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參數(shù)資料
| 型號： | 74F646A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal transceiver/register, inverting(3-State)(八收發(fā)器/寄存器，（反相，三態(tài)）) |
| 中文描述： | 八路收發(fā)器/寄存器，反相（3態(tài)）（八收發(fā)器/寄存器，（反相，三態(tài)）） |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 121K |
| 代理商： | 74F646A |
Philips Semiconductors
Product specification
74F646/A/74F648/A
Transceivers/registers
1990 Sep 25
6
The following examples demonstrate the four fundamental
bus–management functions that can be performed with the
74F646/646A and 74F648/648A. The select pins determine whether
data is stored or transferred through the device in real time. The
output enable pins determine the direction of the data flow.
BUS MANAGEMENT FUNCTIONS
REAL TIME BUS TRANSFER
BUS B TO BUS A
REAL TIME BUS TRANSFER
BUS A TO BUS B
STORAGE FROM
A, B, OR A AND B
TRANSFER STORED DATA
TO A AND/OR B
OE DIR CPABCPBA SAB SBA
L
L
X
X
X
L
BUS A
BUS A
BUS A
BUS A
BUS B
BUS B
BUS B
BUS B
OE DIR CPABCPBA SAB SBA
L
H
X
X
L
X
OE DIR CPABCPBA SAB SBA
X
X
↑
X
X
X
H
X
↑
X
↑
↑
X
X
X
X
X
X
OE DIR CPABCPBA SAB SBA
L
L
X
H or L
L
H
H or L
X
H
H
X
X
SF00392
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F648 | Octal transceiver/register, inverting(3-State)(八通道收發(fā)器/寄存器，反向（三態(tài)）) |
| 74F648A | Octal transceiver/register, non-inverting(3-State)(八通道收發(fā)器/寄存器，同向（三態(tài)）) |
| 74F649 | Octal transceiver/register, non-inverting open-collector |
| 74F647 | Octal transceiver/register, non-inverting open-collector |
| 74F64 | 4-2-3-2-input AND-OR-invert gate |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F646B | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Transceiver/Register with 3-STATE Outputs |
| 74F646BFCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
| 74F646BFCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
| 74F646BFMQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
| 74F646BFMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs |
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