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SN74CBT3305CD

更新时间： 2024-11-08 22:20:35
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德州仪器 - TI 开关
页数 文件大小 规格书
9页 201K
描述
DUALFET BUS SWICH 5-V BUS SWITCH -2-V UNDERSHOOT PROTECTION

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SN74CBT3305CD 数据手册

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SCDS125A − SEPTEMBER 2003 − REVISED OCTOBER 2003  
D
D
D
D
Undershoot Protection for Off-Isolation on  
A and B Ports Up To −2 V  
D
Control Inputs Can Be Driven by TTL or  
5-V/3.3-V CMOS Outputs  
Bidirectional Data Flow, With Near-Zero  
Propagation Delay  
D
D
D
I
Supports Partial-Power-Down Mode  
off  
Operation  
Low ON-State Resistance (r  
)
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
on  
Characteristics (r = 3 Ω Typical)  
on  
Low Input/Output Capacitance Minimizes  
Loading and Signal Distortion  
ESD Performance Tested Per JESD 22  
− 2000-V Human-Body Model  
(A114-B, Class II)  
(C  
= 5 pF Typical)  
io(OFF)  
− 1000-V Charged-Device Model (C101)  
D
D
Data and Control Inputs Provide  
Undershoot Clamp Diodes  
D
Supports Both Digital and Analog  
Applications: USB Interface, Bus Isolation,  
Low-Distortion Signal Gating  
Low Power Consumption  
(I  
= 3 µA Max)  
CC  
D
V
Operating Range From 4 V to 5.5 V  
CC  
D
Data I/Os Support 0 to 5-V Signaling Levels  
(0.8-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, 5-V)  
D OR PW PACKAGE  
(TOP VIEW)  
1
2
3
4
1OE  
1A  
1B  
8
7
6
5
V
CC  
2OE  
2B  
2A  
GND  
description/ordering information  
The SN74CBT3305C is a high-speed TTL-compatible FET bus switch with low ON-state resistance (r ),  
on  
allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the  
SN74CBT3305C provides protection for undershoot up to −2 V by sensing an undershoot event and ensuring  
that the switch remains in the proper OFF state.  
The SN74CBT3305C is organized as two 1-bit bus switches with separate output-enable (1OE, 2OE) inputs.  
It can be used as two 1-bit bus switches or as one 2-bit bus switch. When OE is high, the associated 1-bit bus  
switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When  
OE is low, the associated 1-bit bus switch is OFF, and the high-impedance state exists between the A and B  
ports.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
T
A
PACKAGE  
Tube  
SN74CBT3305CD  
SOIC − D  
CU305C  
Tape and reel SN74CBT3305CDR  
Tube SN74CBT3305CPW  
Tape and reel SN74CBT3305CPWR  
−40°C to 85°C  
TSSOP − PW  
CU305C  
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines  
are available at www.ti.com/sc/package.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
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Copyright 2003, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...9

中文翻译

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SN74CBT3305CD 替代型号

型号 品牌 替代类型 描述 数据表
SN74CBT3305CDR TI

类似代替

 DUALFET BUS SWICH 5-V BUS SWITCH -2-V UNDERSHOOT PROTECTION
SN74CBT3305CDG4 TI

功能相似

 CBT/FST/QS/5C/B SERIES, DUAL 1-BIT DRIVER, TRUE OUTPUT, PDSO8, GREEN, PLASTIC, MS-012-AA,

与SN74CBT3305CD相关器件

型号 品牌 获取价格 描述 数据表
SN74CBT3305CDG4 TI

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 		CBT/FST/QS/5C/B SERIES, DUAL 1-BIT DRIVER, TRUE OUTPUT, PDSO8, GREEN, PLASTIC, MS-012-AA,
SN74CBT3305CDR TI

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 		DUALFET BUS SWICH 5-V BUS SWITCH -2-V UNDERSHOOT PROTECTION
SN74CBT3305CDRE4 TI

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 		Dual FET Bus Switch with -2 V Undershoot-Protection 8-SOIC -40 to 85
SN74CBT3305CDRG4 TI

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 		CBT/FST/QS/5C/B SERIES, DUAL 1-BIT DRIVER, TRUE OUTPUT, PDSO8, GREEN, PLASTIC, MS-012-AA,
SN74CBT3305CPW TI

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 		DUALFET BUS SWICH 5-V BUS SWITCH -2-V UNDERSHOOT PROTECTION
SN74CBT3305CPWE4 TI

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 		CBT/FST/QS/5C/B SERIES, DUAL 1-BIT DRIVER, TRUE OUTPUT, PDSO8, GREEN, PLASTIC, TSSOP-8
SN74CBT3305CPWG4 TI

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 		CBT/FST/QS/5C/B SERIES, DUAL 1-BIT DRIVER, TRUE OUTPUT, PDSO8, GREEN, PLASTIC, TSSOP-8
SN74CBT3305CPWR TI

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 		DUALFET BUS SWICH 5-V BUS SWITCH -2-V UNDERSHOOT PROTECTION
SN74CBT3305CPWRE4 TI

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 		CBT/FST/QS/5C/B SERIES, DUAL 1-BIT DRIVER, TRUE OUTPUT, PDSO8, GREEN, PLASTIC, TSSOP-8
SN74CBT3305CPWRG4 TI

获取价格

 		具有 –2V 下冲保护的 5V、1:1 (SPST)、2 通道 FET 总线开关（高电平有

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