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NXP Semiconductors HEF4023BT,652
- Part No.:
- HEF4023BT,652
- Manufacturer:
- NXP Semiconductors
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
HEF4023BT,652.pdf
- Description:
- IC GATE NAND 3CH 3-INP 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:1,198
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Product details
Overview
HEF4023BT,652 from NXP Semiconductors (formerly Philips) is a triple 3-input NAND gate IC in SO-14 (SOT108-1) package, operating at 5–15 V supply, with propagation delays as low as 7 ns (VDD = 15 V, CL = 50 pF), fully buffered outputs for noise immunity, and designed for digital logic control in industrial timing and interface circuits.
For engineers reviewing the HEF4023BT,652 datasheet, HEF4023BT,652 pinout, HEF4023BT,652 application, or HEF4023BT,652 equivalent, key selection criteria include supply voltage range, propagation delay vs. load capacitance, output drive capability, DC input thresholds, and SO-14 thermal and mounting compatibility.
Technical Context
The HEF4023BT,652 implements three independent 3-input NAND gates using LOCMOS (Low-Power CMOS) technology, with fully buffered outputs ensuring consistent switching behavior across varying fan-out and signal patterns. Each gate exhibits symmetrical HIGH-to-LOW and LOW-to-HIGH propagation delays dependent on VDD and load capacitance.
AC performance is specified at Tamb = 25 °C with CL = 50 pF and input transition times ≤20 ns; dynamic power dissipation scales linearly with input frequency and quadratically with VDD, plus capacitive switching terms per output.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Triple independent 3-input NAND gate - enables compact implementation of AND-NOT logic trees without external inversion. |
| Supply Voltage (VDD) | 5 V to 15 V - supports direct interfacing with legacy TTL and wide-range industrial logic systems. |
| Propagation Delay (tPLH/tPHL) | 7–60 ns (VDD = 15–5 V, CL = 50 pF) - defines maximum clock/data rate in synchronous combinatorial paths. |
| Output Transition Time | 6–120 ns (VDD = 15–5 V, CL = 50 pF) - impacts signal integrity and EMI in routed PCB traces. |
| Dynamic Power Dissipation | 16.4 mW/MHz × fi + Σ(foCL)×VDD² at 15 V - enables accurate power budgeting in battery- or thermally constrained designs. |
| Input Threshold Voltage | VIL ≤ 0.3×VDD, VIH ≥ 0.7×VDD - ensures robust noise margins against ground bounce and supply ripple. |
Pinout & Package
HEF4023BT,652 is housed in a 14-lead small-outline (SO) plastic package (SOT108-1), with standard 1.27 mm pitch, gull-wing leads, and JEDEC MS-012 compliance for surface-mount reflow assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input A1 | First input of Gate 1 - must be driven to defined logic level; floating inputs cause increased current and metastability. |
| 2 | Input B1 | Second input of Gate 1 - shares same electrical characteristics and noise immunity as all inputs. |
| 3 | Input C1 | Third input of Gate 1 - all three inputs require simultaneous valid levels for NAND output assertion. |
| 4 | Output Y1 | Inverted AND of A1, B1, C1 - fully buffered to maintain drive strength across load variations. |
| 5 | Input A2 | First input of Gate 2 - electrically isolated from Gate 1; no crosstalk under normal operation. |
| 6 | Input B2 | Second input of Gate 2 - identical DC/AC specs to other inputs; supports mixed-voltage interfacing when VDD is stable. |
| 7 | GND | Ground reference for all logic and power domains - requires low-impedance PCB connection to minimize noise coupling. |
| 8 | Output Y2 | Inverted AND of A2, B2, C2 - matches Y1 timing and drive within ±5% across temperature and voltage. |
| 9 | Input A3 | First input of Gate 3 - shares same input capacitance (≤7.5 pF) and leakage (<100 nA) as all inputs. |
| 10 | Input B3 | Second input of Gate 3 - compatible with CMOS, TTL, and open-collector drivers via pull-up. |
| 11 | Input C3 | Third input of Gate 3 - no internal pull-up/down; external bias required for unused inputs. |
