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54ACT245

更新时间: 2024-02-28 16:54:10
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
8页 156K
描述
Octal Bidirectional Transceiver with TRI-STATE Inputs/Outputs

54ACT245 技术参数

生命周期:Obsolete包装说明:QCCN,
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.33其他特性:WITH DIRECTION CONTROL
系列:ACTJESD-30 代码:S-CQCC-N20
长度:8.89 mm负载电容(CL):50 pF
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:125 °C
最低工作温度:-55 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:CERAMIC, METAL-SEALED COFIRED
封装代码:QCCN封装形状:SQUARE
封装形式:CHIP CARRIER传播延迟(tpd):10 ns
认证状态:Not Qualified座面最大高度:1.905 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:MILITARY
端子形式:NO LEAD端子节距:1.27 mm
端子位置:QUAD宽度:8.89 mm

54ACT245 数据手册

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August 1998  
54AC245 54ACT245  
Octal Bidirectional Transceiver with TRI-STATE®  
Inputs/Outputs  
General Description  
Features  
n ICC and IOZ reduced by 50%  
n Noninverting buffers  
The ’AC/’ACT245 contains eight non-inverting bidirectional  
buffers with TRI-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 bidi-  
rectional 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.  
n Bidirectional data path  
n A and B outputs source/sink 24 mA  
n ’ACT245 has TTL-compatible inputs  
n Standard Microcircuit Drawing (SMD)  
— ’AC245: 5962-87758  
— ’ACT245: 5962-87663  
Logic Symbols  
IEEE/IEC  
DS100283-1  
DS100283-2  
Pin  
Description  
Names  
OE  
Output Enable Input  
T/R  
Transmit/Receive Input  
A0–A7  
B0–B7  
Side A TRI-STATE Inputs or TRI-STATE Outputs  
Side B TRI-STATE Inputs or TRI-STATE Outputs  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
FACT® is a registered trademark of Fairchild Semiconductor Corporation.  
© 1998 National Semiconductor Corporation  
DS100283  
www.national.com  

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