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计数器
图片 型号 文档 类别 描述 品牌 供应商
54LS568/BRBJC 计数器 Decade Counter, Synchronous, Bidirectional, TTL, CDIP20
54LS569/BSAJC 计数器 Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, CDFP20, CERAMIC, FP-20
54LS716/B2AJC 计数器 LS SERIES, ASYN POSITIVE EDGE TRIGGERED DOWN DIVIDE BYN COUNTER, CQCC20, CERAMIC, LCC-20
54LS719/B2AJC 计数器 LS SERIES, ASYN POSITIVE EDGE TRIGGERED DOWN DIVIDE BYN COUNTER, CQCC20, CERAMIC, LCC-20
54LS719/BFAJC 计数器 LS SERIES, ASYN POSITIVE EDGE TRIGGERED DOWN DIVIDE BYN COUNTER, CDFP16, CERAMIC, FP-16
54LS719M/B2AJC 计数器 LS SERIES, ASYN POSITIVE EDGE TRIGGERED DOWN DIVIDE BYN COUNTER, CQCC20, CERAMIC, LCC-20
54LS90J 计数器 Decade Counter, Asynchronous, Up Direction, TTL, CDIP14,
54LS90W 计数器 Decade Counter, Asynchronous, Up Direction, TTL, CDFP14,
54LS90W03 计数器 Decade Counter, Asynchronous, Up Direction, TTL, CDFP14,
54LS92DMQB 计数器 Divide By 12 Counter, LS Series, Synchronous, Negative Edge Triggered, 4-Bit, Up Direction, TTL, CDIP14, CERAMIC, DIP-14
54LS92FMQB 计数器 Divide By 12 Counter, Asynchronous, Up Direction, TTL, CDFP14,
54LS92J 计数器 Divide By 12 Counter, Asynchronous, Up Direction, TTL, CDIP14,
54LS92W 计数器 Divide By 12 Counter, Asynchronous, Up Direction, TTL, CDFP14,
54LS92W03 计数器 Divide By 12 Counter, Asynchronous, Up Direction, TTL, CDFP14,
54QHSC161CB 计数器 Binary Counter, HSC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16
54QHSC161FS 计数器 Binary Counter, HSC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDFP16
54QHSC161LE 计数器 Binary Counter, HSC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CQCC20
54QHSC163CB 计数器 Binary Counter, HSC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16
54QHSC163CBBAF 计数器 Binary Counter, Synchronous, Up Direction, CMOS, CDIP16
54QHSC163CS 计数器 Binary Counter, HSC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16
54QHSC163LD 计数器 Binary Counter, HSC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CQCC20
54QHST161CB 计数器 Binary Counter, HST/T Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16
54QHST161CS 计数器 Binary Counter, HST/T Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16
54QHST161FB 计数器 Binary Counter, HST/T Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDFP16
54QHST161FS 计数器 Binary Counter, HST/T Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDFP16
54QHST163CB 计数器 Binary Counter, HST/T Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16
54QHST163CD 计数器 Binary Counter, HST/T Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16,
54QHST163CS 计数器 Binary Counter, HST/T Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16
54RHSC161CB 计数器 Binary Counter, HSC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16
54RHSC161CC 计数器 Binary Counter, HSC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, CDIP16,
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总600条记录,每页显示30条记录分20页显示。

什么是计数器

    计数器是一种用于计算总数、次数或频率的电子设备,可实现精确的时间和事件计数。通常由计数器芯片和数字显示器组成。 计数器可分为普通计数器和预设计数器两种类型。普通计数器用于单次计数,每次计数后都会重置;而预设计数器则可设置一个预设值,只有当计数器计数达到预设值时才会进行重置。预设计数器的应用场景常见于物品检测、脉冲数测量、定时器等。