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Product Detailed Parameters
- Description：IC FF D-TYPE DUAL 8BIT 48TSSOP
- Series：74VCXH
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Non-Inverted
- Number of Elements：2
- Number of Bits per Element：8
- Clock Frequency：250 MHz
- Max Propagation Delay @ V, Max CL：3ns @ 3.3V, 30pF
- Trigger Type：Positive Edge
- Current - Output High, Low：24mA, 24mA
- Voltage - Supply：1.4V ~ 3.6V
- Current - Quiescent (Iq)：20 µA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-TSSOP
- Package / Case：48-TFSOP (0.240", 6.10mm Width)
- Input Capacitance：6 pF
- Grade：-
- Qualification：-
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Overview
The 74VCXH16374MTDX is a low-voltage, high-speed CMOS octal D-type flip-flop with 3-state outputs. It operates within a supply voltage range of 1.4V to 3.6V and features a quiescent current of 20µA. The device supports positive-edge triggering and includes an input capacitance of 6pF. It is designed for bus-oriented applications and functions reliably across an operating temperature range of -40°C to 85°C.
Feature Summary
- Octal D-type flip-flops with 3-state outputs for bus-oriented applications
- Low voltage operation from 1.4V to 3.6V with minimal quiescent current
- High-speed performance suitable for demanding digital systems
Applications
- Bus-oriented data storage and transfer systems
- Low-power portable electronic devices
- High-speed digital signal processing interfaces
Procurement Notes
Verify the component status as obsolete or no longer manufactured by onsemi before procurement planning. Confirm package integrity and pin configuration against the 48-TFSOP specification. Ensure compatibility with existing design constraints regarding voltage levels and thermal requirements. Consult official distributor channels for availability of replacement alternatives if necessary.
Selection Notes
Select this component for applications requiring octal D-type storage with tri-state output control in low-voltage environments. Consider the 1.4V to 3.6V supply range and 20µA quiescent current for power-sensitive designs. Evaluate the 48-TFSOP package dimensions for board space constraints. Verify operational temperature range suitability for the intended environment.
Part Context
This part belongs to the VCX family of low-voltage logic devices, originally developed by Fairchild Semiconductor and later acquired by onsemi. The VCX series focuses on high-speed, low-power performance for modern digital systems. The 74VCXH16374 specifically provides octal flip-flop functionality with 3-state outputs, distinguishing it from standard 74-series counterparts through its optimized voltage and speed characteristics.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. The component is listed as obsolete and no longer manufactured by onsemi. Designers should consult official manufacturer resources for qualified replacement options or equivalent functional alternatives.
