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CD74HCT4520M /计数器 IC Dual Binary Up
CD74HCT4520M的规格信息
CD74HCT4520M的图片

图像仅供参考，请参阅规格书

制造商:Texas Instruments

产品种类:计数器 IC

RoHS:是

安装风格:SMD/SMT

封装 / 箱体:SOP-16

计数器类型:Binary

逻辑系列:HCT

位数:4 bit

计数顺序:Up

工作电源电压:4.5 V to 5.5 V

最小工作温度:- 55 C

最大工作温度:+ 125 C

系列:CD74HCT4520

封装:Tube

功能:Counter

工作温度范围:- 55 C to + 125 C

输出电流:+/- 4 mA

商标:Texas Instruments

产品类型:Counter ICs

工厂包装数量:40

子类别:Counter ICs

单位重量:141.700 mg

供应商CD74HCT4520M
CD74HCT4520M的供应商,可免费索样
供应商型号地址联系电话联系人在线联系询价
深圳市佳威星科技有限公司CD74HCT4520M深圳市福田区华强北路现代之窗B座28C0755-83045910
13724343501		胡小姐Email:jiaweixingic@126.com询价
深圳市芯幂科技有限公司CD74HCT4520M深圳市福田区福田街道福安社区民田路178号华融大厦240513267088774 (微信同号)Alienskype:live:.cid.3d55cb3c1097ae8dEmail:service@xinmisc.com询价
深圳市安富世纪电子有限公司CD74HCT4520M深圳市福田区中航路都会轩24060755-82573210
18124040553		杨丹妮Email:2881358670@qq.com询价
集好芯城CD74HCT4520M深圳市福田区深南中路3023号汉国中心55楼0755-23903180
13360063783		杨先生Email:sam@678ic.com询价
深圳市高捷芯城科技有限公司CD74HCT4520M深圳市福田区航都大厦10B13352985419
13352985419		木易Email:2881915365@qq.com询价
深圳市德州众泰科技有限公司CD74HCT4520M深圳市福田区汉国中心55楼0755-82575351
13360063783		廖小姐Email:sam@678ic.com询价
集好芯城CD74HCT4520M深圳市福田区航都大厦25F4008626627
13360071553		陈泽辉Email:sam@678ic.com询价
芯莱德电子（香港）有限公司CD74HCT4520M深圳市福田区航都大厦10L13352985419
13352985419，19076157484		杨先生Email:2881915365@qq.com询价
深圳市宇浩扬科技有限公司CD74HCT4520M深圳市福田区华强北上步工业区201栋3160755-83223003
13826514222		余先生，张先生Email:grady4222@126.com询价
深圳市河锋鑫科技有限公司CD74HCT4520M华强北现代之窗A 9D0755-23903154
13430590551		杨晓芳Email:305739080@qq.com询价
深圳市鑫晟源电子科技有限公司CD74HCT4520M深圳市福田区华强北街道华航社区华富路1006号航都大厦19层C实-单-专-线V+18938047708
18938047708/18938048779		林炜东，林俊源Email:3004003952@qq.com询价
深圳市浩睿泽电子科技有限公司CD74HCT4520M深圳市福田区福田街道岗厦社区彩田路3069号星河世纪A栋2003F1919854773352
19854773352		罗先生Email:250652363@qq.com询价
深圳市百视威讯电子科技有限公司CD74HCT4520M华强广场C座18J0755-27381274
18098996457		董先生skype:微信15013613919Email:15013613919@163.com询价
深圳市赛美科科技有限公司CD74HCT4520M广东省深圳市福田区华强北上步工业区101栋5楼A5950755-28309323
13480875861		雷小姐，微信与手机号同号QQ无回复请加微信或打电话Email:2053086415@qq.com询价
深圳市毅创腾电子科技有限公司CD74HCT4520M深圳市福田区华强北路现代之窗大厦B座18I室0755-83616256 / 83210909
13725570869		朱小姐Email:szyctdz@163.com询价
深圳市亿鸿丰电子科技有限公司CD74HCT4520M深圳市福田区华富路1046-1号华康大厦2栋2楼2100755-83230201
19147724283，19147721680		王小姐，刘先生Email:345720093@qq.com询价
深圳市物量万芯科技有限公司CD74HCT4520M深圳市福田区华强北街道赛格广场6507AB0755-82715430
18194045272		朱先生Email:2853128393@qq.com询价
深圳瀚顺芯电子科技有限公司CD74HCT4520M深圳市福田区福田街道皇岗社区吉龙一村26栋801室18927111567黄Email:1585681270@qq.com询价
深圳市荣创芯微科技有限公司CD74HCT4520M深圳市福田区华强北都会B做12N0755-82501483
15818715186		郭小姐Email:860705666@qq.com询价
深圳市芯泽盛世科技有限公司CD74HCT4520M龙岗区平湖街道平湖社区平安大道3号铁东物流区11栋18220755-89697985
18822854608		李先生Email:2119980731@qq.com询价
CD74HCT4520M及相关型号的PDF资料
型号功能描述生产厂商厂商LOGOPDF大小PDF页数下载地址相关型号
