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NXP Semiconductors 74HCT175N,652
- Part No.:
- 74HCT175N,652
- Manufacturer:
- NXP Semiconductors
- Category:
- Flip Flops
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
74HCT175N,652.pdf
- Description:
- IC FF D-TYPE SNGL 4BIT 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,254
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Product details
Overview
74HCT175N,652 from Nexperia is a quad positive-edge-triggered D-type flip-flop with asynchronous master reset (MR), TTL-compatible input levels, 16-pin SO16 package, and operation across -40 °C to +125 °C. It stores four parallel data bits on clock rising edges and resets all outputs low when MR is asserted, used in synchronous logic control, register staging, and digital state management.
For engineers reviewing the 74HCT175N,652 datasheet, 74HCT175N,652 pinout, 74HCT175N,652 application, or 74HCT175N,652 equivalent, key selection criteria include TTL-level input compatibility, guaranteed 4.5–5.5 V supply operation, ≤50 ns propagation delay at 4.5 V, asynchronous reset behavior, and SO16 thermal and mechanical footprint compliance.
Technical Context
This device implements four independent edge-triggered D flip-flops sharing one common clock (CP) and one active-low asynchronous master reset (MR). Each flip-flop accepts a dedicated Dn input and delivers complementary Qn/Qn outputs, enabling simultaneous latching and inversion without external gates.
Input clamping diodes allow safe interfacing to voltages exceeding VCC when used with current-limiting resistors. The design complies with JEDEC standard no. 7A and supports industrial and extended-temperature applications with verified ESD robustness (HBM >2000 V, CDM >1000 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | 74HCT - TTL-compatible inputs, CMOS outputs; enables direct interface with legacy 5 V TTL systems |
| Supply Voltage Range | 4.5 V to 5.5 V - ensures stable operation under nominal 5 V rail with ±10% tolerance |
| Propagation Delay (tpd) | 19 ns (typ) to 50 ns (max) at VCC = 4.5 V - defines maximum clock-to-output timing for synchronous system timing budgets |
| Maximum Clock Frequency | 25 MHz (min) at VCC = 4.5 V - sets upper limit for reliable data capture in sequential logic circuits |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood, industrial control, and high-reliability embedded environments |
| Input Thresholds (VIH/VIL) | VIH ≥ 2.0 V, VIL ≤ 0.8 V at VCC = 4.5–5.5 V - matches standard TTL logic levels for seamless integration |
| Power Dissipation Capacitance | 34 pF - used to calculate dynamic power consumption (PD = CPD × VCC² × fi) |
Pinout & Package
74HCT175N,652 uses the SO16 (SOT109-1) plastic small outline package: 16-lead, 3.9 mm body width, 1.27 mm lead pitch, and standard gull-wing lead form factor compatible with reflow and wave soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (MR) | Asynchronous master reset | Active-low signal that forces all Qn outputs LOW regardless of clock state; overrides all data inputs |
| 2, 7, 10, 15 (Q0–Q3) | True outputs | Four buffered non-inverted outputs, each corresponding to its Dn input after clock edge |
| 3, 6, 11, 14 (Q0–Q3) | Complementary outputs | Four inverted outputs - eliminates need for external inverters in toggle or differential signaling paths |
| 4, 5, 12, 13 (D0–D3) | Data inputs | Four independent D-type inputs; sampled only on LOW-to-HIGH clock transition if setup/hold times met |
| 8 (GND) | Ground reference | Primary 0 V return path for all internal circuitry and output drivers |
| 9 (CP) | Clock input | Edge-sensitive input; triggers simultaneous sampling of all Dn inputs on rising edge |
| 16 (VCC) | Positive supply | 5 V nominal power rail; powers all logic and output stages; must be decoupled locally |
Key Features
| Feature | Design Value |
|---|---|
| TTL-compatible inputs | Accepts standard 5 V TTL voltage thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V), enabling direct connection to legacy microcontrollers and logic families without level shifters |
| Asynchronous master reset | Single-pin global reset (MR) clears all four flip-flop outputs to LOW independently of clock timing - critical for power-up initialization and fault recovery |
| Complementary outputs per stage | Each of the four D-flip-flops provides both true (Qn) and complement (Qn) outputs, reducing external component count in counters, shift registers, and bus drivers |
| Clamped inputs with ESD protection | Integrated input clamp diodes support safe interfacing to overvoltage sources when used with series resistors; certified to HBM >2000 V and CDM >1000 V |
| Extended temperature range | Specified from -40 °C to +125 °C - validated for use in automotive engine compartments, industrial PLCs, and outdoor telecom equipment |
Applications
| Industrial Control Logic | Digital Signal Registering |
|---|---|
Use Scenario: Latching sensor status bits (e.g., limit switches, encoder states) in programmable logic controllers before scanning cycle execution. IC Role / Device Role / Timing Role: Synchronous register holding four parallel input states aligned to the PLC scan clock edge. Use Value: Ensures deterministic sampling window and eliminates metastability risk via guaranteed setup/hold timing at 5 V TTL levels. | Use Scenario: Capturing parallel data from an ADC or bus transceiver prior to serial conversion or processing. IC Role / Device Role / Timing Role: Input staging buffer providing synchronized, noise-immune data capture on rising clock edge. Use Value: Complementary outputs enable direct driving of differential receivers or dual-rail logic without added inverters. |
| State Machine Sequencing | Legacy System Interface |
