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Nexperia USA Inc. 74HCT30DB,112
- Part No.:
- 74HCT30DB,112
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Gates and Inverters
- Package:
- 14-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
74HCT30DB,112.pdf
- Description:
- IC GATE NAND 1CH 8-INP 14SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,669
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Product details
Overview
74HCT30DB,112 from Nexperia is an 8-input NAND gate logic IC with TTL-compatible input thresholds, 4.5 V to 5.5 V supply operation, 16 ns typical propagation delay at VCC = 4.5 V, ±4 mA output drive, and SO14 (SOT108-1) package. It performs single-stage combinational logic inversion of eight parallel inputs in digital control, address decoding, and bus arbitration circuits.
For engineers reviewing the 74HCT30DB,112 datasheet, 74HCT30DB,112 pinout, 74HCT30DB,112 application, or 74HCT30DB,112 equivalent, this device is selected for high-noise-immunity 5 V logic interfacing where precise input voltage thresholds, low static current (<20 μA), and guaranteed -40 °C to +125 °C operation are required.
Technical Context
This device implements a single 8-input NAND function using CMOS technology with TTL-level input compatibility-VIH = 2.0 V min and VIL = 0.8 V max at VCC = 4.5–5.5 V. Its input structure includes clamp diodes enabling safe interface to voltages exceeding VCC when used with current-limiting resistors.
It operates across industrial and extended temperature ranges (-40 °C to +125 °C), supports dynamic loading up to 50 pF, and delivers rail-to-rail output swing (VOH ≥ 3.98 V, VOL ≤ 0.26 V at IO = ±4 mA). Propagation delay and transition time are characterized per IEC 62433 test conditions with defined measurement points (VM = 1.3 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | 8-input NAND: outputs LOW only when all eight inputs are HIGH; enables compact address decoding without external gates. |
| Supply Voltage Range | 4.5 V to 5.5 V: ensures compatibility with standard 5 V TTL and mixed-voltage systems while maintaining noise margin. |
| Propagation Delay | 16 ns typical (VCC = 4.5 V, CL = 50 pF): supports >30 MHz toggle rates in synchronous logic paths. |
| Output Drive | ±4.0 mA at VCC = 4.5 V: sufficient to drive 10 LSTTL loads or multiple CMOS inputs without buffering. |
| Input Thresholds | VIH = 2.0 V min, VIL = 0.8 V max: guarantees reliable recognition of legacy TTL signal levels in hybrid logic designs. |
| Operating Temperature | -40 °C to +125 °C: qualified for under-hood automotive modules, industrial PLCs, and high-reliability power supply controllers. |
| ESD Protection | HBM >2000 V, CDM >1000 V: reduces risk of field failure during handling and board assembly. |
Pinout & Package
74HCT30DB,112 is supplied in SO14 (SOT108-1) package: plastic small outline, 14-lead, 3.9 mm body width, 1.27 mm lead pitch, gull-wing leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A) | Data input | First of eight logic inputs; accepts TTL/CMOS levels; internally clamped for overvoltage tolerance. |
| 2 (B) | Data input | Second logic input; electrically identical to Pin 1; shares same VIH/VIL specs and ESD protection. |
| 3 (C) | Data input | Third logic input; no internal pull-up/down; requires explicit termination in open-drain or floating scenarios. |
| 4 (D) | Data input | Fourth logic input; contributes to NAND truth table; all eight must be HIGH to force output LOW. |
| 5 (E) | Data input | Fifth logic input; unbuffered CMOS input stage; input capacitance 3.5 pF limits high-frequency fan-out. |
| 6 (F) | Data input | Sixth logic input; same DC and AC characteristics as Pins 1–5; no special routing requirements. |
| 7 (GND) | Ground reference | Primary 0 V return path; must be low-impedance and adjacent to VCC for stable switching noise margin. |
| 8 (Y) | Data output | Inverted NAND result; push-pull CMOS output capable of sourcing/sinking ±4 mA at 4.5 V. |
| 9 (n.c.) | Not connected | No internal bond wire; must remain unconnected on PCB to avoid parasitic coupling or mechanical stress. |
| 10 (n.c.) | Not connected | Unused terminal; leave floating; do not tie to GND/VCC or route traces to this pad. |
| 11 (G) | Data input | Seventh logic input; positioned for symmetrical layout; matches timing and loading of other inputs. |
| 12 (H) | Data input | Eighth and final logic input; completes full 8-input function; identical electrical behavior to Pin 1. |
| 13 (n.c.) | Not connected | Manufacturing dummy pad; no internal connection; omit from footprint or mark as NC in schematic. |
| 14 (VCC) | Supply voltage | +4.5 V to +5.5 V power rail; requires local 100 nF ceramic decoupling within 5 mm of this pin. |
Key Features
| Feature | Design Value |
|---|---|
| TTL-compatible inputs | VIH = 2.0 V min / VIL = 0.8 V max enables direct interface with legacy 5 V TTL outputs without level shifters. |
| High noise immunity | Typical noise margin >1.2 V at VCC = 5 V ensures robust operation in electrically noisy motor-control or power-conversion environments. |
| Wide temperature range | Specified from -40 °C to +125 °C supports deployment in automotive engine control units and industrial inverters. |
| Low static power | ICC ≤ 20 μA at 25 °C and ≤ 40 μA at +125 °C minimizes quiescent current in always-on monitoring circuits. |
| Input clamp diodes | Integrated diodes allow safe interfacing to signals up to VCC + 0.5 V using external current-limiting resistors. |
Applications
| Industrial PLC I/O Expansion | Automotive Body Control Module |
|---|---|
Use Scenario: Decoding 8-bit address lines to enable peripheral registers in modular I/O racks. IC Role / Device Role / Timing Role: Single-gate NAND performs address-enable logic; eliminates need for multi-gate packages and reduces board space. Use Value: Guaranteed 16 ns propagation delay ensures setup/hold timing compliance with 25 MHz microcontroller buses. |
