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74VHCT540AFT PDF预览

74VHCT540AFT

更新时间: 2024-11-04 20:38:39
品牌 Logo 应用领域
东芝 - TOSHIBA 驱动光电二极管逻辑集成电路
页数 文件大小 规格书
7页 183K
描述
74VHC Series

74VHCT540AFT 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:TSSOP包装说明:TSSOP,
针数:20Reach Compliance Code:unknown
HTS代码:8542.39.00.01Factory Lead Time:12 weeks
风险等级:2.2系列:AHCT/VHCT/VT
JESD-30 代码:R-PDSO-G20长度:6.5 mm
逻辑集成电路类型:BUS DRIVER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:INVERTED封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
传播延迟(tpd):9.5 ns座面最大高度:1.2 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:INDUSTRIAL
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4.4 mmBase Number Matches:1

74VHCT540AFT 数据手册

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74VHCT540AFT,74VHCT541AFT  
CMOS Digital Integrated Circuits Silicon Monolithic  
74VHCT540AFT,74VHCT541AFT  
1. Functional Description  
Octal Bus Buffer  
74VHCT540AFT: INVERTED, 3-STATE OUTPUTS  
74VHCT541AFT: NON-INVERTED, 3-STATE OUTPUTS  
2. General  
The 74VHCT540AFT and 541AFT are advanced high speed CMOS OCTAL BUS BUFFERs fabricated with  
silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent Bipolar Schottky  
TTL while maintaining the CMOS low power dissipation.  
The 74VHCT540AFT is an inverting type and, the 74VHCT541AFT is a non-inverting type.  
When either G1 or G2 are high, the terminal outputs are in the high-impedance state.  
The input voltage are compatible with TTL output voltage.  
These devices may be used as a level converter for interfacing 3.3 V to 5 V system.  
Input protection and output circuit ensure that 0 to 5.5 V can be applied to the input and output (Note) pins  
without regard to the supply voltage. These structure prevents device destruction due to mismatched supply and  
input/output voltages such as battery back up, hot board insertion, etc.  
Note: Output in off-state  
3. Features  
(1) High speed: Propagation delay time = 5.4 ns (typ.) at VCC = 5 V  
(2) Quiescent supply current: ICC = 4 µA (max) at Ta = 25  
(3) Compatible with TTL input: VIL = 0.8 V(max)  
VIH = 2.0 V(min)  
(4) Power down protection is provided on all inputs and outputs.  
(5) Balanced propagation delays: tPLH tPHL  
(6) Low noise: VOLP = 1.5 V (max)  
(7) Pin and function compatible with the 74 series  
(74ACT/HCT/AHCT etc.) 540/541 type.  
4. Packaging  
TSSOP20B  
2012-12-12  
Rev.1.0  
1

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