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型号	下载订购	功能描述	制造商上传企业	LOGO
SN74CB3Q3345DGVR	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：TVSOP(DGV)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI
SN74CB3Q3345DGVR.B	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：TVSOP(DGV)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI
SN74CB3Q3345PW	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：TSSOP(PW)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI
SN74CB3Q3345PWR	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：TSSOP(PW)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI
SN74CB3Q3345PWR.A	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：TSSOP(PW)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI
SN74CB3Q3345PWR.B	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：TSSOP(PW)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI
SN74CB3Q3345PWRG4	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：TSSOP(PW)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI
SN74CB3Q3345PWRG4.A	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：TSSOP(PW)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI
SN74CB3Q3345PWRG4.B	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：TSSOP(PW)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI
SN74CB3Q3345RGYR	文件：1.15502 Mbytes Page：20 Pages	丝印：BU345；Package：VQFN(RGY)；8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH FEATURES · High-Bandwidth Data Path (up to 500 MHz (1)) · 5-V-Tolerant I/Os With Device Powered Up or Powered Down · Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 4 W Typ) · Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC 文件：1.15502 Mbytes 页数：20 Pages	TI 德州仪器	TI

详细参数

型号：
BU345
功能描述：
数字总线开关 IC Lo-Vltg Hi-Bandwidth Bus Switch
RoHS：
否
制造商：
Texas Instruments
开关数量：
24
传播延迟时间：
0.25 ns
最大工作温度：
+ 85 C
最小工作温度：
- 40 C
封装/箱体：
TSSOP-56
封装：
Reel

供应商	型号	品牌	批号	封装	库存	备注	价格
深圳市鹏顺微电子科技有限公司	SN74CB3Q3345DGVR	TI(德州仪器)	2022+原装正品	TVSOP-20	18000	支持工厂BOM表配单公司只做原装正品货	询价
深圳市高捷芯城科技有限公司	SN74CB3Q3345DGVR	TI(德州仪器)	24+	TVSOP-20-4	9203	支持大陆交货,美金交易。原装现货库存。	询价
千层芯半导体(深圳)有限公司	SN74CB3Q3345DGVR	TI	24+	TVSOP	6000	进口原装正品假一赔十,货期7-10天	询价
深圳市鼎盛源芯科技有限公司	SN74CB3Q3345DGVR	TI	16+	原厂封装	10000	全新原装正品,代理优势渠道供应,欢迎来电咨询	询价
深圳诚思涵科技有限公司	SN74CB3Q3345DGVR	TexasInstruments	18+	ICSWITCHBUS8BITFET20-TVS	6800	公司原装现货/欢迎来电咨询!	询价
中天科工半导体（深圳）有限公司	SN74CB3Q3345DGVR	TI	20+	14	53650	TI原装主营-可开原型号增税票	询价
瀚佳科技(深圳)有限公司	SN74CB3Q3345DGVR	Texas Instruments	24+	20-TVSOP	56300	一级代理/放心采购	询价
艾睿（深圳）半导体有限公司	SN74CB3Q3345DGVR	TI/德州仪器	2447	14	100500	一级代理专营品牌!原装正品,优势现货,长期排单到货	询价
深圳市科雨电子有限公司	SN74CB3Q3345DGVR	TI	25+	SSOP-20	9854	就找我吧!--邀您体验愉快问购元件!	询价
讯运(深圳/上海)电子有限公司	SN74CB3Q3345DGVR	TI(德州仪器)	2021+	TVSOP-20	499		询价

更多BU345供应商更新时间2025-12-22 15:01:00

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