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54ACQ240D PDF预览

54ACQ240D

更新时间: 2024-01-20 09:51:02
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动器
页数 文件大小 规格书
8页 148K
描述
Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs

54ACQ240D 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:5.35系列:AC
JESD-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 DRIVER
位数:4功能数量:2
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:INVERTED
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):12.5 ns认证状态:Not Qualified
座面最大高度:1.905 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):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 mmBase Number Matches:1

54ACQ240D 数据手册

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February 1999  
54ACQ240 54ACTQ240  
Quiet Series Octal Buffer/Line Driver with TRI-STATE®  
Outputs  
n Guaranteed simultaneous switching noise level and  
dynamic threshold performance  
General Description  
The ’ACQ/’ACTQ240 is an inverting octal buffer and line  
n Improved latch-up immunity  
driver designed to be employed as a memory address driver,  
n Inverting TRI-STATE outputs drive bus lines or buffer  
clock driver and bus oriented transmitter or receiver which  
memory address registers  
provides improved PC board density. The ’ACQ/’ACTQ uti-  
lizes NSC Quiet Series technology to guarantee quiet output  
switching and improve dynamic threshold performance.  
n Outputs source/sink 24 mA  
n Faster prop delays than the standard ’ACT240  
n 4 kV minimum ESD immunity  
n Standard Microcircuit Drawing (SMD)  
’ACTQ240: 5962-92184  
FACT Quiet Series features GTO output control and un-  
dershoot corrector in addition to a split ground bus for supe-  
rior performance.  
Features  
n ICC and IOZ reduced by 50%  
Logic Symbol  
Connection Diagrams  
IEEE/IEC  
Pin Assignment  
for DIP and Flatpak  
DS100235-2  
DS100235-1  
Pin Names  
OE1, OE2  
I0–I7  
Description  
TRI-STATE Output Enable Inputs  
Inputs  
Pin Assignment  
for LCC  
O0–O7  
Outputs  
DS100235-3  
GTO is a trademark of National Semiconductor Corporation.  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
FACT® is a registered trademark of Fairchild Semiconductor Corporation.  
FACT Quiet Series is a trademark of Fairchild Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS100235  
www.national.com  

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