Use Scenario: Implementing 4-bit state variables in finite-state machines for motor control or protocol handshaking. IC Role / Device Role / Timing Role: Compact, low-power storage element for next-state logic with atomic reset capability. Use Value: Asynchronous MR allows immediate state reset on error condition, bypassing clock dependency for fail-safe response. | Use Scenario: Interfacing modern microcontrollers to legacy 5 V TTL peripherals such as UART transceivers or memory-mapped I/O. IC Role / Device Role / Timing Role: Level-adapted data latch ensuring timing-compliant handshake between mixed-voltage subsystems. Use Value: Eliminates need for discrete level translators while maintaining full 5 V TTL input compatibility and fanout capability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar D-type flip-flop applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT175D,118 | Same logic function and electrical specs, but in SO16 package with different marking and reel packaging (tape-and-reel vs. tube) | No functional difference; identical pinout and timing; differs only in packaging format and ordering code | Select when automated assembly requires tape-and-reel delivery or specific logistics handling |
| SN74HCT175N | TI-manufactured part with identical pinout, TTL-compatible inputs, and 4.5–5.5 V operation; minor differences in max tpd (53 ns vs. 50 ns) and ESD rating (HBM >2000 V same) | Valid drop-in alternative in non-safety-critical 5 V systems; TI version may exhibit slightly longer worst-case propagation delay | Choose for multi-source procurement strategy where second-source validation is required |
Compared with 74HCT175N,652, the 74HCT175D,118 offers identical functionality in tape-and-reel format for SMT lines, while SN74HCT175N provides a second-source option with marginally relaxed timing but full pin and logic compatibility - both preserve the core benefit of TTL-level interfacing and asynchronous reset in SO16.
Availability
74HCT175N,652 is available at Aetrix Electronics and suitable for industrial control logic, digital signal registering, state machine sequencing, and legacy system interface applications requiring stable component supply and long-term lifecycle support.
Supply support for 74HCT175N,652 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, high-reliability logic, analog, and discrete components for automotive, industrial, and consumer markets.
The 74HCT175N,652 belongs to Nexperia's 74HCT logic family, engineered for robust 5 V TTL-compatible interfacing in demanding environments with extended temperature operation and industry-standard ESD protection.
FAQ
What is the supply voltage range for the 74HCT175N,652?
The 74HCT175N,652 operates within a supply voltage range of 4.5 V to 5.5 V. This range ensures compatibility with standard 5 V TTL systems while accommodating typical rail tolerances. Operation outside this range may cause unreliable behavior or permanent damage, as defined in the Absolute Maximum Ratings table of the Nexperia datasheet for 74HCT175N,652.
Does the 74HCT175N,652 support asynchronous reset?
Yes, the 74HCT175N,652 features an asynchronous master reset (MR) input on Pin 1. When MR is driven LOW, all four Qn outputs are immediately forced LOW, independent of the clock signal. This behavior is confirmed in the Function Table and Functional Diagram sections of the official Nexperia datasheet for 74HCT175N,652.
What package type is used by the 74HCT175N,652?
The 74HCT175N,652 uses the SO16 (SOT109-1) plastic small outline package: 16 leads, 3.9 mm body width, 1.27 mm pitch, and gull-wing leads. This is explicitly stated in Nexperia's Ordering Information table and Package Outline Figure 11 for 74HCT175N,652.
How many flip-flops does the 74HCT175N,652 contain, and what are their triggering characteristics?
The 74HCT175N,652 contains four independent D-type flip-flops, all triggered on the LOW-to-HIGH transition of the common clock (CP) input. Each flip-flop has dedicated Dn inputs and complementary Qn/Qn outputs, as documented in the General Description and Functional Diagram sections of the 74HCT175N,652 datasheet.
Is the 74HCT175N,652 compatible with TTL-level input signals?
Yes, the 74HCT175N,652 is specifically designed for TTL-level input compatibility: VIH ≥ 2.0 V and VIL ≤ 0.8 V at VCC = 4.5–5.5 V. This allows direct connection to standard 5 V TTL outputs without level-shifting circuitry, as specified in the Static Characteristics table for 74HCT175N,652.
74HCT175N,652 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74HCT
- Package/Case:
- 16-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-DIP
74HCT175N,652 FAQ
1.How can I place an order for 74HCT175N,652 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT175N,652 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 74HCT175N,652 reliable?
The price and inventory of 74HCT175N,652 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT175N,652 is usually 5 days.
3.What payment methods are accepted for 74HCT175N,652?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT175N,652 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HCT175N,652?
74HCT175N,652 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HCT175N,652 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 74HCT175N,652?
For technical support, including 74HCT175N,652 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT175N,652 requirements.
6.How does Aetrix verify that 74HCT175N,652 is sourced from the original manufacturer or authorized distributors?
All 74HCT175N,652 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 74HCT175N,652 meets industry standards.
7.What is the process for return or replacement of 74HCT175N,652?
All 74HCT175N,652 units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT175N,652, 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 74HCT175N,652 part is unused and in its original packaging.
Return procedure for 74HCT175N,652:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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