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Nexperia USA Inc. HEF4001BT,652
- Part No.:
- HEF4001BT,652
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
HEF4001BT,652.pdf
- Description:
- IC GATE NOR 4CH 2-INP 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:1,717
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Product details
Overview
HEF4001BT,652 from Nexperia is a quad 2-input CMOS NOR gate IC operating from 3.0 V to 15.0 V supply, featuring symmetrical output drive (±1.1 mA at 5 V), 40 ns max propagation delay at 15 V with 50 pF load, and operation across -40 °C to +125 °C. It implements discrete logic-level signal inversion and combination in industrial control panels, power supply sequencing circuits, and legacy microcontroller peripheral interfacing.
For engineers reviewing the HEF4001BT,652 datasheet, HEF4001BT,652 pinout, HEF4001BT,652 application, or HEF4001BT,652 equivalent, this page delivers verified static/dynamic specifications, SO14 package terminal mapping, JEDEC-compliant ESD ratings (HBM >2000 V), and validated drop-in alternatives for logic-level compatibility in wide-voltage digital systems.
Technical Context
The HEF4001BT,652 integrates four independent 2-input NOR gates using silicon-gate CMOS process technology, enabling fully static operation with zero DC current draw in steady state. Each gate exhibits rail-to-rail output swing and input clamp diodes that permit interface to voltages exceeding VDD when used with external current-limiting resistors.
Its propagation delay scales inversely with supply voltage (20 ns typ at 15 V, 60 ns typ at 5 V with 50 pF load), and output transition times follow predictable linear relationships with capacitive load (e.g., tTHL = 6 + 0.28 × CL ns at 15 V). The device complies with JEDEC JESD13-B and supports dual temperature grades: industrial (-40 °C to +125 °C) and extended automotive-adjacent range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3.0 V to 15.0 V - Enables direct integration into mixed-voltage systems (e.g., 5 V logic controlling 12 V relay drivers). |
| Propagation Delay (tPHL/tPLH) | 20 ns max at 15 V, 50 pF - Supports reliable timing in sub-25 MHz clock domains with margin. |
| Output Drive Strength | ±1.1 mA at 5 V (IOL/IOH) - Sufficient to directly drive TTL inputs or small capacitive loads (<50 pF) without buffering. |
| Input Clamp Diodes | Integrated - Allows safe interfacing to signals up to VDD + 0.5 V using series resistors, eliminating external protection components. |
| ESD Robustness | HBM >2000 V, CDM >1000 V - Meets industrial IEC 61000-4-2 system-level immunity requirements without additional layout shielding. |
| Operating Temperature | -40 °C to +125 °C - Qualified for under-hood industrial enclosures and high-ambient factory automation environments. |
| Static Supply Current | 30 μA max at 15 V, +125 °C - Ensures ultra-low standby power in battery-backed or energy-sensitive applications. |
Pinout & Package
HEF4001BT,652 is housed in a plastic small outline package (SO14), designated SOT108-1, with 14 leads, 3.9 mm body width, and standard 1.27 mm lead pitch. The package meets JEDEC MS-012 mechanical standards and supports reflow soldering per IPC/JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8, 12 | 1A, 2A, 3A, 4A | Independent first inputs of each NOR gate - Accept logic HIGH/LOW signals; internally clamped to VSS/VDD. |
| 2, 6, 9, 13 | 1B, 2B, 3B, 4B | Independent second inputs of each NOR gate - Enable dual-input logic evaluation per gate; share same clamping structure. |
| 3, 4, 10, 11 | 1Y, 2Y, 3Y, 4Y | Complementary NOR outputs - Sink/source current per gate; VOH ≥ 4.95 V and VOL ≤ 0.05 V at 5 V supply. |
| 7 | VSS | Digital ground reference - Must be connected to system 0 V plane; serves as return path for all internal currents. |
| 14 | VDD | Positive supply rail - Supplies all four gates; decoupling capacitor (100 nF) recommended within 10 mm of this pin. |
Key Features
| Feature | Design Value |
|---|---|
| Wide-Voltage Operation | 3.0–15.0 V supply range enables reuse across 5 V, 10 V, and 12 V subsystems without level-shifting. |
| Symmetrical Output Drive | Matched pull-up/pull-down strength (±1.1 mA at 5 V) ensures consistent rise/fall times and noise margin. |
| Input Clamp Protection | On-chip diodes allow safe overvoltage tolerance (up to VDD + 0.5 V) with simple series resistor interface. |
| High Noise Immunity | VIH = 11.0 V / VIL = 4.0 V at 15 V supply gives 7.0 V noise margin - robust against EMI in motor-drive environments. |
| Extended Temperature Range | -40 °C to +125 °C operation supports deployment in uncooled industrial cabinets and power-conversion modules. |
Applications
| Industrial Control Logic | Power Sequencing Circuits |
|---|---|
|
Use Scenario: Discrete safety interlock monitoring in PLC backplanes where multiple sensor inputs must inhibit actuator enable signals. IC Role / Device Role / Timing Role: NOR gate implements active-low OR logic: any fault input (HIGH) forces output LOW to disable downstream drivers. Use Value: Eliminates need for external pull-up resistors and reduces BOM count by integrating four independent gates in one SO14 package. |
Use Scenario: Controlled startup sequence for multi-rail DC-DC converters in telecom power supplies. IC Role / Device Role / Timing Role: Gates delay enable signals using RC networks on inputs to enforce strict voltage ramp order (e.g., 12 V before 3.3 V). Use Value: Propagation delay predictability (20–60 ns) ensures deterministic timing margins without FPGA or microcontroller overhead. |
| Legacy Microcontroller Interface | LED Driver Enable Logic |
|