CD74HCT4520MHigh Speed CMOS Logic Dual Synchronous Counters TI[Texas Instruments]TI[Texas Instruments]的LOGO45.14 Kbytes共8页CD74HCT4520M的PDF下载地址CD74HC192,CD74HC40103,CD74HC123,CD74HC4015,CD74HC123,CD74HCT139,CD54HC4015,CD54HC4520,74393,CD74HC20
CD74HCT4520MHigh-Speed CMOS Logic Dual Synchronous Counters TI[Texas Instruments]TI[Texas Instruments]的LOGO280.27 Kbytes共13页CD74HCT4520M的PDF下载地址CD74HC4518,CD54HC192,CD54HC40103,CD54HC123,CD54HC4002,CD54HCT390,CD54HCT4538,CD54HCT393,CD54HC21,CD54HC20
CD74HCT4520MHigh-Speed CMOS Logic Dual Synchronous Counters TI1[Texas Instruments]TI1[Texas Instruments]的LOGO468.11 Kbytes共17页CD74HCT4520M的PDF下载地址无
CD74HCT4520M96High-Speed CMOS Logic Dual Synchronous Counters TI[Texas Instruments]TI[Texas Instruments]的LOGO280.27 Kbytes共13页CD74HCT4520M96的PDF下载地址CD74HC4518,CD54HC192,CD54HC40103,CD54HC123,CD54HC4002,CD54HCT390,CD54HCT4538,CD54HCT393,CD54HC21,CD54HC20
CD74HCT4520M96High-Speed CMOS Logic Dual Synchronous Counters TI1[Texas Instruments]TI1[Texas Instruments]的LOGO468.11 Kbytes共17页CD74HCT4520M96的PDF下载地址无
CD74HCT4520M96E4High-Speed CMOS Logic Dual Synchronous Counters TI[Texas Instruments]TI[Texas Instruments]的LOGO280.27 Kbytes共13页CD74HCT4520M96E4的PDF下载地址CD74HC4518,CD54HC192,CD54HC40103,CD54HC123,CD54HC4002,CD54HCT390,CD54HCT4538,CD54HCT393,CD54HC21,CD54HC20
CD74HCT4520ME4High-Speed CMOS Logic Dual Synchronous Counters TI[Texas Instruments]TI[Texas Instruments]的LOGO280.27 Kbytes共13页CD74HCT4520ME4的PDF下载地址CD74HC4518,CD54HC192,CD54HC40103,CD54HC123,CD54HC4002,CD54HCT390,CD54HCT4538,CD54HCT393,CD54HC21,CD54HC20
CD74HCT4520MG4High-Speed CMOS Logic Dual Synchronous Counters TI1[Texas Instruments]TI1[Texas Instruments]的LOGO468.11 Kbytes共17页CD74HCT4520MG4的PDF下载地址无
CD74HCT4520MTHigh-Speed CMOS Logic Dual Synchronous Counters TI[Texas Instruments]TI[Texas Instruments]的LOGO280.27 Kbytes共13页CD74HCT4520MT的PDF下载地址CD74HC4518,CD54HC192,CD54HC40103,CD54HC123,CD54HC4002,CD54HCT390,CD54HCT4538,CD54HCT393,CD54HC21,CD54HC20
CD74HCT4520MTHigh-Speed CMOS Logic Dual Synchronous Counters TI1[Texas Instruments]TI1[Texas Instruments]的LOGO468.11 Kbytes共17页CD74HCT4520MT的PDF下载地址无
CD74HCT4520MTE4High-Speed CMOS Logic Dual Synchronous Counters TI[Texas Instruments]TI[Texas Instruments]的LOGO280.27 Kbytes共13页CD74HCT4520MTE4的PDF下载地址CD74HC4518,CD54HC192,CD54HC40103,CD54HC123,CD54HC4002,CD54HCT390,CD54HCT4538,CD54HCT393,CD54HC21,CD54HC20
CD74HCT4520M的全球分销商及价格
销售商型号制造商功能描述价格
元器件资料网-Am2的LOGO
Am2		CD74HCT4520MTexas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Dual Binary Up1+:￥5.98
10+:￥5.22
50+:￥4.62
100+:￥4.0299
250+:￥3.5001
500+:￥2.98
750+:￥2.61
1000+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.85991+:￥5.61
10+:￥4.5199
100+:￥3.3740+:￥2.62
80+:￥2.58
520+:￥2.54215+:￥1.96