Use Scenario: Combining door lock, window lift, and mirror position sensor status into a single fault flag. IC Role / Device Role / Timing Role: Active-LOW NAND output triggers MCU interrupt when all eight sensors report valid states. Use Value: -40 °C to +125 °C rating and 2000 V HBM ESD withstand ensure reliability in under-dash harness environments. |
| Medical Infusion Pump Logic | Telecom Line Card Status Monitoring |
Use Scenario: Validating eight independent safety interlock signals before enabling motor actuation. IC Role / Device Role / Timing Role: NAND gate acts as hardware AND-NOT gate: output LOW only if all interlocks are closed. Use Value: Latch-up immunity >100 mA prevents catastrophic failure during ESD events near patient interfaces. |
Use Scenario: Aggregating link-up status from eight Ethernet PHYs into one FPGA interrupt line. IC Role / Device Role / Timing Role: Level-shifting NAND interfaces 3.3 V PHY outputs to 5 V FPGA inputs via resistor-limited clamping. Use Value: Input clamp diodes and 4.5–5.5 V supply range simplify mixed-voltage signal aggregation without discrete diodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-input NAND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT30D,112 | Same die, identical SO14 package and electrical specs; differs only in ordering suffix (no functional impact). | No difference: pin-compatible, drop-in replacement with identical thermal and timing behavior. | Select when standard part number format is required for BOM alignment or procurement system constraints. |
| SN74HCT30DR | Texas Instruments variant: VIH = 2.0 V min, but VOH = 4.4 V min at IO = -4 mA (vs. 3.98 V min for Nexperia). | Higher VOH improves noise margin in long-trace backplanes but increases dynamic power slightly. | Prefer for systems requiring >0.4 V extra HIGH-level margin; verify layout can accommodate TI's slightly higher ICC. |
Compared with 74HCT30D,112, the 74HCT30DB,112 offers identical functionality and performance; versus SN74HCT30DR, it trades 0.42 V lower VOH for 10% lower typical ICC and tighter JEDEC JESD7A compliance.
Availability
74HCT30DB,112 is available at Aetrix Electronics and suitable for industrial PLC I/O expansion, automotive body control modules, medical infusion pump logic, and telecom line card status monitoring requiring stable component supply across extended temperature and long product lifecycles.
Supply support for 74HCT30DB,112 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 headquartered in Nijmegen, Netherlands, specializing in high-volume logic, analog, and discrete components with focus on efficiency, reliability, and sustainability.
The 74HCT30 belongs to Nexperia's 74HCT logic family-designed specifically for TTL-to-CMOS interfacing in 5 V systems where noise immunity, wide temperature operation, and low static power are critical.
FAQ
What is the maximum clock frequency supported by the 74HCT30DB,112?
The 74HCT30DB,112 is a combinational logic gate-not a clocked device-so it has no inherent clock frequency limit. Its usable toggle rate depends on propagation delay (16 ns typical) and load capacitance. With CL = 50 pF, it reliably supports signal transitions up to ~30 MHz in well-designed PCB layouts with proper decoupling and termination.
Can 74HCT30DB,112 operate at 3.3 V supply?
No. The 74HCT30DB,112 is specified only for 4.5 V to 5.5 V operation per its recommended operating conditions. At 3.3 V, VIH and VIL thresholds become undefined, output drive degrades significantly, and timing parameters are not guaranteed. For 3.3 V systems, use 74LVC30 or 74AHC30 instead.
Are pins 9, 10, and 13 internally connected?
No. Pins 9, 10, and 13 are explicitly designated "n.c." (not connected) in the official Nexperia datasheet. They have no internal bond wires or silicon connections. These pins must remain unconnected on the PCB-neither tied to GND nor routed-to prevent mechanical stress or parasitic coupling.
How does the input clamp diode affect interfacing with 12 V signals?
The integrated input clamp diodes allow safe interface to voltages up to VCC + 0.5 V. To connect a 12 V signal, a series current-limiting resistor must be used to restrict IIK to ≤±20 mA (per Absolute Maximum Ratings). For VCC = 5 V, a minimum 350 Ω resistor ensures diode current stays within spec during overvoltage events.
74HCT30DB,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74HCT
- Package/Case:
- 14-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- NAND Gate
- Number of Circuits:
- 1
- Number of Inputs:
- 8
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 2 µA
- Current - Output High, Low:
- 4mA, 4mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 28ns @ 4.5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SSOP
74HCT30DB,112 FAQ
1.How can I place an order for 74HCT30DB,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT30DB,112 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 74HCT30DB,112 reliable?
The price and inventory of 74HCT30DB,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT30DB,112 is usually 5 days.
3.What payment methods are accepted for 74HCT30DB,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT30DB,112 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HCT30DB,112?
74HCT30DB,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HCT30DB,112 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 74HCT30DB,112?
For technical support, including 74HCT30DB,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT30DB,112 requirements.
6.How does Aetrix verify that 74HCT30DB,112 is sourced from the original manufacturer or authorized distributors?
All 74HCT30DB,112 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 74HCT30DB,112 meets industry standards.
7.What is the process for return or replacement of 74HCT30DB,112?
All 74HCT30DB,112 units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT30DB,112, 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 74HCT30DB,112 part is unused and in its original packaging.
Return procedure for 74HCT30DB,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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