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參數(shù)資料
| 型號(hào)： | 74ALS646-1N |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | Transceiver/register |
| 中文描述： | ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-24 |
| 文件頁(yè)數(shù)： | 4/13頁(yè) |
| 文件大?。?/td> | 155K |
| 代理商： | 74ALS646-1N |
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Philips Semiconductors
Product specification
74ALS646/74ALS646-1
74ALS648/74ALS648-1
Transceiver/register
1991 Feb 08
4
BUS MANAGEMENT FUNCTIONS
The following examples demonstrate the four fundamental
bus-management functions that can be performed with the
74ALS646/646-1 and 74ALS648/648-1.
The select pins determine whether data is stored or transferred
through the device in real time.
The DIR determines which bus will receive data when the OE pin is
Low.
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 |
|---|---|
| 74ALS646D | Transceiver/register |
| 74ALS646N | Transceiver/register |
| 74ALS648 | Transceiver/register |
| 74ALS648-1 | Transceiver/register |
| 74ALS648-1D | Transceiver/register |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ALS646D | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS646FN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74ALS646N | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS647-1NT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| 74ALS648 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Transceiver/register |
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