元器件资料网-Arrow(艾睿)的LOGO
Arrow(艾睿)		CD74HCT4520MTexas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Dual Binary Up1+:￥5.98
10+:￥5.22
50+:￥4.62
100+:￥4.0299
250+:￥3.5001
500+:￥2.98
750+:￥2.61
1000+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.85991+:￥5.61
10+:￥4.5199
100+:￥3.3740+:￥2.62
80+:￥2.58
520+:￥2.54215+:￥1.9625+:￥4.97
100+:￥4.3
250+:￥3.85
500+:￥3.34991+:￥2.36
元器件资料网-Arrow(艾睿)的LOGO
Arrow(艾睿)		CD74HCT4520MTexas InstrumentsCounter Dual 4-Bit Binary UP 16-Pin SOIC Tube
RoHS : Compliant		10,000 : $0.2926
元器件资料网-Arrow(艾睿)的LOGO
Arrow(艾睿)		CD74HCT4520M96Texas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC)1+:￥5.11
10+:￥4.48
25+:￥3.96
100+:￥3.45
250+:￥3.0099
500+:￥2.56
750+:￥2.23
1000+:￥2.051+:￥3.94
10+:￥3.15
100+:￥2.3499
500+:￥1.97
1000+:￥1.83
2500+:￥1.68
10000+:￥1.66
25000+:￥1.6
50000+:￥1.541+:￥1.98
元器件资料网-Arrow(艾睿)的LOGO
Arrow(艾睿)		CD74HCT4520MG4Texas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Hi Spd CMOS Log Dual Bin Up-Counters1240+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.
元器件资料网-Avnet Express的LOGO
Avnet Express		CD74HCT4520MTexas Instruments- Rail/Tube240 : $0.3741
元器件资料网-Bristol Electronics的LOGO
Bristol Electronics		CD74HCT4520M96Texas Instruments价格未公开
元器件资料网-Chip1Stop的LOGO
Chip1Stop		CD74HCT4520MTexas InstrumentsCounter Dual 4-Bit Binary UP 16-Pin SOIC Tube
RoHS : Compliant		40 : $0.354
520 : $0.348
1,000 : $0.3
元器件资料网-ChipOneStop的LOGO
ChipOneStop		CD74HCT4520MTexas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Dual Binary Up1+:￥5.98
10+:￥5.22
50+:￥4.62
100+:￥4.0299
250+:￥3.5001
500+:￥2.98
750+:￥2.61
1000+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.85991+:￥5.61
10+:￥4.5199
100+:￥3.3740+:￥2.62
80+:￥2.58
520+:￥2.54
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520MTexas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Dual Binary Up1+:￥5.98
10+:￥5.22
50+:￥4.62
100+:￥4.0299
250+:￥3.5001
500+:￥2.98
750+:￥2.61
1000+:￥2.39
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520MTexas InstrumentsIC DUAL BIN UP-COUNTER 16-SOIC1,000 : $0.3264
500 : $0.408
100 : $0.5161
10 : $0.673
1 : $0.77
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520MTexas InstrumentsIC DUAL BIN UP-COUNTER 16-SOIC$0.84000
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520M96Texas InstrumentsIC DUAL BINARY UP-COUNTER 16SOIC10 : $0.578
1 : $0.66
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520M96Texas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC)1+:￥5.11
10+:￥4.48
25+:￥3.96
100+:￥3.45
250+:￥3.0099
500+:￥2.56
750+:￥2.23
1000+:￥2.05
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520M96Harris CorporationDUAL SYNCHRONOUS COUNTER$0.26000
