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Home > Products > Integrated Circuits (ICs) > Logic > Flip Flops

Nexperia USA Inc. 74LVCH16374ADGG,11

Name: 74LVCH16374ADGG,11
Brand: Nexperia USA Inc.
SKU: 74LVCH16374ADGG,11
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74LVCH16374ADGG,11

Manufacturer:: Nexperia USA Inc.

Category:: Flip Flops

Package:: 48-TFSOP (0.240", 6.10mm Width)

Datasheet:: 74LVCH16374ADGG,11.pdf

Description:: IC FF D-TYPE DUAL 8BIT 48TSSOP

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Product details

Overview

74LVCH16374ADGG,11 from Nexperia is a 16-bit edge-triggered D-type flip-flop with dual independent 8-bit sections, 3-state outputs, 5 V-tolerant inputs, and bus-hold functionality on data inputs. It operates from 1.2 V to 3.6 V supply, supports mixed-voltage interfacing (3.3 V logic driving 5 V-tolerant inputs), and is rated for -40 °C to +125 °C. Used in high-density data latching and bus isolation in industrial control backplanes.

For engineers reviewing the 74LVCH16374ADGG,11 datasheet, 74LVCH16374ADGG,11 pinout, 74LVCH16374ADGG,11 application, or 74LVCH16374ADGG,11 equivalent, key selection criteria include dual-clock domain control (1CP/2CP), independent 8-bit output enable (1OE/2OE), bus-hold on all D-inputs, IOFF partial power-down protection, and TSSOP48 pin compatibility with JEDEC JESD8-7A/5A/C standards.

Technical Context

This device implements two synchronized 8-bit D-flip-flop banks sharing no internal signal paths-each bank has dedicated clock (1CP/2CP) and output enable (1OE/2OE), enabling independent timing control. All 32 data I/O pins (16 D-in, 16 Q-out) feature Schmitt-trigger inputs and bus-hold circuitry (74LVCH variant only), eliminating external pull resistors in floating-bus scenarios.

IOFF circuitry actively disables outputs when VCC = 0 V, blocking backflow current during partial power-down sequences. Input voltage tolerance up to 5.5 V allows direct connection to 5 V legacy systems while powered from 1.2–3.6 V rails-critical for voltage translation in FPGA I/O expansion and microcontroller peripheral buffering.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	1.2 V to 3.6 V - Enables operation across low-power IoT nodes (1.2 V) and standard 3.3 V industrial logic rails.
Input Voltage Tolerance	Up to 5.5 V - Permits direct interface with 5 V TTL/CMOS without level shifters in mixed-voltage systems.
Propagation Delay (tpd)	1.5 ns (min) to 7.0 ns (max) at VCC = 3.0–3.6 V - Supports >120 MHz clock rates in synchronous data capture applications.
Set-up/Hold Time	tsu = 1.9 ns, th = +1.5 ns at VCC = 3.0–3.6 V - Tight timing margins simplify high-speed PCB layout with minimal skew compensation.
Bus Hold Current	IBHL = 75 μA (LOW), IBHH = −75 μA (HIGH) at VCC = 3.0 V - Actively maintains valid logic states on un-driven D-inputs, preventing metastability.
IOFF Leakage	±10 μA max at VCC = 0 V - Ensures safe hot-swap and partial power-down without damaging downstream components.
Operating Temperature	−40 °C to +125 °C - Qualified for under-hood automotive ECUs and industrial motor drives requiring extended thermal range.

Pinout & Package

TSSOP48 package (SOT362-1): plastic thin shrink small outline, 48 leads, 6.1 mm body width, 0.5 mm pitch, lead finish matte tin.

