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NXP Semiconductors N74F14D,602
- Part No.:
- N74F14D,602
- Manufacturer:
- NXP Semiconductors
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
N74F14D,602.pdf
- Description:
- IC INVERT SCHMITT 6CH 1-INP 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,944
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Product details
Overview
N74F14D,602 from NXP Semiconductors (formerly Philips) is a hex inverter Schmitt trigger IC designed for noise-immune signal conditioning in TTL-compatible digital systems. It features six independent inverters with hysteresis (VT+ = 1.7 V typ, VT– = 0.9 V typ), 5.0 ns typical propagation delay, 18 mA typical total supply current, and operates over –40°C to +85°C industrial temperature range. It is used in debouncing mechanical switches and cleaning slow-rising clock or control signals.
For engineers reviewing the N74F14D,602 datasheet, N74F14D,602 pinout, N74F14D,602 application, or N74F14D,602 equivalent, key selection criteria include Schmitt-trigger input thresholds, TTL output drive capability (20 mA sink), SO-14 package compatibility, industrial temperature rating, and 5 V ±10% supply operation.
Technical Context
The N74F14D,602 implements six independent Schmitt-trigger inverters using positive feedback to generate distinct input thresholds for rising (1.4–2.0 V) and falling (0.7–1.1 V) edges. Each channel includes a Darlington level shifter and totem-pole TTL output stage capable of sourcing –1 mA and sinking 20 mA.
It operates strictly at VCC = 4.5–5.5 V with defined DC characteristics across –40°C to +85°C. Input clamp voltage is –1.2 V, short-circuit output current is –150 mA max, and hysteresis width is 0.4–0.8 V - enabling robust noise rejection in electrically noisy environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Hex inverting Schmitt trigger - converts slow/noisy inputs into clean, jitter-free TTL-level outputs |
| Supply Voltage | 4.5–5.5 V - compatible with standard 5 V TTL rails; tolerates ±10% variation |
| Propagation Delay | 5.0 ns typical (Dn to Qn, CL = 50 pF) - enables high-speed signal shaping up to ~100 MHz edge rates |
| Input Hysteresis | 0.8 V typical (VT+ − VT−) - rejects noise spikes ≤0.8 V peak-to-peak without false triggering |
| Output Drive | 20 mA sink / –1 mA source - directly drives multiple TTL loads (fan-out ≥33) or small LEDs |
| Operating Temp | –40°C to +85°C - qualified for industrial-grade embedded control and automation equipment |
| Input Thresholds | VT+ = 1.7 V typ, VT– = 0.9 V typ - ensures reliable switching on RC-debounced switch inputs |
Pinout & Package
Package: 14-lead plastic small outline (SO-14), body width 3.9 mm, compliant with SOT108-1 footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 9, 11, 13 | Data input (D0–D5) | Schmitt-trigger inputs accepting TTL-level signals with hysteresis |
| 2, 4, 6, 8, 10, 12 | Data output (Q0–Q5) | Inverted, buffered TTL outputs capable of 20 mA sink current |
| 7 | GND | Ground reference for all logic and power domains |
| 14 | VCC | Positive supply terminal - must be decoupled locally to suppress switching noise |
Key Features
| Feature | Design Value |
|---|---|
| Hysteresis-enabled input | 0.8 V typical threshold separation - eliminates chatter on mechanical contacts and slow analog-derived logic signals |
| TTL-compatible I/O | Meets 74F family VIH/VIL (2.0 V/0.8 V) and VOH/VOL (2.7 V/0.5 V) specs - interoperable with legacy 74-series logic |
| Industrial temperature range | –40°C to +85°C operation - supports deployment in factory automation, motor controls, and outdoor electronics |
| Low propagation delay | 5.0 ns typical - preserves timing integrity when reshaping clocks or synchronization pulses |
| High noise immunity | Input clamp voltage –1.2 V and hysteresis >0.4 V - withstands ESD transients and coupled RF interference |
Applications
| Switch Debouncing | Waveform Shaping |
|---|---|
Use Scenario: Mechanical pushbuttons or rotary encoders generate contact bounce lasting milliseconds, causing false interrupts or state changes in microcontrollers. IC Role / Device Role / Timing Role: N74F14D,602 acts as a hardware debouncer - its Schmitt-trigger inputs reject sub-millisecond noise while cleanly toggling outputs on stable transitions. Use Value: Eliminates need for software debouncing delays or external RC networks; reduces MCU firmware complexity and interrupt latency. | Use Scenario: Analog comparators or crystal oscillator buffers produce slow-rising or distorted square waves unsuitable for clocking digital logic. IC Role / Device Role / Timing Role: N74F14D,602 reshapes input edges into fast, rail-to-rail TTL waveforms with controlled rise/fall times and jitter suppression. Use Value: Enables reliable clock distribution to FPGAs, counters, or microcontrollers without timing violations or metastability. |
| Noise-Immune Sensing | Level Translation Interface |
Use Scenario: Sensors (e.g., hall-effect, reed switches, photointerrupters) output weak or noisy signals in electrically hostile industrial environments. IC Role / Device Role / Timing Role: N74F14D,602 serves as a noise-hardened front-end conditioner - converting marginal sensor outputs into robust TTL logic levels. Use Value: Improves system reliability by preventing false triggers from EMI, ground bounce, or cable crosstalk. | Use Scenario: Interfacing between non-TTL sources (e.g., CMOS logic, op-amp comparators) and 74F/74LS downstream logic requiring strict VIH/VIL thresholds. IC Role / Device Role / Timing Role: N74F14D,602 provides hysteresis-enhanced level adaptation - accepting wider input swings while delivering precise TTL-compatible outputs. Use Value: Bridges voltage domain mismatches without external biasing resistors or active translators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar hex Schmitt-trigger inverter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74F14N | DIP-14 package only; identical electrical specs and pinout | Limited to through-hole PCB assembly; no surface-mount option | Select when board layout requires DIP footprint or socket-based prototyping |
| 74HC14D | CMOS technology; 2–6 V supply range; higher input impedance; slower propagation (≈20 ns typ) | Better for low-power battery systems; incompatible with 5 V TTL fan-out requirements | Select when supply voltage varies or ultra-low ICC (<2 µA) is required - not drop-in for TTL-driven loads |
Compared with SN74F14N and 74HC14D, the N74F14D,602 uniquely combines industrial-temperature SO-14 packaging, 5 V TTL drive strength, and 5 ns speed - making it optimal for space-constrained, noise-prone industrial control boards where legacy 74F compatibility is mandatory.
