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Product Detailed Parameters
- Description：IC FF D-TYPE DUAL 8BIT 48TSSOP
- Series：74LCX
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Non-Inverted
- Number of Elements：2
- Number of Bits per Element：8
- Clock Frequency：170 MHz
- Max Propagation Delay @ V, Max CL：6.2ns @ 3.3V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：24mA, 24mA
- Voltage - Supply：2V ~ 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：7 pF
- Grade：-
- Qualification：-
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Overview
The onsemi 74LCX16374MTDX is a dual octal D-type flip-flop with 3-state outputs, designed for high-speed digital applications. It operates within a supply voltage range of 2V to 3.6V and features a maximum propagation delay of 6.2ns at 3.3V with 50pF load. The device supports a clock frequency of up to 170 MHz and delivers output drive currents of 24mA for both high and low states. With a static current consumption of only 20 µA, it ensures low power operation. The component is housed in a 48-TFSOP package and functions reliably across an operating temperature range of -40°C to 85°C.
Feature Summary
- Dual octal D-type flip-flop architecture providing two independent 8-bit registers
- High-speed performance with 170 MHz clock capability and sub-7ns propagation delay
- Low power consumption design with minimal static current draw
- 3-state outputs allowing direct bus connection without external drivers
Applications
- High-speed data buffering and register storage in digital systems
- Parallel-to-serial data conversion circuits
- Interface logic between microprocessors and peripheral devices
- Memory address latching in embedded systems
Procurement Notes
Verify the specific suffix MTDX indicates tape and reel packaging when sourcing. Confirm RoHS compliance status as per manufacturer declarations. Check for moisture sensitivity level requirements during handling. Ensure the 48-TFSOP footprint matches the target PCB layout. Validate that the 2V-3.6V supply range aligns with system power rails.
Selection Notes
Select this component for designs requiring dual 8-bit registration with high speed and low power. Compare propagation delay specifications against timing constraints. Evaluate package size compatibility with space-constrained layouts. Consider the 3-state output feature for bus-sharing applications. Verify thermal performance within the specified operating temperature range.
Part Context
This part belongs to the 74LCX series of advanced CMOS logic devices. It complements other LCX family components like latches and buffers. The 74LCX16374MTDX specifically addresses needs for parallel data storage in high-performance interfaces. It serves as a key building block for complex digital signal processing paths.
Replacement Considerations
Public confirmed substitutes include SN74ALVCH162374GR from Texas Instruments. Other potential replacements are SN74ALVCH16374DGGR and SN74AUCH16374DGGR. Verify pinout and electrical characteristics before substitution.
FAQ
What is the maximum clock frequency supported by the 74LCX16374MTDX?
The device supports a maximum clock frequency of 170 MHz.
Does the 74LCX16374MTDX have active pull-up or pull-down resistors?
No, the datasheet specifies standard 3-state outputs without internal active pull-ups or pull-downs.
What is the input capacitance of the 74LCX16374MTDX?
The input capacitance is specified as 7 pF.
