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Product Detailed Parameters
- Description：IC FF D-TYPE DUAL 8BIT 48SSOP
- Series：74LVTH
- Mfr：Fairchild Semiconductor
- Package：Tube
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Non-Inverted
- Number of Elements：2
- Number of Bits per Element：8
- Clock Frequency：160 MHz
- Max Propagation Delay @ V, Max CL：4.5ns @ 3.3V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：32mA, 64mA
- Voltage - Supply：2.7V ~ 3.6V
- Current - Quiescent (Iq)：190 µA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-SSOP
- Package / Case：48-BSSOP (0.295", 7.50mm Width)
- Input Capacitance：4 pF
- Grade：-
- Qualification：-
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Overview
The 74LVTH16374MEA is a Low Voltage 16-Bit D Flip-Flop with 3-STATE Outputs manufactured by onsemi (formerly Fairchild). It belongs to the LVTH logic series and features SSOP-48 packaging. The device operates within a supply voltage range of 2.7 V to 3.6 V, supporting -32 mA source and +64 mA sink output currents. It exhibits a propagation delay of 5.2 ns and functions across an operating temperature range of -40°C to +85°C.
Feature Summary
- Advanced BiCMOS technology for high-speed operation similar to 5V ABT while maintaining low power dissipation
- Bus-hold data inputs eliminate the need for external pull-up resistors to hold unused inputs
- Input and output interface capability to systems at 5V VCC despite low-voltage design
- Power Up/Down high impedance provides glitch-free bus loading
Applications
- Bus-oriented applications requiring byte control
- Systems utilizing 3.3V VCC with 5V TTL interface requirements
- Applications permitting live insertion or extraction
Procurement Notes
Verify component authenticity through official manufacturer channels or authorized distributors. Confirm package integrity and pin alignment against SSOP-48 specifications. Check datasheet revisions for any parameter updates. Ensure handling procedures comply with ESD protection standards given the specified performance levels.
Selection Notes
Select this component for designs requiring 16-bit synchronous data storage with tri-state outputs in low-voltage environments. Consider the 74LVT16374 variant if bus-hold functionality is not required. Evaluate thermal management needs within the specified temperature range and ensure voltage levels match the 2.7V to 3.6V operational window.
Part Context
This part is part of the 74LVTH16374 family, which includes 16-bit D-type flip-flops designed for bus-oriented applications. The 'M' suffix indicates the SSOP-48 package, and 'EA' typically denotes specific tape-and-reel or environmental configurations. The device is fabricated using advanced BiCMOS technology to balance speed and power consumption.
Replacement Considerations
The 74LVT16374MEAX is functionally compatible but lacks bus-hold inputs. Verify pinout compatibility and electrical characteristics before substitution. Other 16-bit LVTH devices may require level shifting or different control logic.
