & R  
INPUT LEAKAGE CURRENT  
DIP  
HCF4026BEY  
HCF4026BM1  
I = 100nA (MAX) AT V = 18V T = 25°C  
SOP  
HCF4026M013TR  
I
DD  
A
100% TESTED FOR QUIESCENT CURRENT  
MEETS ALL REQUIREMENTS OF JEDEC  
JESD13B " STANDARD SPECIFICATIONS  
FOR DESCRIPTION OF B SERIES CMOS  
DEVICES"  
important. This device has CLOCK, RESET,  
CLOCK INHIBIT, DISPLAY ENABLE input and  
CARRY OUT, DISPLAY ENABLE, UNGATED "C"  
SEGMENT and 7 DECODED outputs (a to g).  
A high RESET signal clears the decade counter to  
its zero count. The counter is advanced one count  
at the positive clock signal transition if the CLOCK  
INHIBIT signal is low. Counter advancement via  
the clock line is inhibited when the CLOCK  
INHIBIT signal is high. Antilock gating is provided  
on the JOHNSON counter, thus assuring proper  
DESCRIPTION  
The HCF4026B is a monolithic integrated circuit  
fabricated in Metal Oxide Semiconductor  
technology available in DIP and SOP packages.  
The HCF4026B consists of a 5-stages Johnson  
decade counter and an output decoder which  
converts the Johnson code to a 7 segment  
decoded output for driving one stage in a  
numerical display. This device is particularly  
advantageous in display applications where low  
power dissipation and/or low package count are  
counting sequence. The CARRY-OUT (C  
)
OUT  
signal completes one cycle every ten CLOCK  
INPUT cycles and is used to clock the succeeding  
decade directly in a multi-decade counting chain.  
PIN CONNECTION  
September 2001  
1/11  

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