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SN74CB3T3245PWRG4

更新时间： 2024-01-11 06:34:41
品牌 Logo 应用领域
德州仪器 - TI 总线驱动器总线收发器转换器电平转换器开关逻辑集成电路光电二极管
页数 文件大小 规格书
18页 357K
描述
8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE WITH 5-V TOLERANT LEVEL SHIFTER

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SN74CB3T3245PWRG4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：TSSOP, TSSOP20,.25
针数：20Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.28
其他特性：ALSO OPERATES AT 3.3V SUPPLY系列：CB3T/3VT
JESD-30 代码：R-PDSO-G20JESD-609代码：e4
长度：6.5 mm逻辑集成电路类型：BUS DRIVER
湿度敏感等级：1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：TSSOP封装等效代码：TSSOP20,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：2.5/3.3 V
传播延迟（tpd）：0.25 ns认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Bus Driver/Transceivers
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：2.3 V
标称供电电压 (Vsup)：2.5 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：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

SN74CB3T3245PWRG4 数据手册

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SN74CB3T3245  
8-BIT FET BUS SWITCH  
2.5-V/3.3-V LOW-VOLTAGE WITH 5-V-TOLERANT LEVEL SHIFTER  
www.ti.com  
SCDS136–OCTOBER 2003–REVISED MARCH 2005  
FEATURES  
•
•
VCC Operating Range From 2.3 V to 3.6 V  
•
•
•
Standard '245-Type Pinout  
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)  
Output Voltage Translation Tracks VCC  
•
•
•
•
Control Inputs Can Be Driven by TTL or  
5-V/3.3-V CMOS Outputs  
Supports Mixed-Mode Signal Operation on All  
Data I/O Ports  
Ioff Supports Partial-Power-Down Mode  
Operation  
– 5-V Input Down to 3.3-V Output Level Shift  
With 3.3-V VCC  
Latch-Up Performance Exceeds 250 mA  
Per JESD 17  
– 5-V/3.3-V Input Down to 2.5-V Output Level  
Shift With 2.5-V VCC  
ESD Performance Tested Per JESD 22  
•
•
•
•
•
•
5-V-Tolerant I/Os With Device Powered Up or  
Powered Down  
– 2000-V Human-Body Model (A114-B,  
Class II)  
Bidirectional Data Flow With Near-Zero  
Propagation Delay  
– 1000-V Charged-Device Model (C101)  
Low ON-State Resistance (ron) Characteristics  
(ron = 5 Ω Typ)  
•
•
Supports Digital Applications: Level  
Translation, PCI Interface, USB Interface,  
Memory Interleaving, Bus Isolation  
Low Input/Output Capacitance Minimizes  
Loading (Cio(OFF) = 5 pF Typ)  
Ideal for Low-Power Portable Equipment  
Data and Control Inputs Provide Undershoot  
Clamp Diodes  
Low Power Consumption (ICC = 40 µA Max)  
DBQ, DGV, DW, OR PW PACKAGE  
(TOP VIEW)  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
NC  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
CC  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
GND  
NC − No internal connection  
DESCRIPTION/ORDERING INFORMATION  
The SN74CB3T3245 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron), allowing  
for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by  
providing voltage translation that tracks VCC. The SN74CB3T3245 supports systems using 5-V TTL, 3.3-V  
LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels (see Figure 1).  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2003–2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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SN74CB3T3245PWRG4 替代型号

型号 品牌 替代类型 描述 数据表
SN74CB3T3245DWRG4 TI

完全替代

 8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE WITH 5-V TOLERANT LEVEL SHIFTER
SN74CB3T3245DWG4 TI

完全替代

 8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE WITH 5-V TOLERANT LEVEL SHIFTER
SN74CB3T3245DWR TI

完全替代

 8-BIT FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE BUS SWTCH WITH 5-V-TOLERANK LEVEL SHIFTER

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