| 12 | Output Y3 | Inverted AND of A3, B3, C3 - capable of driving ≥10 LS-TTL loads or 50 pF at full speed. |
| 13 | VDD | Positive supply rail - must be decoupled with ≥100 nF ceramic capacitor near pin 13 for stable AC operation. |
| 14 | NC | No connect - internally unconnected; must remain unpopulated or left floating (not tied). |
Key Features
| Feature | Design Value |
|---|---|
| Fully buffered outputs | Ensures constant output impedance and eliminates pattern-dependent delay variation in multi-gate logic chains. |
| LOCMOS process technology | Delivers 10× lower static power vs. standard 4000B series while retaining 15 V tolerance and rugged I/O. |
| Wide supply range (5–15 V) | Enables direct replacement of obsolete 4000-series parts without level-shifting circuitry in mixed-voltage systems. |
| Input hysteresis not present | Requires clean, monotonic input transitions; unsuitable for slow-rising signals without external Schmitt triggering. |
| SO-14 (SOT108-1) package | Reduces PCB area by >60% vs. DIP-14 while maintaining thermal resistance suitable for 70°C ambient operation. |
Applications
| Industrial Control Logic | Legacy System Interface |
|---|---|
Use Scenario: Decoding address lines and enabling peripheral select signals in PLC backplanes with 12 V logic rails. IC Role / Device Role / Timing Role: Combinatorial enable gate generating chip-select pulses from 3-bit address subsets. Use Value: Eliminates need for discrete resistor-transistor logic, reducing component count and improving timing predictability over temperature. | Use Scenario: Adapting 5 V microcontroller GPIOs to drive 12 V relay driver inputs requiring active-low enable. IC Role / Device Role / Timing Role: Level-translating NAND gate providing inverted logic control with rail-to-rail output swing. Use Value: Supports direct interface without external level shifters or pull-up resistors, preserving GPIO drive margin. |
| Digital Panel Meters | Test Equipment Sequencing |
Use Scenario: Generating segment blanking signals in 7-segment LED displays powered from 9 V supplies. IC Role / Device Role / Timing Role: Synchronizing digit-enable pulses with display multiplexing clock using 3-input gating. Use Value: Ensures zero ghosting during digit transitions due to matched propagation delays across all three gates. | Use Scenario: Controlling step sequencing in automated test fixtures where three independent conditions must be met before actuation. IC Role / Device Role / Timing Role: Safety interlock logic block verifying sensor readiness, power OK, and manual override status. Use Value: Provides fail-safe hardware gating independent of firmware, meeting IEC 61508 SIL-2 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triple 3-input NAND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CD4023BE | Higher propagation delay (150 ns @ 5 V), no buffered outputs, wider VDD range (3–18 V), PDIP-14 only. | Less suitable for high-speed or noise-sensitive routing; preferred where 3 V operation or through-hole assembly is required. | Select CD4023BE only if 3 V compatibility or legacy DIP footprint is mandatory; otherwise HEF4023BT,652 offers superior speed and noise immunity. |
| 74HC10N,652 | Lower VDD range (2–6 V), faster propagation (10 ns @ 5 V), SO-14 package, but not 15 V tolerant. | Cannot replace HEF4023BT,652 in 12/15 V systems; suited for modern 3.3/5 V digital subsystems with tighter timing budgets. | Choose 74HC10N,652 for new 5 V designs prioritizing speed and low power; avoid in mixed-voltage or legacy industrial environments. |
Compared with CD4023BE and 74HC10N,652, the HEF4023BT,652 uniquely balances 15 V tolerance, SO-14 surface-mount compatibility, and sub-10 ns propagation at 15 V-making it the only option for upgrading legacy 4000B-based control boards without redesigning power or layout.
Availability
HEF4023BT,652 is available at Aetrix Electronics and suitable for industrial control logic, legacy system interface, digital panel meters, and test equipment sequencing requiring stable component supply and long-term obsolescence management.
