TEXAS INSTRUMENTS CD4504BE CMOS Logic Level Shifter IC, DIP16

The TEXAS INSTRUMENTS CD4504BE is a sophisticated hex voltage level-shifter integrated circuit, a vital component for interfacing different logic families within electronic systems. Its core function is to bridge communication between circuits operating at different voltage levels, ensuring signal integrity and reliable data transfer. The device contains six independent circuits, each capable of shifting input signals from the VCC logic level to the VDD logic level.

A key feature is its versatile shifting capability, controlled by the SELECT input. To shift standard TTL (Transistor-Transistor Logic) signals to CMOS (Complementary Metal-Oxide-Semiconductor) logic levels, the SELECT input is set to the VCC HIGH logic state. When SELECT is in a LOW logic state, each circuit translates signals from one CMOS level to another, making it incredibly flexible for mixed-signal environments.

This IC is engineered with robust protection and performance in mind. It features up and down level-shifting capability, meaning it can handle bidirectional voltage translation. The shiftable input threshold ensures compatibility with either CMOS or TTL logic families without external components. It also boasts standardized symmetrical output characteristics for predictable performance across all six channels.

Specifications and Performance

• Power Supply: The device offers excellent power supply sequence flexibility, as VCC can exceed VDD, and input signals can safely exceed both VCC and VDD voltages.
• Testing & Quality: It is 100% tested for quiescent current at 20V, guaranteeing low power consumption in standby mode. Input current is exceptionally low, with a maximum of 1µA at 18V over the full temperature range.
• Robust Ratings: It carries 5V, 10V, and 15V parametric ratings and operates reliably across a wide temperature range from -55°C to 125°C, suitable for industrial and automotive applications.