74LVC109D,112

Description：IC FF JK TYPE DUAL 1BIT 16SO
Series：74LVC
Mfr：NXP USA Inc.
Package：Tube

SKU:291b0f3c7bbc Category: Flip Flops Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC FF JK TYPE DUAL 1BIT 16SO
Series：74LVC
Mfr：NXP USA Inc.
Package：Tube
Function：Set(Preset) and Reset
Type：JK Type
Output Type：Complementary
Number of Elements：2
Number of Bits per Element：1
Clock Frequency：330 MHz
Max Propagation Delay @ V, Max CL：6.8ns @ 3.3V, 50pF
Trigger Type：Positive Edge
Current - Output High, Low：24mA, 24mA
Voltage - Supply：1.65V ~ 3.6V
Current - Quiescent (Iq)：10 µA
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：16-SO
Package / Case：16-SOIC (0.154", 3.90mm Width)
Input Capacitance：5 pF
Grade：-
Qualification：-

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74LVC109D,112

Overview

The 74LVC109D,112 is a dual JK flip-flop integrated circuit manufactured by NXP USA Inc. It operates within a supply voltage range of 1.65V to 3.6V and features low quiescent current of 10 µA. The device supports a maximum clock frequency of 150MHz with propagation delay characteristics typical for the LVC series. Output drive capability provides 24mA high and low currents. It is housed in a 16-SOIC package (0.154" width) and functions as a pin-compatible replacement for 74HC/HCT109 devices.

Feature Summary

Dual independent JK flip-flops with set and preset functionality
Low-voltage CMOS technology compatible with 1.8V and 3.3V systems
High-speed operation supporting up to 150MHz clock frequencies
Strong output drive capability with 24mA source and sink currents

Applications

Digital data storage and register circuits
Frequency division and counting applications
Parallel-to-serial data conversion interfaces
State machine implementation in embedded systems

Procurement Notes

This component is officially marked as obsolete and no longer manufactured by NXP USA Inc. Procurement should focus on verified direct substitutes such as SN74LVC112AD. Buyers must confirm availability through authorized distributors or surplus channels. Verify that replacement units meet original electrical specifications and package dimensions to ensure board compatibility.

Selection Notes

Select this part for designs requiring dual JK flip-flops in low-voltage environments. Ensure the system voltage remains within the 1.65V to 3.6V range. Consider the 16-SOIC package constraints for PCB layout. Since the part is obsolete, evaluate alternative manufacturers offering functionally equivalent LVC-series JK flip-flops with identical pinouts and timing characteristics.

Part Context

The 74LVC109 belongs to NXP's LVC logic family, designed for low-voltage digital applications. It maintains functional compatibility with standard 74HC and 74HCT logic families while operating at lower voltages. The 'D' suffix indicates the SOIC package type, and ',112' denotes the specific tube packaging configuration used for distribution.