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

Nexperia USA Inc. 74AHC374D-Q100J

Name: 74AHC374D-Q100J
Brand: Nexperia USA Inc.
SKU: 74AHC374D-Q100J
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74AHC374D-Q100J

Manufacturer:: Nexperia USA Inc.

Category:: Flip Flops

Package:: 20-SOIC (0.295", 7.50mm Width)

Datasheet:: 74AHC374D-Q100J.pdf

Description:: IC FF D-TYPE SNGL 8BIT 20SO

Quantity:: RFQ Add To RFQ list

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Product details

Overview

74AHC374D-Q100 from Nexperia is an automotive-qualified octal positive-edge-triggered D-type flip-flop with 3-state outputs, designed for data latching and bus interface in automotive control modules. It operates from 2.0 V to 5.5 V, features TTL-compatible inputs (74AHCT variant), supports -40 °C to +125 °C ambient range, and delivers 4.4 ns typical propagation delay at 5 V with 15 pF load.

For engineers reviewing the 74AHC374D-Q100 datasheet, 74AHC374D-Q100 pinout, 74AHC374D-Q100 application, or 74AHC374D-Q100 equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, SO20 package compatibility, 3-state output enable timing (t_en = 3.9 ns typ), and input overvoltage tolerance up to 5.5 V - critical for mixed-voltage domain interfacing in body electronics and ADAS sensor hubs.

Technical Context

This device implements eight independent D-type latches synchronized to the LOW-to-HIGH transition of CP, with asynchronous 3-state control via active-low OE. Each flip-flop samples D_n only when setup (t_su = 3.0 ns min at 5 V) and hold (t_th = 2.0 ns min) timing constraints are met relative to the clock edge.

Its CMOS architecture enables rail-to-rail output swing, low ICC (≤80 μA max at 125 °C), and high noise immunity via Schmitt-trigger inputs. The 3-state outputs support bidirectional bus driving without contention, while overvoltage-tolerant inputs allow safe interfacing with 5 V logic even when V_CC = 3.3 V.

Key Specifications

Parameter	Value and Actual Design Meaning
Logic Family	AHC - Advanced High-Speed CMOS, enabling 5 V operation with low power and fast switching
Function	Octal D-type flip-flop with positive-edge clock and 3-state outputs - used for synchronous data capture and bus isolation
Supply Voltage Range	2.0 V to 5.5 V - supports dual-rail systems (e.g., 3.3 V core / 5 V I/O) without level shifters
Propagation Delay (t_pd)	4.4 ns (typ) at V_CC = 5 V, C_L = 15 pF - ensures sub-10 ns timing margin in 100 MHz data paths
Operating Temperature	-40 °C to +125 °C - qualified per AEC-Q100 Grade 1 for under-hood and powertrain applications
Input Voltage Tolerance	Up to 5.5 V regardless of V_CC - prevents latch-up during hot-swap or supply sequencing events
Output Drive Strength	±8 mA at V_CC = 4.5 V - sufficient to drive 10–15 cm PCB traces or 2–3 standard CMOS loads

Pinout & Package

74AHC374D-Q100 uses the SO20 (SOT163-1) plastic small outline package: 20-pin, 7.5 mm body width, 1.27 mm pitch, gull-wing leads. Thermal resistance θ_JA = 109 °C/W (derates linearly above 109 °C at 12.3 mW/K).

Pin/Terminal	Circuit Role	Design Meaning
1 (OE)	3-state output enable (active LOW)	Asynchronous control: HIGH forces all Q_n into high-impedance; does not affect internal flip-flop state
2–9, 12, 15–16, 19 (Q0–Q7)	3-state data outputs	Driven by respective flip-flops when OE = LOW; tri-stated when OE = HIGH - enables shared bus arbitration
3–4, 7–8, 13–14, 17–18 (D0–D7)	Data inputs	Sampled on rising edge of CP; overvoltage tolerant up to 5.5 V independent of V_CC
10 (GND)	Ground reference	0 V return path for all signals and power; must be low-impedance to minimize ground bounce
11 (CP)	Clock input	Edge-sensitive trigger: only LOW-to-HIGH transitions latch D_n; Schmitt-trigger input rejects noise
20 (V_CC)	Supply voltage	Primary power rail (2.0–5.5 V); decoupling capacitor required within 1 cm for stable high-speed operation

Key Features

Feature	Design Value
AEC-Q100 Grade 1 qualification	Validated for automotive use from -40 °C to +125 °C ambient, including temperature cycling and HTOL stress
Overvoltage-tolerant inputs	Accepts up to 5.5 V on any input pin regardless of V_CC - eliminates need for external clamping diodes
CMOS-level compatible (AHC)	VIH = 3.85 V (min at V_CC = 5.5 V), VIL = 1.65 V (max) - ensures robust noise margin in 5 V systems
Balanced propagation delays	t_PLH and t_PHL differ by ≤1.5 ns (typ) - minimizes skew across all 8 channels in parallel data paths
Low dynamic power dissipation	CPD = 10 pF - enables <1 mW average power at 10 MHz toggle rate with 5 V supply and 15 pF load

Applications

Automotive Body Control Module

ADAS Sensor Interface Hub

Use Scenario: Latching status signals from door lock actuators, window switches, and mirror position sensors before transmission over LIN or CAN.

IC Role / Device Role / Timing Role: Synchronous data register capturing 8-bit status words on each engine control unit (ECU) clock edge.

Use Value: Enables deterministic sampling of mechanical switch bounce-free states with 3.0 ns setup time margin at 5 V, reducing firmware debouncing overhead.

Use Scenario: Buffering raw pixel data streams from radar or camera sensors prior to FPGA or SoC preprocessing.

