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參數(shù)資料
| 型號(hào)： | SN74CB3T3245DWG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | CB3T/3VT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | GREEN, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 554K |
| 代理商： | SN74CB3T3245DWG4 |
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
VCC
9VCC
5.5 V
0 V
NOTE A: If the input high-voltage (VIH) level is greater than or equal to (VCC 1 V) and less than or equal to 5.5 V,
then the output high-voltage (VOH) level will be equal to approximately the VCC voltage level.
Input Voltages
Output Voltages
0 V
9VCC 1 V
VCC
IN
OUT
CB3T
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
Figure 1. Typical DC Voltage Translation Characteristics
The SN74CB3T3245 is an 8-bit bus switch with a single ouput-enable (OE) input and a standard '245 pinout.
When OE is low, the 8-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data
flow between ports. When OE is high, the 8-bit bus switch is OFF, and a high-impedance state exists between
the A and B ports.
This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging
current will not backflow through the device when it is powered down. The device has isolation during power off.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
Tube
SN74CB3T3245DW
SOIC – DW
CB3T3245
Tape and reel
SN74CB3T3245DWR
SSOP (QSOP) – DBQ
Tape and reel
SN74CB3T3245DBQR
CB3T3245
–40
°C to 85°C
Tube
SN74CB3T3245PW
TSSOP – PW
KS245
Tape and reel
SN74CB3T3245PWR
TVSOP – DGV
Tape and reel
SN74CB3T3245DGVR
KS245
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
FUNCTION TABLE
INPUT
INPUT/OUTPUT
FUNCTION
OE
A
L
B
A port = B port
H
Z
Disconnect
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74CB3T3245DWR | 功能描述:數(shù)字總線開關(guān) IC 8-Bit FET 2.5/3.3V 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 |
| SN74CB3T3245DWRE4 | 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 |
| SN74CB3T3245DWRG4 | 功能描述:數(shù)字總線開關(guān) IC 8B FET 2.5V 3.3V 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 |
| SN74CB3T3245PW | 功能描述:數(shù)字總線開關(guān) IC 8-Bit FET 2.5/3.3V 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 |
| SN74CB3T3245PW | 制造商:Texas Instruments 功能描述:Translator / Logic Level Converter IC 制造商:Texas Instruments 功能描述:IC, 8BIT FET BUS SWITCH, TSSOP-20 |
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