Max Propagation Delay @ V, Max CL:	6.2ns @ 3.3V, 50pF
Base Part Number:	74LCXH16374
Package / Case:	48-TFSOP (0.240", 6.10mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Input Capacitance:	7pF
Current - Quiescent (Iq):	20µA
Voltage - Supply:	2 V ~ 3.6 V
Current - Output High, Low:	24mA, 24mA
Trigger Type:	Positive Edge
Series:	74LCXH
Clock Frequency:	170MHz
Number of Bits per Element:	8
Number of Elements:	2
Output Type:	Tri-State, Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Obsolete
Packaging:	Tube

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Introduction of 74LCXH16374MTD

74LCXH16374MTD is a type of Dual JK Flip Flop (also known as logic Gen-lockable Flip Flop) incorporated into a single small-outline integrated circuit (SOIC) package. It is a type of logic circuit that consists of two JK flip-flops, with both inputs having a logic high enable input. It is designed specifically for use in low voltage applications such as small-outline integrated circuit (SOIC) packages where short setup and hold times enable high speed performance at moderate cost. This can be especially useful in applications such as discrete I/O and memory circuits, where reliable operation of the latches is essential.

Applications of 74LCXH16374MTD

Due to its small size, one of the major advantages of 74LCXH16374MTD is its suitability for a wide range of applications in low-power, small-scale circuitry. The latch can be used in numerous applications, including DMMs (multimeter), analog to digital converters, and anti-theft systems. It is also often used in digital logic circuits such as binary counters and shift registers, as well as memory arrays and synchronous memories control - including memories used in digital radios and televisions. Additionally, the dual JK flip-flop can be used in applications such as synchronous buses for data acquisition, audio playback, and even digital-to-analog converters.

Working Principle of 74LCXH16374MTD

The basic purpose of the 74LCXH16374MTD is to store a single bit of data as binary value. When the enable input is low, the latch is disabled and assumes the state established by the preset and clear inputs while the enable input is high. When the enable input is high, the latch will continually cascade the bit represented by the J and K inputs. It can produce an output on the rising or falling edge of the clock signal, depending on the state of the J and K inputs at the clock’s rising or falling edge. The logic truth table for this dual JK flip-flop latch is as follows:|Enable |Preset|Clear |J |K |Next Output (Q) ||--------|------|------|-----|-----|----------------||L |H |L |L |L |Unchanged ||L |H |H |L |L |0 ||L |L |H |L |L |1 ||H |N/A |N/A |TOGGLE|TOGGLE|TOGGLE |The table shows that when both the preset and clear inputs are at logic 1, the latch will output a logic 0. When preset is logic 0, and clear is logic 1, the latch will output a logic 1. When both the preset and clear inputs are logic 0, and the enable input is logic 1, the latch will toggle its output when the clock goes from low to high. The latch will function in this manner in all respects regardless of whether the active clock edge is rising or falling, since it is a dual JK flip-flop.

Conclusion

The 74LCXH16374MTD is a dual JK flip-flop latch designed for use with low-power, small-scale circuitry. Its small size and general purpose nature makes it suitable for many types of applications such as DMMs, analog to digital converters, anti-theft systems, binary counters and shift registers, and even synchronous buses for data acquisition and playback. Its logic truth table reveals that when both the preset and clear inputs are at logic 1, the latch will output a logic 0. When preset is logic 0, and clear is logic 1, the latch will output a logic 1. When both the preset and clear inputs are logic 0, and the enable input is logic 1, the latch will toggle its output when the clock goes from low to high. This makes this latch a highly versatile tool for use in low-power, small-scale circuitry.

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