HEF4894BT,118

Series:	4000B
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	Shift Register
Output Type:	Open Drain
Number of Elements:	1
Number of Bits per Element:	12
Function:	Serial to Parallel, Serial
Voltage - Supply:	3 V ~ 15 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SO
Base Part Number:	4894

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HEF4894BT, 118 Application Field and Working Principle

The HEF4894BT is a high-performance, low-power, logic shift register that has many uses in different applications. It is part of the family of low-power, high-speed logic shift registers from NXP. This device is suitable for various applications such as data signal reduction, statistical analysis, decoders, sequencers, radar signal processing, data compressing and digital filters. The device is furnished in a 14-pin plastic DIP package that is designed to interface with other logic-based systems. As with other digital logic devices, the HEF4894BT is composed of a set of interconnected flip-flops and gates. This device is clocked, meaning that the data stored in its registers is only transferred and stored when it receives a clock signal. The block diagram of the register shows the mapping of the logic gates, registers and clock signal that is used to power the device. The HEF4894BT is a parallel, logic-based shift register that can store up to 118 individual bits of data. The register is composed of several non-overlapping flip-flops that are connected in series with a clock signal. Each flip-flop has two data inputs, an output, a clock and an enable signal. The data is entered into the flip-flop and then shifted through to subsequent flip-flops before finally being output. The shift register is clocked such that each bit of data is transferred in a predefined amount of time. For example, if the clock frequency is set to 25 MHz, each bit is shifted in 40ns. The data is transferred by changing the logic state of each flip-flop in succession. The main advantage of using a shift register is that it allows for rapid data transfer between multiple modules. The HEF4894BT also has an optional strobe signal that can be enabled to allow it to operate in a synchronous mode. With this mode, the register will accept and output data with each clock pulse, rather than performing all the transfers at once. This allows for faster data processing and can be useful for certain applications such as data signal reduction, statistical analysis, decoders and digital filters. The HEF4894BT is a low-power shift register that has been designed to be used in a variety of applications. Its output can be used to interface directly with other logic systems, or be used as inputs for various digital signal processing circuits. With its low-power consumption and high-performance architecture, the HEF4894BT is ideal for use in various systems that require the rapid transfer of data.

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