IC Role / Device Role / Timing Role: Parallel-to-bus interface element isolating sensor data lanes from shared memory bus during write cycles.

Use Value: 3-state outputs prevent bus contention during concurrent read/write operations; 4.4 ns t_pd supports >100 MHz pixel clock rates.

Infotainment Display Driver

Powertrain ECU Data Acquisition

Use Scenario: Holding RGB color channel values for segment-based LCD backlight control in digital instrument clusters.

IC Role / Device Role / Timing Role: Octal latch synchronizing PWM duty-cycle updates to display refresh timing, driven by microcontroller GPIO.

Use Value: Overvoltage-tolerant inputs accept 5 V PWM signals directly from MCU while V_CC = 3.3 V, eliminating level-shifter components.

Use Scenario: Capturing analog-to-digital converter (ADC) result registers in real-time engine monitoring subsystems.

IC Role / Device Role / Timing Role: Edge-triggered storage of 8-bit ADC conversion results for crankshaft position, throttle angle, and O2 sensor readings.

Use Value: AEC-Q100 qualification ensures reliability under thermal shock and vibration; 2.0 ns hold time guarantees data integrity at 20 MHz sampling rates.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
74AHCT374D-Q100	TTL-compatible inputs (VIH = 2.0 V min), identical timing and packaging	Better suited for legacy 5 V microcontrollers with TTL output levels	Select when interfacing with older MCUs lacking CMOS-level drive capability
SN74LVC374AQPWRQ1	Lower V_CC range (1.65–3.6 V), 3.3 V optimized, smaller TSSOP20 package	Targeted at low-voltage domains; not rated for 5 V operation or 125 °C ambient	Choose for compact 3.3 V-only designs where AEC-Q100 Grade 1 is required but 5 V tolerance is unnecessary

Compared with 74AHCT374D-Q100, the 74AHC374D-Q100 provides higher noise immunity and wider V_CC flexibility; versus SN74LVC374AQPWRQ1, it trades package size and 3.3 V efficiency for full 5 V interoperability and extended temperature resilience.

Availability

74AHC374D-Q100 is available at Aetrix Electronics and suitable for automotive body electronics, ADAS sensor interfaces, infotainment display drivers, and powertrain data acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74AHC374D-Q100 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 specializing in high-performance, high-reliability logic, analog, and discrete components, with leadership in automotive-grade solutions.

The 74AHC374-Q100 belongs to Nexperia's AEC-Q100-qualified logic portfolio, engineered specifically for robust data latching and bus interfacing in harsh automotive environments.

FAQ

What is the maximum clock frequency supported by the 74AHC374D-Q100?

The device supports up to 130 MHz maximum frequency at V_CC = 4.5–5.5 V with 15 pF load, as specified in Table 7. This assumes clean clock edges with rise/fall times ≤20 ns/V and proper PCB layout to minimize jitter and crosstalk on the CP line.

Can the 74AHC374D-Q100 operate with a 3.3 V supply while interfacing with 5 V inputs?

Yes - its inputs are overvoltage tolerant up to 5.5 V regardless of V_CC. When powered at 3.3 V, it safely accepts 5 V logic signals without damage or level-shifting circuitry, making it ideal for mixed-voltage system integration.

How does the 3-state output enable (OE) interact with the internal flip-flop state?

OE is purely output-control: asserting OE HIGH places Q0–Q7 in high-impedance mode without altering the stored data in any flip-flop. The internal state remains preserved and immediately reappears on the outputs when OE returns LOW.

Is there a difference in ESD robustness between the 74AHC374D-Q100 and 74AHCT374D-Q100 variants?

No - both variants share identical ESD ratings: HBM >2000 V and CDM >1000 V per JS-001/JS-002 standards. The distinction lies solely in input threshold compatibility (CMOS vs. TTL), not in electrostatic protection design.

74AHC374D-Q100J Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74AHC

Package/Case:: 20-SOIC (0.295", 7.50mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Function:: Standard

Type:: D-Type

Output Type:: Tri-State, Non-Inverted

Number of Elements:: 1

Number of Bits per Element:: 8

Clock Frequency:: 120 MHz

Max Propagation Delay @ V, Max CL:: 10.1ns @ 5V, 50pF

Trigger Type:: Positive Edge

Current - Output High, Low:: 8mA, 8mA

Voltage - Supply:: 2V ~ 5.5V

Current - Quiescent (Iq):: 4 µA

Input Capacitance:: 3 pF

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

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 20-SO

74AHC374D-Q100J FAQ

1.How can I place an order for 74AHC374D-Q100J through Aetrix?

Please submit a Request for Quotation (RFQ) for 74AHC374D-Q100J 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 74AHC374D-Q100J reliable?

The price and inventory of 74AHC374D-Q100J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHC374D-Q100J is usually 5 days.

3.What payment methods are accepted for 74AHC374D-Q100J?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHC374D-Q100J transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74AHC374D-Q100J?

74AHC374D-Q100J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74AHC374D-Q100J 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 74AHC374D-Q100J?

For technical support, including 74AHC374D-Q100J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHC374D-Q100J requirements.

6.How does Aetrix verify that 74AHC374D-Q100J is sourced from the original manufacturer or authorized distributors?

All 74AHC374D-Q100J 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 74AHC374D-Q100J meets industry standards.

7.What is the process for return or replacement of 74AHC374D-Q100J?

All 74AHC374D-Q100J units undergo pre-shipment inspection (PSI). If there is an issue with 74AHC374D-Q100J, 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 74AHC374D-Q100J part is unused and in its original packaging.

Return procedure for 74AHC374D-Q100J:

1.Submit a request within 90 days.

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

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