Use Scenario: Expanding GPIO capability of 8-bit MCUs (e.g., 8051 derivatives) to manage external peripherals with active-low chip selects. IC Role / Device Role / Timing Role: NOR configuration converts MCU output polarity to match legacy peripheral enable requirements (e.g., /CS = NOR(A,B)). Use Value: Input clamp diodes tolerate mismatched voltage domains (e.g., 3.3 V MCU driving 5 V peripheral bus) with single series resistor per line. |
Use Scenario: Brightness control logic for multiplexed LED arrays in industrial HMI panels. IC Role / Device Role / Timing Role: NOR gates combine row/column scan signals to blank LEDs during transition periods and prevent ghosting. Use Value: Low dynamic power (PD = 14200 × fi + Σ(fo × CL) × VDD² μW at 15 V) minimizes self-heating in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad 2-input NOR gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CD4001BE | Same logic function but TI's implementation has higher typical propagation delay (150 ns at 5 V) and no specified CDM ESD rating. | Lower speed limits use in >1 MHz timing paths; lacks documented CDM robustness for automated assembly lines. | Select when cost sensitivity outweighs timing performance and ESD assurance is not required. |
| 74HC02D | Higher speed (15 ns typ at 5 V) but narrower 2–6 V supply range and no input clamp diodes. | Requires external protection for >6 V interface; unsuitable for 12 V industrial signal conditioning without level shifters. | Select only in 5 V-only systems demanding faster switching; avoid where mixed-supply interfacing is needed. |
Compared with CD4001BE and 74HC02D, the HEF4001BT,652 uniquely balances wide-voltage operation (3–15 V), integrated input clamping, and industrial-grade ESD robustness-making it the sole choice for legacy-compatible, mixed-rail logic in harsh environments.
Availability
HEF4001BT,652 is available at Aetrix Electronics and suitable for industrial control logic, power sequencing circuits, legacy microcontroller interface, and LED driver enable logic requiring stable component supply across long-lifecycle manufacturing programs.
Supply support for HEF4001BT,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 global semiconductor expert specializing in high-performance, high-reliability logic, analog, and discrete components, with R&D and manufacturing facilities across Asia, Europe, and the US.
The HEF4001BT,652 belongs to Nexperia's HEF4000B series of high-voltage CMOS logic devices, designed specifically for industrial, automotive-adjacent, and legacy-system replacement applications demanding wide supply range and ruggedized operation.
FAQ
What is the maximum allowable supply voltage for HEF4001BT,652?
The absolute maximum supply voltage is +18 V, but the recommended operating range is 3.0 V to 15.0 V per Table 5. Operation above 15.0 V voids parametric guarantees and risks accelerated aging due to increased junction stress, even if within limiting values.
Can HEF4001BT,652 safely interface with 24 V signals?
No - input voltage must remain between -0.5 V and VDD + 0.5 V (Table 4). To interface with 24 V signals, use an external current-limiting resistor (e.g., 10 kΩ) in series with each input, ensuring clamping current stays below ±10 mA while referencing VDD to the 24 V domain or using level-shifting circuitry.
Does HEF4001BT,652 require external pull-up or pull-down resistors on unused inputs?
Yes - unused inputs must be tied to VDD or VSS to prevent floating states that cause excessive supply current and potential oscillation. CMOS inputs have high impedance; leaving them open violates recommended operating conditions and may increase IDD beyond 30 μA at 125 °C.
Is HEF4001BT,652 qualified for automotive applications?
No - although rated for -40 °C to +125 °C ambient, it is not AEC-Q100 qualified and lacks automotive-specific reliability testing (e.g., HTOL, EFT, ISO 10605). Nexperia explicitly states non-automotive qualification in Section 14 of the datasheet; use only in industrial or commercial systems.
HEF4001BT,652 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 4000B
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- NOR Gate
- Number of Circuits:
- 4
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 3V ~ 15V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 3.4mA, 3.4mA
- Input Logic Level - Low:
- 1.5V ~ 4V
- Input Logic Level - High:
- 3.5V ~ 11V
- Max Propagation Delay @ V, Max CL:
- 40ns @ 15V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
HEF4001BT,652 FAQ
1.How can I place an order for HEF4001BT,652 through Aetrix?
Please submit a Request for Quotation (RFQ) for HEF4001BT,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 HEF4001BT,652 reliable?
The price and inventory of HEF4001BT,652 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HEF4001BT,652 is usually 5 days.
3.What payment methods are accepted for HEF4001BT,652?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HEF4001BT,652 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HEF4001BT,652?
HEF4001BT,652 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HEF4001BT,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 HEF4001BT,652?
For technical support, including HEF4001BT,652 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HEF4001BT,652 requirements.
6.How does Aetrix verify that HEF4001BT,652 is sourced from the original manufacturer or authorized distributors?
All HEF4001BT,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 HEF4001BT,652 meets industry standards.
7.What is the process for return or replacement of HEF4001BT,652?
All HEF4001BT,652 units undergo pre-shipment inspection (PSI). If there is an issue with HEF4001BT,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 HEF4001BT,652 part is unused and in its original packaging.
Return procedure for HEF4001BT,652:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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