Pin/Terminal	Circuit Role	Design Meaning
1, 24	1OE, 2OE	Active-LOW output enables - independently disable 8-bit output groups without affecting internal latch state.
2, 3, 5, 6, 8, 9, 11, 12	1Q0–1Q7	First 8-bit latched outputs - high-impedance when 1OE = HIGH; driven by 1CP edge.
13, 14, 16, 17, 19, 20, 22, 23	2Q0–2Q7	Second 8-bit latched outputs - isolated timing domain controlled by 2CP and 2OE.
47, 46, 44, 43, 41, 40, 38, 37	1D0–1D7	First 8-bit data inputs - include bus-hold circuitry to retain last valid state when un-driven.
36, 35, 33, 32, 30, 29, 27, 26	2D0–2D7	Second 8-bit data inputs - identical bus-hold behavior; electrically isolated from first bank.
48, 25	1CP, 2CP	LOW-to-HIGH edge-triggered clocks - each controls only its associated 8-bit D/Q pair; no cross-bank propagation.
4, 10, 15, 21, 28, 34, 39, 45	GND	Eight ground pins - minimize ground bounce and improve noise immunity in high-speed switching.
7, 18, 31, 42	VCC	Four supply pins - reduce IR drop and inductance across wide VCC distribution network.

Key Features

Feature	Design Value
Dual independent 8-bit banks	Enables asynchronous latching of two data streams (e.g., ADC channel A/B) using separate clocks and enables-no shared timing constraints.
5.5 V-tolerant inputs with Schmitt triggers	Accepts slow-rising signals (e.g., mechanical switch debouncing) and interfaces directly to 5 V sensors without external clamping diodes.
Bus-hold on all D-inputs	Eliminates need for 10 kΩ pull-up/down resistors on unused or intermittently driven data lines-reducing BOM count and board area.
IOFF partial power-down	Prevents back-current flow when VCC is off but I/O pins remain biased-essential for hot-pluggable modules and power-gated subsystems.
JEDEC-compliant voltage ranges	Fully specified for JESD8-7A (1.65–1.95 V), JESD8-5A (2.3–2.7 V), and JESD8-C/JESD36 (2.7–3.6 V)-ensures interoperability across multi-rail SoC designs.

Applications

Industrial PLC Backplane Interface

Automotive Body Control Module (BCM)

Use Scenario: Latching sensor status (door open/closed, seatbelt buckle) before CAN message framing.

IC Role / Device Role / Timing Role: 16-bit parallel-to-serial staging register; dual clocks synchronize independent sensor groups to MCU sampling windows.

Use Value: Bus-hold prevents spurious transitions during intermittent sensor wiring faults; IOFF protects CAN transceivers during BCM sleep mode.

Use Scenario: Isolating infotainment processor GPIOs from 5 V lighting drivers and HVAC actuators.

IC Role / Device Role / Timing Role: Voltage-translating bidirectional buffer with 3-state control; 1OE/2OE enable/disable driver-side outputs during fault conditions.

Use Value: 5.5 V input tolerance eliminates level-shifter ICs; −40 °C to +125 °C rating matches under-dash thermal requirements.

FPGA I/O Expansion Bridge

Test Equipment Digital Pattern Generator

Use Scenario: Extending FPGA I/O count for high-pin-count memory interfaces (e.g., LPDDR4 address/command bus).

IC Role / Device Role / Timing Role: Synchronous latch for static address bits; dual banks allow pipelined command/address staging with independent clock domains.

Use Value: 1.5 ns min tpd ensures setup/hold compliance at 300 MHz DDR4 speeds; multiple VCC/GND pins suppress simultaneous switching noise.

Use Scenario: Generating precise, glitch-free stimulus patterns for ASIC functional validation.

IC Role / Device Role / Timing Role: Edge-aligned pattern register; 1CP/2CP drive two independent test vectors (e.g., read/write strobes) with sub-nanosecond skew control.

Use Value: tsk(o) ≤ 1.5 ns output skew guarantees deterministic timing across all 16 outputs; Schmitt inputs reject noise on pattern clock lines.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit D-type flip-flop applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC16374ADGGR	No bus-hold; IOFF supported; identical pinout and timing.	Lacks automatic input state retention-requires external pull resistors in floating-bus designs.	Select when cost sensitivity outweighs need for bus-hold; verify external termination strategy.
74ALVCH16374T	Higher speed (tPD = 2.8 ns typ @ 3.3 V); 2.5 V–3.6 V only; same TSSOP48 footprint.	Not suitable for 1.2–1.95 V operation; lacks JESD8-7A compliance for ultra-low-voltage MCUs.	Choose for maximum throughput in 3.3 V-only systems where sub-3 ns delay is critical.

