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Nexperia USA Inc. 74HCT175D-Q100J
- Part No.:
- 74HCT175D-Q100J
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Flip Flops
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
74HCT175D-Q100J.pdf
- Description:
- IC FF D-TYPE SNGL 4BIT 16SO
- Quantity:
- Payment:
- Shipping:
Inventory:4,396
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Product details
Overview
74HCT175D-Q100 from Nexperia is a quad positive-edge-triggered D-type flip-flop with asynchronous master reset, TTL-compatible input levels, 16-pin SO16 package, -40 °C to +125 °C automotive temperature range, and AEC-Q100 Grade 1 qualification. It provides true/complement outputs per stage and is used in automotive body control modules for synchronized signal latching and state retention.
For engineers reviewing the 74HCT175D-Q100 datasheet, 74HCT175D-Q100 pinout, 74HCT175D-Q100 application, or 74HCT175D-Q100 equivalent, key selection criteria include TTL-level input compatibility, simultaneous asynchronous reset across all four flip-flops, propagation delay ≤50 ns at 4.5 V, and SO16 footprint compatibility with legacy 74-series logic layouts.
Technical Context
This device implements four independent edge-triggered D-type storage elements sharing a common clock (CP) and active-low master reset (MR). Each stage accepts a dedicated Dn input and delivers both Qn and Qn outputs on separate pins, enabling direct use in toggle, latch, or register configurations without external inversion.
Its TTL-compatible inputs (VIH = 2.0 V min, VIL = 0.8 V max at VCC = 4.5–5.5 V) ensure interoperability with legacy 5 V microcontrollers and peripheral drivers, while the 16-pin SO16 package supports standard wave-solder and reflow assembly processes in automotive PCBs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | 74HCT - TTL-compatible input thresholds, CMOS output drive, 5 V nominal operation |
| Function | Quad D-type flip-flop with asynchronous master reset and complementary outputs per stage |
| Propagation Delay (tpd) | ≤50 ns at VCC = 4.5 V, CL = 50 pF - ensures timing predictability in 20 MHz synchronous control loops |
| Supply Voltage Range | 4.5 V to 5.5 V - matches automotive 5 V rail tolerances and avoids level-shifting in ECU designs |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood and powertrain applications per AEC-Q100 Grade 1 |
| ESD Protection | HBM >2000 V, CDM >1000 V - meets automotive board-level robustness requirements |
| Output Drive | ±4.0 mA at VOH/VOL - sufficient to directly drive multiple 74-series inputs or small LED indicators |
Pinout & Package
Package: SO16 plastic small outline package (SOT109-1), 16 leads, 3.9 mm body width, gull-wing leads, JEDEC MS-012 compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (MR) | Asynchronous master reset input | Active-LOW global clear: forces all Qn = LOW and Qn = HIGH regardless of clock or data state |
| 2, 7, 10, 15 (Q0–Q3) | True outputs | Non-inverted registered data outputs; each corresponds to its Dn input sampled on CP rising edge |
| 3, 6, 11, 14 (Q0–Q3) | Complementary outputs | Inverted registered data outputs; eliminates need for external inverters in differential bus or toggle logic |
| 4, 5, 12, 13 (D0–D3) | Data inputs | Independent D-type inputs; each latched into its respective flip-flop on LOW-to-HIGH CP transition |
| 8 (GND) | Ground reference | 0 V return path for all internal logic and output stages; requires low-impedance PCB plane connection |
| 9 (CP) | Clock input | Edge-sensitive input; only LOW-to-HIGH transitions trigger data capture; setup/hold times defined at 16 ns / 5 ns (VCC = 4.5 V) |
| 16 (VCC) | Positive supply | Primary power rail; must be decoupled with ≥100 nF ceramic capacitor near pin to suppress switching noise |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive use from -40 °C to +125 °C ambient, including thermal cycling and humidity testing |
| TTL-compatible input thresholds | VIH ≥ 2.0 V, VIL ≤ 0.8 V at 5 V supply - enables direct interface with legacy 5 V microcontrollers and peripherals |
| Simultaneous asynchronous reset | Single MR pin clears all four flip-flops to known state within 53 ns (max), critical for system initialization and fault recovery |
| True + complement outputs per stage | Eliminates external inverters in applications requiring both polarities (e.g., bidirectional bus control, quadrature decoding) |
| SO16 footprint compatibility | Pinout and dimensions match industry-standard 74-series logic packages, enabling drop-in replacement in existing layouts |
Applications
| Automotive Body Control Unit (BCU) | Industrial PLC Input Register |
|---|---|
|
Use Scenario: Latching door lock status, window position, and mirror adjustment commands from CAN-linked microcontrollers. IC Role / Device Role / Timing Role: Quad D-flip-flop stores four independent control bits synchronously on CP edge; MR resets all outputs to safe default (locked/unpowered) during power-up or fault. Use Value: Eliminates software polling overhead and guarantees deterministic state capture aligned to system clock, improving BCU response latency by ≥15 µs vs. GPIO bit-banging. |
Use Scenario: Capturing 4-bit parallel sensor data (e.g., limit switches, safety interlocks) in real-time I/O modules. IC Role / Device Role / Timing Role: Acts as synchronous input register; CP driven by PLC scan clock, MR tied to emergency stop signal for immediate hardware-level reset. Use Value: Provides hardware-debounced, metastability-hardened sampling with <5 ns setup margin at 25 MHz scan rates, reducing firmware validation effort. |
| Automotive Lighting Control Module | Legacy Instrument Cluster Interface |
|
Use Scenario: Storing headlight mode (low/high beam, DRL, fog), turn signal enable, and brake light priority flags. IC Role / Device Role / Timing Role: Stores driver-selectable lighting states; Qn/Qn outputs drive high-side drivers and diagnostic feedback lines simultaneously. Use Value: Dual outputs eliminate need for discrete inverters, saving 4 components and 12 mm² PCB area per channel in space-constrained modules. |
