HCF4070BEY

Current - Output High, Low:	6.8mA, 6.8mA
Base Part Number:	4070
Package / Case:	14-DIP (0.300", 7.62mm)
Supplier Device Package:	14-DIP
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 125°C
Max Propagation Delay @ V, Max CL:	100ns @ 15V, 50pF
Logic Level - High:	3.5 V ~ 11 V
Logic Level - Low:	1.5 V ~ 4 V
Series:	4000B
Current - Quiescent (Max):	20µA
Voltage - Supply:	3 V ~ 20 V
Features:	--
Number of Inputs:	2
Number of Circuits:	4
Logic Type:	XOR (Exclusive OR)
Part Status:	Obsolete
Packaging:	Tube

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Introduction

HCF4070BEY is a 14-pin In-System Programmable (ISP) CMOS NAND gate logic chip. It is part of the 4000 CMOS Logic Family, and is specifically a quad two-input NAND gate. The logic gates built in this chip are not combinatorial, but are synchronous edge-triggered D-type flip-flops. The HCF4070BEY is a member of the HCF, or HEX, series of ICs manufactured by STMicroelectronics and carries the same core features as other chips in the series.

Application Fields

HCF4070BEY is commonly used in digital transmission networks such as local area networks (LANs) and wide-area networks (WANs). It can also be used in microcontroller and microprocessor systems. The chip can be used as a data buffer, latch, register, or memory in various digital designs. Additionally, the chip is capable of being used as a debouncing circuit to eliminate false wirings in digital systems.

Working Principle

HCF4070BEY consists of two inverters and two D-type flip-flops, which are connected together in a NAND gate logic configuration. It consists of two input pins A and B and two output pins C and D. When the inputs A and B are both high, the output pins C and D will both be low. If either A or B are low, C and D will both be high. When the inputs A and B transition from a high to a low logic level, the output signals C and D will be inverted. This chip can also be used to create synchronous logic gates as well as asynchronous logic gates. The main purpose of using HCF4070BEY is to provide logic conversion in digital circuitry. Digital logic circuits usually have signals that are either logically high or low. Digital systems require these signals to be converted to ensure they are connected to corresponding systems in the correct manner. This chip can be used to convert digital data between logic levels and other states.

Conclusion

In summary, HCF4070BEY is a 14-pin In-System Programmable (ISP) CMOS NAND gate logic chip. It is used in digital transmission networks such as local area networks (LANs) and wide-area networks (WANs) as well as in microcontroller and microprocessor systems. It can also be used to create Debouncing circuits and synchronous logic gates. The main purpose of using HCF4070BEY is to provide logic conversion in digital circuitry.

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