Compared with SN74LVC16374ADGGR, the 74LVCH16374ADGG,11 adds bus-hold for robustness in undriven states; versus 74ALVCH16374T, it trades peak speed for wider voltage flexibility and JEDEC-compliant low-voltage support-making it optimal for mixed-supply industrial controllers.

Availability

74LVCH16374ADGG,11 is available at Aetrix Electronics and suitable for industrial PLC backplanes, automotive body control modules, FPGA I/O expansion, and test equipment digital pattern generation requiring stable component supply across extended temperature and mixed-voltage environments.

Supply support for 74LVCH16374ADGG,11 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a global semiconductor expert delivering high-performance logic, analog, and MOSFET solutions optimized for efficiency, reliability, and miniaturization in industrial, automotive, and computing applications.

The 74LVCH16374A belongs to Nexperia's advanced LVC/LVCH logic family, engineered specifically for robust mixed-voltage system interfacing, partial power-down resilience, and high-density PCB layouts in harsh thermal environments.

FAQ

Does 74LVCH16374ADGG,11 support true bidirectional data flow?

No-it is a unidirectional D-type flip-flop with separate D-input and Q-output terminals. Data flows only from Dn to Qn on clock edge; outputs are 3-state but not configurable as inputs. Bidirectional operation requires external control logic or a dedicated transceiver IC.

Can 1OE and 2OE be tied together for single-enable operation?

Yes-connecting 1OE and 2OE simplifies control to one signal, enabling/disabling all 16 outputs simultaneously. This reduces GPIO usage but forfeits independent bank control; ensure combined enable timing meets worst-case tdis/ten specs for both banks.

What is the impact of bus-hold activation on power consumption?

Bus-hold draws ±75 μA per active input at VCC = 3.0 V (typical), increasing total ICC by up to 1.2 mA when all 16 D-inputs float. This is negligible vs. dynamic switching current but must be included in static power budgeting for battery-powered systems.

Is the TSSOP48 package RoHS and REACH compliant?

Yes-Nexperia confirms SOT362-1 (TSSOP48) packaging for 74LVCH16374ADGG,11 meets RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006, with lead-free matte tin terminations and halogen-free molding compound.

74LVCH16374ADGG,11 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74LVCH

Package/Case:: 48-TFSOP (0.240", 6.10mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Function:: Standard

Type:: D-Type

Output Type:: Tri-State, Non-Inverted

Number of Elements:: 2

Number of Bits per Element:: 8

Clock Frequency:: 300 MHz

Max Propagation Delay @ V, Max CL:: 5.4ns @ 3.3V, 50pF

Trigger Type:: Positive Edge

Current - Output High, Low:: 24mA, 24mA

Voltage - Supply:: 1.65V ~ 3.6V

Current - Quiescent (Iq):: 20 µA

Input Capacitance:: 5 pF

Operating Temperature:: -40°C ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 48-TSSOP

74LVCH16374ADGG,11 FAQ

1.How can I place an order for 74LVCH16374ADGG,11 through Aetrix?

Please submit a Request for Quotation (RFQ) for 74LVCH16374ADGG,11 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 74LVCH16374ADGG,11 reliable?

The price and inventory of 74LVCH16374ADGG,11 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVCH16374ADGG,11 is usually 5 days.

3.What payment methods are accepted for 74LVCH16374ADGG,11?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LVCH16374ADGG,11 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74LVCH16374ADGG,11?

74LVCH16374ADGG,11 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74LVCH16374ADGG,11 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 74LVCH16374ADGG,11?

For technical support, including 74LVCH16374ADGG,11 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVCH16374ADGG,11 requirements.

6.How does Aetrix verify that 74LVCH16374ADGG,11 is sourced from the original manufacturer or authorized distributors?

All 74LVCH16374ADGG,11 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74LVCH16374ADGG,11 meets industry standards.

7.What is the process for return or replacement of 74LVCH16374ADGG,11?

All 74LVCH16374ADGG,11 units undergo pre-shipment inspection (PSI). If there is an issue with 74LVCH16374ADGG,11, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 74LVCH16374ADGG,11 part is unused and in its original packaging.

Return procedure for 74LVCH16374ADGG,11:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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