Availability
N74F14D,602 is available at Aetrix Electronics and suitable for industrial automation, motor control interfaces, and embedded sensor conditioning requiring stable component supply and long-term obsolescence management.
Supply support for N74F14D,602 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
NXP Semiconductors is a global semiconductor company formed from the spin-off of Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The 74F logic family - including N74F14D,602 - was engineered for high-speed, noise-tolerant TTL-compatible digital interfacing in industrial control, instrumentation, and legacy system upgrades.
FAQ
What is the operating temperature range of the N74F14D,602?
The N74F14D,602 is rated for industrial operation from –40°C to +85°C. This specification is confirmed in the Philips Semiconductor Product Specification document dated November 26, 1990, under Recommended Operating Conditions and Absolute Maximum Ratings. The device maintains full DC and AC performance across this range when supplied with 4.5–5.5 V.
Does the N74F14D,602 support 5 V ±10% supply operation?
Yes, the N74F14D,602 is explicitly characterized for VCC = 4.5 V to 5.5 V (±10% of 5 V) per the Recommended Operating Conditions table. All DC and AC parameters - including VOH, VOL, propagation delay, and input thresholds - are guaranteed within this supply range at temperatures from –40°C to +85°C.
What are the input hysteresis thresholds for the N74F14D,602?
The N74F14D,602 has a positive-going input threshold (VT+) of 1.4–2.0 V and a negative-going threshold (VT–) of 0.7–1.1 V, yielding a hysteresis width (∆VT) of 0.4–0.8 V. These values are specified in the DC Electrical Characteristics table at VCC = 5.0 V and Tamb = 25°C, with typical values of 1.7 V and 0.9 V respectively.
Can the N74F14D,602 drive standard TTL loads directly?
Yes, the N74F14D,602 provides TTL-compatible output drive: VOH ≥ 2.7 V at –1 mA and VOL ≤ 0.5 V at 20 mA sink. Its fan-out capability is rated at 50 high / 33 low unit loads, confirming direct interoperability with 74LS, 74F, and other TTL-family inputs without external buffering.
Is the N74F14D,602 pin-compatible with other 74F14 variants?
Yes, the N74F14D,602 shares identical pinout and logic function with all 74F14 variants, including N74F14N (DIP-14) and I74F14D (industrial SO-14). Pin assignments - D0–D5 on odd pins 1/3/5/9/11/13, Q0–Q5 on even pins 2/4/6/8/10/12, VCC on pin 14, GND on pin 7 - are standardized per SOT108-1 and confirmed in the Philips pin configuration diagram.
N74F14D,602 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74F
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- Inverter
- Number of Circuits:
- 6
- Number of Inputs:
- 1
- Features:
- Schmitt Trigger
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- -
- Current - Output High, Low:
- 1mA, 20mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 8.5ns @ 5V, 50pF
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
N74F14D,602 FAQ
1.How can I place an order for N74F14D,602 through Aetrix?
Please submit a Request for Quotation (RFQ) for N74F14D,602 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 N74F14D,602 reliable?
The price and inventory of N74F14D,602 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for N74F14D,602 is usually 5 days.
3.What payment methods are accepted for N74F14D,602?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for N74F14D,602 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for N74F14D,602?
N74F14D,602 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your N74F14D,602 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 N74F14D,602?
For technical support, including N74F14D,602 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your N74F14D,602 requirements.
6.How does Aetrix verify that N74F14D,602 is sourced from the original manufacturer or authorized distributors?
All N74F14D,602 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 N74F14D,602 meets industry standards.
7.What is the process for return or replacement of N74F14D,602?
All N74F14D,602 units undergo pre-shipment inspection (PSI). If there is an issue with N74F14D,602, 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 N74F14D,602 part is unused and in its original packaging.
Return procedure for N74F14D,602:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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