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參數(shù)資料
| 型號： | SN74CB3T3257PW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | CB3T/3VT SERIES, QUAD 1 LINE TO 2 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO16 |
| 封裝： | GREEN, PLASTIC, TSSOP-16 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大小： | 389K |
| 代理商： | SN74CB3T3257PW |
www.ti.com
FEATURES
DGV OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
S
1B1
1B2
1A
2B1
2B2
2A
GND
VCC
OE
4B1
4B2
4A
3B1
3B2
3A
DESCRIPTION/ORDERING INFORMATION
SN74CB3T3257
4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER
2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER
SCDS149 – OCTOBER 2003 – REVISED MARCH 2005
Low Power Consumption (ICC = 20 A Max)
Output Voltage Translation Tracks VCC
VCC Operating Range From 2.3 V to 3.6 V
Supports Mixed-Mode Signal Operation on All
Data I/Os Support 0- to 5-V Signaling Levels
Data I/O Ports
(0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)
– 5-V Input Down to 3.3-V Output Level Shift
Control Inputs Can Be Driven by TTL or
With 3.3-V VCC
5-V/3.3-V CMOS Outputs
– 5-V/3.3-V Input Down to 2.5-V Output Level
Ioff Supports Partial-Power-Down Mode
Shift With 2.5-V VCC
Operation
5-V-Tolerant I/Os With Device Powered Up or
Latch-Up Performance Exceeds 250 mA Per
Powered Down
JESD 17
Bidirectional Data Flow With Near-Zero
ESD Performance Tested Per JESD 22
Propagation Delay
– 2000-V Human-Body Model
Low ON-State Resistance (ron) Characteristics
(A114-B, Class II)
(ron = 5 Typ)
– 1000-V Charged-Device Model (C101)
Low Input/Output Capacitance Minimizes
Supports Digital Applications: Level
Loading (Cio(OFF) = 5 pF Typ)
Translation, USB Interface, Memory
Data and Control Inputs Provide Undershoot
Interleaving, Bus Isolation
Clamp Diodes
Ideal for Low-Power Portable Equipment
The SN74CB3T3257 is a high-speed TTL-compatible FET multiplexer/demultiplexer 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 SN74CB3T3257 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).
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
Tube
SN74CB3T3257PW
TSSOP – PW
KS257
–40
°C to 85°C
Tape and reel
SN74CB3T3257PWR
TVSOP – DGV
Tape and reel
SN74CB3T3257DGVR
KS257
(1)
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.
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74CB3T3257PWE4 | 功能描述:數(shù)字總線開關(guān) IC 4-Bit 1-OF-2 FET Mltplx/Demultplxr RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| SN74CB3T3257PWG4 | 功能描述:數(shù)字總線開關(guān) IC 4B 2.5 V 3.3 V LO VLTG BUS SWITCH RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| SN74CB3T3257PWR | 功能描述:數(shù)字總線開關(guān) IC 4-Bit 1-OF-2 FET Mltplx/Demultplxr RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| SN74CB3T3257PWRE4 | 功能描述:數(shù)字總線開關(guān) IC 3.3-V ABT Octal Bus Trncvr W/3-St Otpt RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| SN74CB3T3257PWRG4 | 功能描述:數(shù)字總線開關(guān) IC 4B 2.5 V 3.3 V LO VLTG BUS SWITCH RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
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