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參數(shù)資料
| 型號： | 74LVTH646 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Quadruple Positive-OR Gates With Schmitt-Trigger Inputs 14-PDIP -40 to 85 |
| 中文描述： | 低壓八路收發(fā)器/ 3注冊態(tài)輸出 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 78K |
| 代理商： | 74LVTH646 |
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www.fairchildsemi.com
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Functional Description
In the transceiver mode, data present at the HIGH impedance port may be stored in either the A or B register or both. The
select (SAB, SBA) controls can multiplex stored and real-time. The examples below demonstrate the four fundamental bus-
management functions that can be performed.
The direction control (DIR) determines which bus will receive data when OE is LOW. In the isolation mode (OE HIGH), A
data may be stored in one register and/or B data may be stored in the other register. When an output function is disabled,
the input function is still enabled and may be used to store and transmit data. Only one of the two busses, A or B, may be
driven at a time.
Real-Time Transfer
Bus B to Bus A
Transfer Storage
Data to A or B
Real-Time Transfer
Bus B to Bus A
Storage
OE
DIR
CPAB CPBA SAB SBA
L
L
X
X
X
L
OE
DIR
CPAB CPBA SAB SBA
L
L
X
H or L
X
H
L
H
H or L
X
H
X
OE
DIR
CPAB CPBA SAB SBA
L
H
X
X
L
X
OE
DIR
CPAB CPBA SAB SBA
L
H
X
L
X
L
L
X
X
L
H
X
X
X
X
H
X
X
X
X
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74LVTH646MTC | Quadruple Positive-OR Gates With Schmitt-Trigger Inputs 14-SO -40 to 85 |
| 74LVTH646WM | Quadruple Positive-OR Gates With Schmitt-Trigger Inputs 14-SO -40 to 85 |
| 74LVTH652 | Low Voltage Octal Transceiver/Register with 3-STATE Outputs |
| 74LVTH652MTC | Low Voltage Octal Transceiver/Register with 3-STATE Outputs |
| 74LVTH652WM | Low Voltage Octal Transceiver/Register with 3-STATE Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LVTH646_ZBB3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74LVTH646_ZBB3116B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74LVTH646MTC | 功能描述:總線收發(fā)器 Octal Trans/Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVTH646MTCX | 功能描述:總線收發(fā)器 Octal Trans/Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74LVTH646WM | 功能描述:總線收發(fā)器 Octal Trans/Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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