SN74ALS109ANG4

Max Propagation Delay @ V, Max CL:	18ns @ 5V, 50pF
Base Part Number:	74ALS109
Package / Case:	16-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 70°C (TA)
Current - Quiescent (Iq):	4mA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	400µA, 8mA
Trigger Type:	Positive Edge
Series:	74ALS
Clock Frequency:	34MHz
Number of Bits per Element:	1
Number of Elements:	2
Output Type:	Differential
Type:	JK Type
Function:	Set(Preset) and Reset
Part Status:	Active
Packaging:	Tube

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Introduction

The SN74ALS109ANG4 is an advanced low-power two-phase clocked latch, which is used to store data in digital devices such as PCs, laptops, and other digital apparatus. Its advanced logic enables the device to store data quickly and accurately and is suitable for applications that demand longer-term storage or repeatability. This device has a wide range of useful applications, owing to its robust design and operational features.

Features

The SN74ALS109ANG4 has the following features:

• Low power consumption (typically 4.595 Watt at trigger temperature)
• High noise immunity
• Wide input voltage range (1.9 volt to 8.0 volt)
• High registration speed (1.2 nanoseconds)
• Schmitt-trigger input with hysteresis
• Wide temperature range (– 55 °C to + 125 °C)
• Low speed operation (not recommended for high speed operation)

Application Field

The SN74ALS109ANG4 is primarily used as a latch in digital devices. It is suitable for applications where data must be held for a long time and must be repeatable. It is also used in applications where the device needs to handle high noise immunity and wide input voltage ranges. It is often used in memory applications, such as registers, buffers, and shift registers. It is also used as a logic gate in microprocessors, FPGAs, and other digital systems.

Working Principle

The SN74ALS109ANG4 works by using two clock inputs and two control inputs. The two clock inputs control the internal clock that is used by the device. The two control inputs determine the logic of the device. When the device is in the “set” state, the output will be high. When the device is in the “reset” state, the output will be low. When the device is in the “hold” state, the output will remain unchanged.The device is triggered whenever a high-to-low transition is detected on one of the two clock inputs. The control inputs can be used to control the operation of the device. For example, when both control inputs are high, the device will latch the data, and when both control inputs are low, the device will reset the data.The SN74ALS109ANG4 is a high-speed device and is typically used in applications that require data to be held for longer periods of time. The device can be used in a variety of applications, such as memory, logic, and other digital systems.

Conclusion

The SN74ALS109ANG4 is an advanced low-power two-phase clocked latch that is used to store data in digital devices. It has a wide range of applications due to its robust design and features. It is often used in memory applications, such as registers, buffers, and shift registers. It also works by using two clock inputs and two control inputs, which can control the logic of the device. The device is capable of latching and resetting data quickly and accurately and is suitable for applications that demand longer-term storage and repeatability.

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