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参数资料
| 型号： | SN74CB3T3245DWE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | CB3T/3VT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封装： | GREEN, PLASTIC, SOIC-20 |
| 文件页数： | 1/19页 |
| 文件大小： | 554K |
| 代理商： | SN74CB3T3245DWE4 |
www.ti.com
FEATURES
DBQ, DGV, DW, OR PW PACKAGE
(TOP VIEW)
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20
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NC
A1
A2
A3
A4
A5
A6
A7
A8
GND
VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8
NC No internal connection
DESCRIPTION/ORDERING INFORMATION
SN74CB3T3245
8-BIT FET BUS SWITCH
2.5-V/3.3-V LOW-VOLTAGE WITH 5-V-TOLERANT LEVEL SHIFTER
SCDS136 – OCTOBER 2003 – REVISED MARCH 2005
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
Supports Mixed-Mode Signal Operation on All
5-V/3.3-V CMOS Outputs
Data I/O Ports
Ioff Supports Partial-Power-Down Mode
– 5-V Input Down to 3.3-V Output Level Shift
Operation
With 3.3-V VCC
Latch-Up Performance Exceeds 250 mA
– 5-V/3.3-V Input Down to 2.5-V Output Level
Per JESD 17
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
Supports Digital Applications: Level
(ron = 5 Typ)
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 A Max)
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74CB3T3245DWG4 | 功能描述:数字总线开关 IC 8B FET 2.5V 3.3V LO VLTG 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 |
| SN74CB3T3245DWR | 功能描述:数字总线开关 IC 8-Bit FET 2.5/3.3V Lo-Vltg 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 |
| SN74CB3T3245DWRE4 | 功能描述:数字总线开关 IC 3.3-V ABT Octal Bus Trncvr W/3-St Otpt 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 |
| SN74CB3T3245DWRG4 | 功能描述:数字总线开关 IC 8B FET 2.5V 3.3V LO VLTG 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 |
| SN74CB3T3245PW | 功能描述:数字总线开关 IC 8-Bit FET 2.5/3.3V Lo-Vltg 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 |
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