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Product Detailed Parameters
- Description：IC FF D-TYPE DUAL 8BIT 48TSSOP
- Series：74LVCH
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Non-Inverted
- Number of Elements：2
- Number of Bits per Element：8
- Clock Frequency：150 MHz
- Max Propagation Delay @ V, Max CL：4.5ns @ 3.3V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：24mA, 24mA
- Voltage - Supply：1.65V ~ 3.6V
- Current - Quiescent (Iq)：20 µA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-TSSOP
- Package / Case：48-TFSOP (0.240", 6.10mm Width)
- Input Capacitance：5 pF
- Grade：-
- Qualification：-
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Overview
The SN74LVCH16374ADGGRG4 is a 16-bit D-type flip-flop with three-state outputs from the Texas Instruments LVCH series. It operates on a supply voltage range of 1.65 V to 3.6 V and features low static current consumption of 20 µA. The device provides high drive capability with output currents of -24 mA (high) and 24 mA (low). Propagation delay is specified at 4.9 ns at 2.7 V and 4.2 ns at 3.3 V. It is housed in a 48-pin TSSOP package and supports industrial temperature ranges from -40°C to +125°C.
Feature Summary
- Provides 16-bit data storage via positive-edge-triggered D-type flip-flops.
- Features three-state outputs for direct bus connection without external buffers.
- Supports mixed-signal environments through wide operating voltage compatibility.
Applications
- High-density data buffering on system buses
- Clock domain crossing synchronization circuits
- Parallel-to-serial data conversion interfaces
Procurement Notes
Verify the complete part number including the G4 suffix, which indicates RoHS compliance and green packaging status. Confirm the package type is TSSOP-48 and ensure the logic family matches the LVCH specification for the required voltage levels. Cross-reference the manufacturer datasheet to validate the specific propagation delay and drive current ratings against your circuit requirements before finalizing procurement.
Selection Notes
Select this component when designing systems requiring 16-bit parallel data latching with minimal power consumption. The LVCH series is suitable for applications needing operation across varying voltage domains between 1.65 V and 3.6 V. Consider the 48-TSSOP package constraints for PCB layout and thermal management. Ensure the input signals are compatible with CMOS or TTL logic levels as defined in the official specifications.
Part Context
This device belongs to the SN74LVCH16374A family of 16-bit flip-flops. It shares functional similarities with other LVCH devices but differs in pinout and specific electrical characteristics compared to latch variants like the 74LVCH16373. The 'G4' suffix denotes environmental compliance, while 'DGGR' specifies the TSSOP-48 reel packaging configuration used by Texas Instruments.
Replacement Considerations
SN74LVCH16374ADGVR is a pin-compatible alternative in TVSOP-48 packaging. SN74AUC16374DGGR offers faster performance in the AUC series but requires different voltage handling. Verify electrical parameters and package dimensions before substitution.
