SN74AS21D

Current - Output High, Low:	2mA, 20mA
Base Part Number:	74AS21
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SOIC
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Max Propagation Delay @ V, Max CL:	6ns @ 5V, 50pF
Logic Level - High:	2V
Logic Level - Low:	0.8V
Series:	74AS
Voltage - Supply:	4.5 V ~ 5.5 V
Features:	--
Number of Inputs:	4
Number of Circuits:	2
Logic Type:	AND Gate
Part Status:	Active
Packaging:	Tube

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Introduction: SN74AS21D is a bipolar integrated circuit with two×101 inputs and one×10 outputs. It has two independent 2×101 NAND gates and invert circuits. It is integrated on a single chip and can be used for logic functions performances. Application Field: SN74AS21D can be used in a wide range of applications, including logic functions, conversion circuits, timing circuits, and more. It is suited particularly for applications that require high-speed, high-precision performance. In addition, SN74AS21D is also suitable for multiple uses, such as audio and video systems, hand-held devices, and other consumer electronics.Working Principle: SN74AS21D has two independent 2×101 NAND gates and invert circuits. It process signals at 5V and accepts five input signals:A0, A1, B0, B1, and V DD . The output signal from the NAND gates is indicated by DN, and the outputs from the invert circuits are indicated by DL and DH. The SN74AS21D is configured to operate with either a positive logic signal or a negative logic signal. When the positive logic signal is applied to the input pins, the logic level of the output pins is the opposite of the logic level of the input pins. When the negative logic signal is applied to the input pins, the logic level of the output pins is the same as the logic level of the input pins. Therefore, the SN74AS21D can be used to control the operation of a circuit, depending on the logic level of the input pins.The SN74AS21D is also capable of operating at high speeds. The propagation time between the input signals and the output signal is fast, allowing the device to quickly respond to changes in logic level. Furthermore, SN74AS21D has a low power consumption, which makes it suitable for applications such as portable and hand-held devices. Conclusion: SN74AS21D is a highly reliable, high-speed, and low-power device, designed for a wide range of applications. It can be used for logic functions, conversion circuits, timing circuits, and more. The SN74AS21D is suitable for multiple uses and can process signals at 5V. It is suitable for multiple uses, such as audio and video systems, hand-held devices, and other consumer electronics. Therefore, SN74AS21D is an ideal choice for many applications.

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