Use Scenario: Interfacing analog gauge drivers (e.g., stepper motor controllers) with older 8-bit microcontrollers lacking sufficient GPIO. IC Role / Device Role / Timing Role: Expands microcontroller output capability by latching 4-bit control words (e.g., needle position, backlight intensity, warning icon select). Use Value: Enables reuse of legacy MCU firmware with minimal modification - only CP and MR require new GPIO assignments; Dn and Qn remain wire-identical. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad D-type flip-flop with reset applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HC175D-Q100 | CMOS input thresholds (VIH = 3.15 V min at 4.5 V); higher propagation delay (62 ns max at 4.5 V) | Better noise immunity in high-noise environments but incompatible with TTL-level drivers | Select when interfacing with 3.3 V or mixed-voltage systems where CMOS thresholds improve noise margin |
| SN74HCT175DR | Same logic function and pinout; non-automotive grade (commercial temp: -40 °C to +85 °C); no AEC-Q100 certification | Lower cost and wider distributor availability, but unsuitable for under-hood or safety-critical locations | Select for non-automotive industrial or consumer applications where extended temperature and qualification are not required |
Compared with 74HC175D-Q100, the 74HCT175D-Q100 offers guaranteed TTL-level input compatibility essential for legacy 5 V MCU integration, while SN74HCT175DR provides identical functionality at lower cost and risk for non-automotive use - making the Q100 variant the only choice for AEC-Q100-compliant designs requiring robust 5 V interfacing.
Availability
74HCT175D-Q100 is available at Aetrix Electronics and suitable for automotive body control units, industrial PLC input registers, lighting control modules, and legacy instrument cluster interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74HCT175D-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 leading semiconductor manufacturer specializing in high-performance logic, analog, and discrete components, with core expertise in automotive-qualified standard products and advanced packaging technologies.
The 74HCT175D-Q100 belongs to Nexperia's AEC-Q100-qualified 74HCT logic family, designed specifically for automotive signal conditioning, state storage, and interface bridging in harsh-environment ECUs where reliability, timing precision, and long-term supply stability are mandatory.
FAQ
Is the 74HCT175D-Q100 pin-compatible with standard 74HCT175 devices?
Yes - the 74HCT175D-Q100 uses the same SO16 (SOT109-1) package and identical pinout as non-automotive 74HCT175 variants, including matching MR, CP, Dn, Qn, and Qn assignments. The only differences are AEC-Q100 qualification, extended temperature rating (-40 °C to +125 °C), and enhanced ESD robustness.
What is the minimum pulse width required on the MR pin for reliable reset?
The MR pin requires a minimum LOW pulse width of 20 ns at VCC = 4.5 V to guarantee reset of all four flip-flops. This value is derived from tW specifications in Table 7 of the datasheet and remains valid across the full -40 °C to +125 °C operating range.
Can the 74HCT175D-Q100 operate reliably at 3.3 V supply?
No - the 74HCT175D-Q100 is specified only for 4.5 V to 5.5 V operation. At 3.3 V, VIH and VIL thresholds fall outside guaranteed logic levels, and output drive strength degrades significantly. For 3.3 V systems, use the 74LVC175 or automotive-grade 74LVC175-Q100 instead.
Does the device support hot insertion or live insertion into powered systems?
No - the 74HCT175D-Q100 lacks hot-swap protection circuitry. Applying VCC before GND, or asserting MR/CP while VCC is ramping, may cause latch-up or undefined output states. Power sequencing per Nexperia's Application Note AN10316 is required for robust system integration.
74HCT175D-Q100J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74HCT
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Master Reset
- Type:
- D-Type
- Output Type:
- Complementary
- Number of Elements:
- 1
- Number of Bits per Element:
- 4
- Clock Frequency:
- 49 MHz
- Max Propagation Delay @ V, Max CL:
- 33ns @ 4.5V, 50pF
- Trigger Type:
- Positive Edge
- Current - Output High, Low:
- 4mA, 4mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Iq):
- 8 µA
- Input Capacitance:
- 3.5 pF
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SO
74HCT175D-Q100J FAQ
1.How can I place an order for 74HCT175D-Q100J through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT175D-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 74HCT175D-Q100J reliable?
The price and inventory of 74HCT175D-Q100J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT175D-Q100J is usually 5 days.
3.What payment methods are accepted for 74HCT175D-Q100J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT175D-Q100J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HCT175D-Q100J?
74HCT175D-Q100J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HCT175D-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 74HCT175D-Q100J?
For technical support, including 74HCT175D-Q100J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT175D-Q100J requirements.
6.How does Aetrix verify that 74HCT175D-Q100J is sourced from the original manufacturer or authorized distributors?
All 74HCT175D-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 74HCT175D-Q100J meets industry standards.
7.What is the process for return or replacement of 74HCT175D-Q100J?
All 74HCT175D-Q100J units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT175D-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 74HCT175D-Q100J part is unused and in its original packaging.
Return procedure for 74HCT175D-Q100J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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