SN74ALS688N

Series:	74ALS
Packaging:	Tube
Part Status:	Active
Type:	Identity Comparator
Number of Bits:	8
Output:	Active Low
Output Function:	A=B
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	2.6mA, 24mA
Max Propagation Delay @ V, Max CL:	20ns @ 5V, 50pF
Operating Temperature:	0°C ~ 70°C
Package / Case:	20-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Base Part Number:	74ALS688

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Logic comparators are devices that compare two digital input signals to each other and then output a single digital signal, which indicates which of the two inputs is higher. Logic comparators are commonly used in electronic systems, such as computer systems and other circuits requiring logic level detection. The SN74ALS688N is a high-performance 8-bit TTL/MSI logic comparator with synchronization capability. It is a low power Dual-In-Line (DIP) logic IC with TTL compatibility, suitable for applications requiring accurate logic level detection, such as general logic design, memory testing, and computer timing circuits. The SN74ALS688N logic comparator is made up of an 8-bit comparator and two synchronization sections, for the two logic inputs to be compared. There are eight individual input channels for each of the two inputs to be compared, these 8-bit channels are then matched against each other in the comparator section, resulting in a single digital output. The SN74ALS688N is designed to compare two parallel 8-bit bytes and can be used in applications where two 8- bit words must be compared for equality or inequality. These two words are connected to the two logic inputs; each logic input can have 8 bits of data. The 8-bit comparator in the device then compares the two 8-bit words and outputs the result on the output. The SN74ALS688N also has two synchronization sections; one to synchronize the data transfer between the two inputs and the other to synchronize the output of the 8-bit comparator. These synchronization sections allow the comparator to operate at fast speeds, with low propagation delays. The SN74ALS688N logic comparator can be used in many different applications, such as data comparison, alarm systems, computer memory kits, logic design, and communication networks. In data comparison applications, the SN74ALS688N can be used to compare the output of two sensors, for example, the temperature of a room and the temperature of the air outside. In alarm systems, the SN74ALS688N can be used to detect when a certain threshold is crossed and then output a signal to trigger an alarm. It can also be used to detect when a memory access has failed. In communication networks, the SN74ALS688N logic comparator can be used to detect errors in data transmission and take action to avoid or mitigate the errors. This type of comparator is usually used in high speed communication systems, to detect errors even when the data is being transmitted at high speeds. The SN74ALS688N logic comparator is a useful device that can be used in many different applications. It is a low power device, which can operate at fast speeds, allowing it to be used in a wide range of electronic systems. The 8-bit comparator can detect errors in data transmission and take action, making it a must have tool for many applications.

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