18-Bit 3.3V Registered Buffer

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带按键扫描功能的动态LED显示驱动电路，显示模式7grids×10segs~4grids×13segs，键扫模式10×2.（*内置RC振荡器）

3-Cell, High-Efficiency, Step-Up DC/DC Converter

FEATURES 4V to 24V Input Voltage Operation. Adjustable Output Voltage. Low Quiescent Current at 100µA. Pulse-Skipping and Pulse-Frequency Modulation Maintain High Efficiency (max. 95). 90KHz to 250KHz Oscillator Frequency. Power-Saving Shutdown Mode (8µA Typical). Push-Pull

Clarification to the Serial I/O Control Register Description for the DSP1620/27/28/29 Devices

Active Clock Frequency The purpose of this advisory is to clarify the function of the serial I/O control registers in the DSP1620/27/28/29 devices. Specifically, it clarifies the function of the control register field that specifies the active clock frequency. The device data sheets state that th

LG1628AXA SONET/SDH 2.488 Gbits/s Transimpedance Amplifier

Functional Description The Lucent Technologies Microelectronics Group LG1628AXA is a hybrid integrated circuit that combines the Lucent LG1628A gallium arsenide (GaAs) transimpedance amplifier chip with an external Si dual operational amplifier and necessary filtering to achieve an ultrawide dyna

HIGH-EFFICIENCY STEP-UP DC-DC CONVERTER

DESCRIPTION The SC1628 is a high performance step-up DC-DC converter, designed to drive an external power switch to generate programmable positive voltages. In the particularly suitable LCD contrast bias and flash memory programming power supply applications, typical full load efficiencies are

HIGH-EFFICIENCY STEP-UP DC-DC CONVERTER

DESCRIPTION The SC1628 is a high performance step-up DC-DC converter, designed to drive an external power switch to generate programmable positive voltages. In the particularly suitable LCD contrast bias and flash memory programming power supply applications, typical full load efficiencies are