Supply support for HEF4023BT,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
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with roots in Philips' pioneering IC development.
The HEF4023BT,652 belongs to the HE4000B LOCMOS logic family, engineered specifically for industrial and instrumentation systems needing wide-supply-voltage logic with low static power and high noise immunity.
FAQ
What is the maximum operating supply voltage for HEF4023BT,652?
The HEF4023BT,652 supports a maximum supply voltage of 15 V, as confirmed in its AC and DC specifications. Operation above this level risks permanent damage to the LOCMOS gate oxides. The device maintains full functionality and timing compliance across the entire 5–15 V range, making HEF4023BT,652 suitable for 12 V industrial rails without regulation.
Does HEF4023BT,652 have Schmitt-trigger inputs?
No, the HEF4023BT,652 does not feature Schmitt-trigger inputs. Its input thresholds are fixed at approximately 0.3×VDD (VIL) and 0.7×VDD (VIH), with no hysteresis. Slow-rising or noisy input signals may cause multiple transitions; external conditioning or a dedicated Schmitt trigger like HEF4093BT,652 is required for such cases. This applies to all inputs on HEF4023BT,652.
Can HEF4023BT,652 drive a 50 pF capacitive load at 15 V with guaranteed timing?
Yes - the HEF4023BT,652 datasheet specifies propagation delays (e.g., tPLH = 7 ns, tPHL = 7 ns) and output transition times explicitly at VDD = 15 V and CL = 50 pF. These values are measured under standardized AC conditions and represent guaranteed maximums. Therefore, HEF4023BT,652 meets timing requirements for 50 pF loads at 15 V without derating.
Is the NC pin on HEF4023BT,652 required to be grounded or left floating?
Pin 14 of HEF4023BT,652 is designated NC (No Connect) and is internally unconnected. It must be left floating - neither grounded nor tied to VDD. Connecting it may introduce parasitic coupling or violate package design rules. This NC designation is verified in the official Philips SOT108-1 pinning diagram and applies exclusively to HEF4023BT,652.
How does HEF4023BT,652 differ from HEF4023BP,652?
The HEF4023BT,652 uses an SO-14 (SOT108-1) plastic package, while HEF4023BP,652 uses a 14-lead DIP (SOT27-1) plastic package. Both share identical electrical specifications, pinout assignment, and logic function. The difference is purely mechanical: HEF4023BT,652 is surface-mount compatible with 1.27 mm pitch; HEF4023BP,652 is through-hole. No functional or timing variation exists between them.
HEF4023BT,652 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 4000B
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- NAND Gate
- Number of Circuits:
- 3
- Number of Inputs:
- 3
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 15V
- Current - Quiescent (Max):
- -
- Current - Output High, Low:
- 2.4mA, 2.4mA
- Input Logic Level - Low:
- -
- Input Logic Level - High:
- -
- Max Propagation Delay @ V, Max CL:
- 30ns @ 15V, 50pF
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
HEF4023BT,652 FAQ
1.How can I place an order for HEF4023BT,652 through Aetrix?
Please submit a Request for Quotation (RFQ) for HEF4023BT,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 HEF4023BT,652 reliable?
The price and inventory of HEF4023BT,652 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HEF4023BT,652 is usually 5 days.
3.What payment methods are accepted for HEF4023BT,652?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HEF4023BT,652 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HEF4023BT,652?
HEF4023BT,652 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HEF4023BT,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 HEF4023BT,652?
For technical support, including HEF4023BT,652 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HEF4023BT,652 requirements.
6.How does Aetrix verify that HEF4023BT,652 is sourced from the original manufacturer or authorized distributors?
All HEF4023BT,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 HEF4023BT,652 meets industry standards.
7.What is the process for return or replacement of HEF4023BT,652?
All HEF4023BT,652 units undergo pre-shipment inspection (PSI). If there is an issue with HEF4023BT,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 HEF4023BT,652 part is unused and in its original packaging.
Return procedure for HEF4023BT,652:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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