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520M96Texas InstrumentsIC DUAL BINARY UP-COUNTER 16SOICActive
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520MG4Texas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Hi Spd CMOS Log Dual Bin Up-Counters1240+:￥2.39
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520MTTexas InstrumentsIC DUAL BINARY UP-COUNTER 16SOICDiscontinued at Digi-Key
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520MTTexas InstrumentsBINARY COUNTER$0.36000
元器件资料网-Digi-Key 得捷电子的LOGO
Digi-Key 得捷电子		CD74HCT4520MTTexas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC)1+:￥3.76
25+:￥3.73
50+:￥3.7
100+:￥3.66
300+:￥3.59
500+:￥3.56
1000+:￥3.5199
5000+:￥3.5001
元器件资料网-element14 Asia-Pacific的LOGO
element14 Asia-Pacific		CD74HCT4520MTexas InstrumentsLOGIC DUAL BCD UP-COUNTER 16SOIC
RoHS : Compliant		1 : $5.33
10 : $4.29
100 : $3.2
500 : $2.35
1,000 : $2.15
2,000 : $1.81
10,000 : $1.76
元器件资料网-element14 e络盟电子的LOGO
element14 e络盟电子		CD74HCT4520MTexas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Dual Binary Up1+:￥5.98
10+:￥5.22
50+:￥4.62
100+:￥4.0299
250+:￥3.5001
500+:￥2.98
750+:￥2.61
1000+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.85991+:￥5.61
10+:￥4.5199
100+:￥3.37
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		CD74HCT4520MTexas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Dual Binary Up1+:￥5.98
10+:￥5.22
50+:￥4.62
100+:￥4.0299
250+:￥3.5001
500+:￥2.98
750+:￥2.61
1000+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.8599
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		CD74HCT4520MTexas Instruments计数器 IC Dual Binary Up1:¥6.0681
10:¥5.0285
100:¥3.2431
1,000:¥2.599
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		CD74HCT4520M96Texas Instruments计数器 IC Hi-Speed CMOS Logic Dual Bin Up-Counter1:¥5.0737
10:¥4.1923
100:¥2.7007
1,000:¥2.1696
2,500:¥1.9662
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		CD74HCT4520M96Texas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC)1+:￥5.11
10+:￥4.48
25+:￥3.96
100+:￥3.45
250+:￥3.0099
500+:￥2.56
750+:￥2.23
1000+:￥2.051+:￥3.94
10+:￥3.15
100+:￥2.3499
500+:￥1.97
1000+:￥1.83
2500+:￥1.68
10000+:￥1.66
25000+:￥1.6
50000+:￥1.54
元器件资料网-Mouser 贸泽电子的LOGO
Mouser 贸泽电子		CD74HCT4520MG4Texas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Hi Spd CMOS Log Dual Bin Up-Counters1240+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.8599
元器件资料网-Rochester的LOGO
Rochester		CD74HCT4520MHarris1+:￥5.98
10+:￥5.22
50+:￥4.62
100+:￥4.0299
250+:￥3.5001
500+:￥2.98
750+:￥2.61
1000+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.85991+:￥5.61
10+:￥4.5199
100+:￥3.3740+:￥2.62
80+:￥2.58
520+:￥2.54215+:￥1.9625+:￥4.97
100+:￥4.3
250+:￥3.85
500+:￥3.34991+:￥2.361+:￥2.081+:￥1.14
25+:￥1.13
50+:￥1.12
100+:￥1.11
