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Latches & Registers | MC14511B
概览
MC14511B BCD-7 段锁存/解码器/驱动器在一个单片结构中使用互补 MOS (CMOS) 增强模式器件和 NPN 双击输出驱动器构造。该电路提供 4 位存储锁存、8421 BCD-7 段解码器和输出驱动器的功能。灯测试 (LTbar)、间隔 (BIbar) 和锁存启用 (LE) 输入分别用于测试显示屏、关闭或脉冲调制显示屏的亮度，以及存储 BCD 编码。它还可直接或间接用于七段发光二极管 (LED)、白炽灯、荧光灯、气体排放或液晶显示。应用包括仪器（如计数器、DVM 等）显示驱动器、计算机/计算器显示驱动器、操舵显示驱动器和各种时钟、表和计时器。
- Low Logic Circuit Power Dissipation
- High-Current Sourcing Outputs (Up to 25 mA)
- Latch Storage of Code
- Blanking Input
- Lamp Test Provision
- Readout Blanking on all Illegal Input Combinations
- Lamp Intensity Modulation Capability
- Time Share (Multiplexing) Facility
- Supply Voltage Range = 3.0 V to 18 V
- Capable of Driving Two Low-power TTL Loads, One Low-power Schottky TTL Load or Two HTL Loads Over the Rated Temperature Range
- Chip Complexity: 216 FETs or 54 Equivalent Gates
- Triple Diode Protection on all Inputs
- These devices are available in Pb-free package(s). Specifications herein apply to both standard and Pb-free devices. Please see our website at www.onsemi.com for specific Pb-free orderable part numbers, or contact your local ON Semiconductor sales office or representative.
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