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參數(shù)資料
| 型號(hào)： | 74LCX646 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Low Voltage CMOS Octal Bus Transceiver/Register with 5V Tolerant Inputs and Outputs(低壓八總線收發(fā)器/寄存器) |
| 中文描述： | 低電壓的CMOS八路總線收發(fā)器/有5V容限輸入和輸出寄存器（低壓八總線收發(fā)器/寄存器） |
| 文件頁(yè)數(shù)： | 4/13頁(yè) |
| 文件大?。?/td> | 120K |
| 代理商： | 74LCX646 |
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TRUTH TABLE
G
DIR CAB CBA SAB SBA
A
B
FUNCTION
H
X
INPUTS
Z
INPUTS
INPUTS
Z
INPUTS
Both the A bus and the B bus are inputs
The output functions of the A and B bus are disabled
Both the A and B bus are used as inputs to the
internal flip-flops. Data on the bus will be stored on
low to high transition of the clock inputs
OUTPUTS The A bus are inputs and the B bus are outputs
L
The data at the A bus are displayed on the B bus
H
L
The data on the A bus are displayed on the B bus.
The data on the A bus are stored in the A internal
flip-flop on low to high transition of th clock pulse.
X
X
X
X
X
X
L
H
INPUTS
L
H
L
H
X
X*
L
X
X*
L
X
H
X
X*
H
X
X
Qn
The data stored to the internal flip-flop are dispayed
on the B bus
The data on the A bus are stored in the A internal
flip-flop on low to high transition of the clock pulse.
The states of the A internal flip-flops propagate
directly to the B bus
X*
H
X
L
H
L
H
L
L
OUTPUTS
L
H
L
H
INPUTS
L
H
L
H
The B bus are inputs and the A bus are outputs
The data on the B bus are displayed on the A bus
X*
X
X
L
X*
X
L
The data on the B bus are displayed on the A bus.
The data on the B bus are stored on the B internal
flip-flop on low to high transition of the clock pulse
X*
X
X
H
Qn
X
The data stored in the B internal flip-flops are
displayed on the A bus
the data on the B bus are stored in the B internal flip-
flop on low to high transition of the clock pulse. The
states of the B internal flip-flops propagate output
directly to the A bus
x*
X
H
L
H
L
H
X
Z
Qn :THEDATASTORED TOTHEINTERNALFLIP-FLOPSBYMOSTRECENTLOW TOHIGHTRANSITIONOFTHECLOCK INPUTS
*
: THEDATAATTHEA ANDB BUSWILL BESTOREDTOTHE INTERNALFLIP-FLOPSON EVERY LOW TOHIGH TRANSITIONOF
THECLOCK INPUTS
:DON’TCARE
: HIGHIMPEDANCE
74LCX646
4/13
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PDF描述 |
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| 74LCX652 | Low Voltage CMOS Octal Bus Transceiver/Register with 5V Tolerant Inputs and Outputs(低壓八總線收發(fā)器/寄存器) |
| 74LCX74MTR | LOW VOLTAGE CMOS DUAL D-TYPE FLIP FLOP WITH 5V TOLERANT INPUTS |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LCX646MSA | 功能描述:總線收發(fā)器 Octal Trans/Register RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)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(lèi)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(shí)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 |
| 74LCX646MSA_Q | 功能描述:總線收發(fā)器 Octal Trans/Register RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)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(lèi)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(shí)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 |
| 74LCX646MSAX | 功能描述:總線收發(fā)器 Octal Trans/Register RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)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(lèi)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(shí)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 |
| 74LCX646MTC | 功能描述:總線收發(fā)器 Octal Trans/Register RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)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(lèi)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(shí)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 |
| 74LCX646MTCX | 功能描述:總線收發(fā)器 Octal Trans/Register RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)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(lèi)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(shí)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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