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SN74CBT3345CDBQR

更新时间： 2024-09-16 04:11:43
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
17页 619K
描述
8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION

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中文翻译

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SN74CBT3345CDBQR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QSOP
包装说明：SSOP, SSOP20,.25针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.3控制类型：ENABLE LOW/HIGH
计数方向：BIDIRECTIONAL系列：CBT/FST/QS/5C/B
JESD-30 代码：R-PDSO-G20JESD-609代码：e4
长度：8.65 mm逻辑集成电路类型：BUS DRIVER
湿度敏感等级：2位数：8
功能数量：1端口数量：2
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C输出特性：3-STATE
输出极性：TRUE封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP20,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
包装方法：TR峰值回流温度（摄氏度）：260
电源：5 V最大电源电流（ICC）：0.05 mA
Prop。Delay @ Nom-Sup：0.15 ns传播延迟（tpd）：0.24 ns
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Bus Driver/Transceivers最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：4 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
翻译：N/A宽度：3.9 mm

SN74CBT3345CDBQR 数据手册

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SCDS129A − 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  
= 5.5 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, Memory  
Interleaving, 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)  
DB, DBQ, DGV, DW, OR PW PACKAGE  
(TOP VIEW)  
RGY PACKAGE  
(TOP VIEW)  
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OE  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
CC  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
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A1  
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A5  
A6  
A7  
A8  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
GND  
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description/ordering information  
The SN74CBT3345C 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  
SN74CBT3345C 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 SN74CBT3345C is organized as an 8-bit bus switch with two output-enable (OE, OE) inputs. When OE  
is high or OE is low, the bus switch is ON, and the A port is connected to the B port, allowing bidirectional data  
flow between ports. When OE is low and OE is high, the bus switch is OFF and the high-impedance state exists  
between the A and B ports.  
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...17

中文翻译

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SN74CBT3345CDBQR 替代型号

型号 品牌 替代类型 描述 数据表
SN74CBT3345CPWR TI

完全替代

 8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
SN74CBT3345CDGVR TI

完全替代

 8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
SN74CBT3345CDBQRE4 TI

完全替代

 8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION

与SN74CBT3345CDBQR相关器件

型号 品牌 获取价格 描述 数据表
SN74CBT3345CDBQRE4 TI

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 		8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
SN74CBT3345CDBQRG4 TI

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 		8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
SN74CBT3345CDBR TI

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 		8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
SN74CBT3345CDBRE4 TI

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 		8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
SN74CBT3345CDBRG4 TI

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 		CBT/FST/QS/5C/B SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SSOP-20
SN74CBT3345CDGVR TI

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 		8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
SN74CBT3345CDGVRE4 TI

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 		8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
SN74CBT3345CDGVRG4 TI

获取价格

 		CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, TVSOP-20
SN74CBT3345CDW TI

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 		8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
SN74CBT3345CDWE4 TI

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 		8-BIT FET BUS SWITCH 5-V BUS SWITCH WITH -2-V UNDERSHOOT PROTECTION

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