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74AC245PCX PDF预览

74AC245PCX

更新时间: 2024-09-21 13:04:51
品牌 Logo 应用领域
安森美 - ONSEMI /
页数 文件大小 规格书
10页 112K
描述
Bus Transceiver

74AC245PCX 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:DIP,Reach Compliance Code:compliant
风险等级:5.65系列:AC
JESD-30 代码:R-PDIP-T20长度:25.905 mm
逻辑集成电路类型:BUS TRANSCEIVER位数:8
功能数量:1端口数量:2
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
传播延迟(tpd):9 ns座面最大高度:5.33 mm
最大供电电压 (Vsup):6 V最小供电电压 (Vsup):2 V
标称供电电压 (Vsup):3.3 V表面贴装:NO
技术:CMOS温度等级:INDUSTRIAL
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

74AC245PCX 数据手册

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MC74AC245, MC74ACT245  
Octal Bidirectional  
Transceiver with 3−State  
Inputs/Outputs  
The MC74AC245/74ACT245 contains eight non−inverting  
bidirectional buffers with 3−state outputs and is intended for  
bus−oriented applications. Current sinking capability is 24 mA at both  
the A and B ports. The Transmit/Receive (T/R) input determines the  
direction of data flow through the bidirectional transceiver. Transmit  
(active−HIGH) enables data from A ports to B ports; Receive  
(active−LOW) enables data from B ports to A ports. The Output  
Enable input, when HIGH, disables both A and B ports by placing  
them in a High Z condition.  
http://onsemi.com  
PDIP−20  
N SUFFIX  
CASE 738  
1
Features  
Noninverting Buffers  
SOIC−20W  
DW SUFFIX  
CASE 751D  
Bidirectional Data Path  
A and B Outputs Source/Sink 24 mA  
ACT245 has TTL Compatible Inputs  
Pb−Free Packages are Available  
1
PIN ASSIGNMENT  
TSSOP−20  
DT SUFFIX  
CASE 948E  
PIN  
OE  
T/R  
FUNCTION  
Output Enable Input  
1
Transmit/Receive Input  
A −A  
Side A 3−State Inputs or 3−State Outputs  
Side B 3−State Inputs or 3−State Outputs  
0
7
B −B  
SOEIAJ−20  
M SUFFIX  
CASE 967  
0
7
TRUTH TABLES  
Inputs  
1
Outputs  
OE T/R  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 6 of this data sheet.  
L
L
H
L
H
X
Bus B Data to Bus A  
Bus A Data to Bus B  
High Z State  
DEVICE MARKING INFORMATION  
See general marking information in the device marking  
section on page 7 of this data sheet.  
H = HIGH Voltage Level  
L = LOW Voltage Level  
X = Immaterial  
V
OE  
19  
B
B
B
B
B
B
B
B
7
CC  
0
1
2
3
4
5
6
20  
18  
17  
16  
15  
14  
12  
13  
11  
1
2
3
4
5
6
7
9
8
10  
T/R  
A
A
A
A
A
A
A
A
7
GND  
0
1
2
3
4
5
6
Figure 1.  
©
Semiconductor Components Industries, LLC, 2006  
1
Publication Order Number:  
November, 2006 − Rev. 7  
MC74AC245/D  

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