300+:￥1.1
500+:￥1.09
1000+:￥1.08
5000+:￥1.07
元器件资料网-Rochester的LOGO
Rochester		CD74HCT4520M96Harris1+:￥5.11
10+:￥4.48
25+:￥3.96
100+:￥3.45
250+:￥3.0099
500+:￥2.56
750+:￥2.23
1000+:￥2.051+:￥3.94
10+:￥3.15
100+:￥2.3499
500+:￥1.97
1000+:￥1.83
2500+:￥1.68
10000+:￥1.66
25000+:￥1.6
50000+:￥1.541+:￥1.981+:￥1.14
25+:￥1.13
50+:￥1.12
100+:￥1.11
300+:￥1.1
500+:￥1.09
1000+:￥1.08
5000+:￥1.07
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		CD74HCT4520MTexas InstrumentsM: HCT4520M500 : $0.26
1,000 : $0.25
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		CD74HCT4520MRochester Electronics LLCCounter CD74HCT4520M价格未公开
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		CD74HCT4520M96Harris CorporationN/A500 : $0.18
1,000 : $0.18
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		CD74HCT4520M96Rochester Electronics LLCCounter CD74HCT4520M96价格未公开
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		CD74HCT4520M96E4Rochester Electronics LLCCounter CD74HCT4520M96E4价格未公开
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		CD74HCT4520MTRochester Electronics LLCCounter CD74HCT4520MT价格未公开
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		CD74HCT4520MTTexas InstrumentsN/A500 : $0.61
1,000 : $0.58
元器件资料网-Rochester Electronics的LOGO
Rochester Electronics		CD74HCT4520MTE4Rochester Electronics LLCCounter CD74HCT4520MTE4价格未公开
元器件资料网-RS(欧时)的LOGO
RS(欧时)		CD74HCT4520MTexas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Dual Binary Up1+:￥5.98
10+:￥5.22
50+:￥4.62
100+:￥4.0299
250+:￥3.5001
500+:￥2.98
750+:￥2.61
1000+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.85991+:￥5.61
10+:￥4.5199
100+:￥3.3740+:￥2.62
80+:￥2.58
520+:￥2.54215+:￥1.9625+:￥4.97
100+:￥4.3
250+:￥3.85
500+:￥3.3499
元器件资料网-TME Electronic Components的LOGO
TME Electronic Components		CD74HCT4520MTEXAS INSTRUMENTSIC: digital; 4bit, binary counter; Channels:2; Series: HCT; SMD40 : $0.367
120 : $0.341
元器件资料网-Verical的LOGO
Verical		CD74HCT4520MTexas InstrumentsCounter Dual 4-Bit Binary UP 16-Pin SOIC Tube$0.255
元器件资料网-Verical的LOGO
Verical		CD74HCT4520MTexas Instruments逻辑 -计数器，除法器 74HCT 集成电路 (IC) 半导体 计数器 IC Dual Binary Up1+:￥5.98
10+:￥5.22
50+:￥4.62
100+:￥4.0299
250+:￥3.5001
500+:￥2.98
750+:￥2.61
1000+:￥2.391+:￥4.7
10+:￥3.78
100+:￥2.8201
500+:￥2.37
1000+:￥2.19
2000+:￥2.02
10000+:￥2
25000+:￥1.92
50000+:￥1.85991+:￥5.61
10+:￥4.5199
100+:￥3.3740+:￥2.62
80+:￥2.58
520+:￥2.54215+:￥1.9625+:￥4.97
100+:￥4.3
250+:￥3.85
500+:￥3.34991+:￥2.361+:￥2.08
元器件资料网-立创商城的LOGO
立创商城		CD74HCT4520MTI(德州仪器)逻辑-计数器,除法器1+:￥4.44
200+:￥1.72
500+:￥1.66
1000+:￥1.63
元器件资料网-立创商城的LOGO
立创商城		CD74HCT4520M96TI(德州仪器)逻辑-计数器,除法器1+:￥2.8519
200+:￥1.1037
500+:￥1.0649
1000+:￥1.0457
CD74HCT4520M的相关型号
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