- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄360441 > 74F642 (NXP Semiconductors N.V.) Transceivers PDF資料下載
參數(shù)資料
| 型號： | 74F642 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Transceivers |
| 中文描述： | 收發(fā)器 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 92K |
| 代理商： | 74F642 |
Philips Semiconductors
Product specification
74F641/74F642*
Transceivers
1999 Jan 08
4
* Discontinued part. Please see the Discontinued Products List.
LOGIC DIAGRAM – 74F641
V
=
GND =
Pin 20
Pin 10
SF01149
T/R
2
3
4
18
17
16
15
14
13
12
B0
B1
B4
B5
B6
B7
OE
A1
A4
A5
A6
A7
B2
B3
A3
A2
5
6
7
8
A0
11
9
19
1
LOGIC DIAGRAM – 74F642
V
=
GND =
Pin 20
Pin 10
SF01150
T/R
2
3
4
18
17
16
15
14
13
12
B0
B1
B4
B5
B6
B7
OE
A1
A4
A5
A6
A7
B2
B3
A3
A2
5
6
7
8
A0
11
9
19
1
FUNCTION TABLE – 74F641
INPUTS
INPUTS/OUTPUTS
OE
T/R
An
Bn
L
L
A=B
INPUTS
H
H
INPUTS
B=A
H
X
OFF
OFF
H =
L
X =
OFF= High if pull-up resistor is connected to open collector output
High voltage level
Low voltage level
Don’t care
=
FUNCTION TABLE – 74F642
INPUTS
INPUTS/OUTPUTS
OE
T/R
An
Bn
L
L
A=B
INPUTS
H
H
INPUTS
B=A
H
X
OFF
OFF
H =
L
X =
OFF= High if pull-up resistor is connected to open collector output
High voltage level
Low voltage level
Don’t care
=
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F646SDC | Single 8-bit Bus Transceiver |
| 54F646DMQB | BUS TRANSCEIVER|SINGLE|8-BIT|F-TTL|DIP|24PIN|CERAMIC |
| 54F646FMQB | BUS TRANSCEIVER|SINGLE|8-BIT|F-TTL|FP|24PIN|CERAMIC |
| 54F646LMQB | Single 8-bit Bus Transceiver |
| 54F648FMQB | Single 8-Bit Inverting Bus Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F643PC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Inverting/Non-Inverting Bus Trasceiver |
| 74F643PCQR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Inverting/Non-Inverting Bus Trasceiver |
| 74F643SC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Inverting/Non-Inverting Bus Trasceiver |
| 74F645 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Bus Transceiver with 3-STATE Outputs |
| 74F645 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
發(fā)布緊急采購，3分鐘左右您將得到回復。