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Logic Translators, Level Shifters

HEF4104BT,652 is a kind of logic translator or level shifter, which converts TTL voltage level into CMOS voltage level. The device is available in a 16-pin plastic dual in-line package.

Application Field

HEF4104BT,652 can be used to realize data exchange and communication between TTL and CMOS devices, adjust the level of digital signal, realize data transmission, even driving, and bridge between different logic circuits.

The device is suitable for digital systems with various bus formats, as well as standard and non-standard logic levels. It can be used in a variety of system applications, including data communication systems, programmable logic controllers, time counting and control systems and other digital systems.

Working Principle

The HEF4104BT,652 is an active, bidirectional logic level converter, which consists of four independent semi-fixed resistors at each port. With these resistors and an integrated driver, the converter can translate logic levels from low voltage logic to high voltage (or vice versa).

When the voltage of the A port and the B port is different, the device is enabled and the 8-bit digital output U and V will be output according to the input state of A and B. If the A port and B port voltage is the same, the device will be blocked and the U and V output will be floating.

Features and Advantages

The main features of HEF4104BT,652 include:

• High precision device parameters
• Ultra small area
• Wide operating voltage range.

The main advantages of HEF4104BT,652 include:

• Low noise and good output rise and fall time performance.
• Excellent output short-circuit protection
• Excellent electrical properties
• Low power consumption
• Multiple logic levels can be output

Conclusion

In conclusion, HEF4104BT,652 is a kind of logic translator or level shifter, which can convert TTL voltage level into CMOS voltage level. Its high precision device parameters, ultra small area, wide operating voltage range and low power consumption make it suitable for various digital systems.

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