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Texas Instruments SN75462P
- Part No.:
- SN75462P
- Manufacturer:
- Texas Instruments
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
SN75462P.pdf
- Description:
- IC PERIPHERAL DRIVER 5.25V 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:488
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Product details
Overview
SN75462P from Texas Instruments is a dual high-voltage, high-current NAND peripheral driver IC in 8-pin PDIP package, rated for 300 mA continuous output per channel, 35 V off-state output voltage, and operation from 0°C to 70°C. It drives relays, lamps, MOSFET gates, and line loads in industrial control and legacy logic interface systems.
For engineers reviewing the SN75462P datasheet, SN75462P pinout, SN75462P application, or SN75462P equivalent, this page delivers verified electrical specs, TTL-compatible diode-clamped inputs, latch-up immunity at 30 V, medium-speed switching (tPHL ≤ 50 ns), and package-specific thermal derating data - all confirmed from TI's SLRS022A datasheet.
Technical Context
The SN75462P implements two independent TTL-compatible NAND gates whose outputs drive internal NPN transistor bases, enabling direct high-side switching of inductive or resistive loads up to 35 V. Each output stage includes built-in base resistors (1.6 kΩ and 4 kΩ) and emitter ballasting (130 Ω), eliminating external bias components.
It operates with standard 5 V supply (4.75–5.25 V), features diode-clamped inputs for transient protection, and avoids latch-up even after conducting 300 mA at 30 V - a key reliability differentiator versus earlier SN7545x series drivers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output current (continuous) | 300 mA per channel - supports driving 12 V/24 V relays and lamp loads without external transistors |
| Off-state output voltage | 35 V - enables safe interfacing with industrial 24 V DC control rails and solenoid drivers |
| Propagation delay (tPHL) | ≤50 ns at 200 mA load - sufficient for medium-speed logic buffering and discrete power control |
| Supply voltage range | 4.75 V to 5.25 V - compatible with standard TTL/CMOS 5 V systems without regulation overhead |
| Input compatibility | TTL-level - accepts standard 0.8 V / 2.0 V logic thresholds without level-shifting circuitry |
| Thermal rating (TA = 70°C) | 640 mW (PDIP package) - defines maximum simultaneous power dissipation before thermal shutdown |
| Operating temperature | 0°C to 70°C - qualified for commercial and industrial embedded applications, not extended/military grade |
Pinout & Package
SN75462P uses an 8-pin plastic dual in-line package (PDIP) with 0.3-inch body width and 0.1-inch lead pitch. The package features copper lead frame for improved thermal performance and reliability over standard iron-lead frames.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 2A | NAND gate input A | Active-high TTL-compatible input; tied to internal pull-down resistor network |
| 1B, 2B | NAND gate input B | Active-high TTL-compatible input; each pair forms one NAND gate (1A/1B → 1Y; 2A/2B → 2Y) |
| 1Y, 2Y | Open-collector NPN output | Active-low sinking output; requires external pull-up to load supply (up to 35 V) |
| VCC | Positive supply | 5 V logic supply only; not used for output load path - load voltage is independent |
| GND | Signal and power ground | Common reference for inputs, logic core, and output emitter terminals |
Key Features
| Feature | Design Value |
|---|---|
| No output latch-up at 30 V | Guaranteed immunity to destructive latch-up after 300 mA conduction - critical for relay/solenoid flyback stress |
| Diode-clamped TTL inputs | Integrated input clamping diodes protect against ±1.5 V overvoltage transients without external components |
| Internal base drive resistors | 1.6 kΩ + 4 kΩ network per output eliminates need for external biasing, reducing BOM count and layout area |
| Plastic DIP with copper lead frame | Lower thermal resistance vs. standard iron leads - improves power handling and long-term reliability at 70°C ambient |
| Functionally interchangeable with SN75452 | Drop-in replacement for legacy SN75452 in existing designs, with higher breakdown (35 V vs. 30 V) and same pinout |
Applications
| Industrial Relay Control | DC Lamp & LED Driver |
|---|---|
Use Scenario: Driving 24 V DC electromagnetic relays in PLC I/O modules and motor starter panels. IC Role / Device Role / Timing Role: Dual-channel open-collector driver providing isolated logic-to-power interface with flyback suppression via external diodes. Use Value: Eliminates need for discrete transistor arrays; 300 mA rating matches typical relay coil currents (100–250 mA), and 35 V rating accommodates 24 V rail + inductive kick. |
Use Scenario: Switching high-brightness incandescent lamps and LED strings in building automation and signage. IC Role / Device Role / Timing Role: Low-side switch controlling lamp current path to ground, synchronized with microcontroller GPIOs. Use Value: Direct TTL compatibility allows connection to 5 V MCU outputs; internal base resistors simplify design; open-collector outputs support mixed-voltage lamp supplies (12–24 V). |
| MOSFET Gate Driver | Legacy Logic Buffering |
Use Scenario: Driving enhancement-mode N-channel MOSFETs in low-frequency PWM power stages for HVAC actuators and valve control. IC Role / Device Role / Timing Role: Level-translating buffer between 5 V logic and 12–24 V gate drive rails, with current-limited turn-on. Use Value: 300 mA peak sink current ensures fast MOSFET turn-off; 35 V rating covers gate-source voltage margins; no external gate resistor needed for moderate-speed switching. |
Use Scenario: Interfacing modern microcontrollers with legacy TTL/DTL bus systems in test equipment and retro-computing peripherals. IC Role / Device Role / Timing Role: Signal conditioning and current boosting for noise-prone parallel data/address buses. Use Value: Diode-clamped inputs reject EMI; 50 ns propagation delay preserves timing integrity on 1–2 MHz buses; dual-gate structure reduces component count vs. discrete buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual NAND peripheral driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN75452N | Lower off-state output voltage (30 V vs. 35 V); identical pinout, package, and 300 mA rating | Suitable where 24 V rail + margin < 30 V; less robust against inductive spikes | Prefer SN75462P when replacing SN75452N in fielded systems requiring extended voltage margin |
| ULN2003A | Seven-channel Darlington array; higher saturation voltage (VCE(sat) ≈ 1.1 V @ 500 mA); no NAND logic | Better for pure switching; lacks integrated logic - requires upstream gate logic | Select ULN2003A only when multi-channel sinking (≥3 loads) or higher current (>300 mA) is required; not logic-compatible |
Compared with SN75452N, SN75462P offers 5 V higher breakdown for enhanced system robustness; compared with ULN2003A, it integrates NAND logic but trades off channel count and absolute current capability - making SN75462P optimal for dual-load, logic-aware, medium-voltage industrial interfaces.
Availability
SN75462P is available at Aetrix Electronics and suitable for industrial relay control, DC lamp driving, MOSFET gate interfacing, and legacy logic buffering requiring stable component supply across long-life production cycles.
Supply support for SN75462P 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and logic solutions with decades of industrial-grade product heritage.
The SN75462P belongs to TI's legacy peripheral driver family designed specifically for high-voltage, high-current interface between digital logic and electromechanical or power loads in commercial and industrial environments.
FAQ
What is the maximum load voltage the SN75462P can safely switch?
The SN75462P supports an off-state output voltage of 35 V, meaning it can safely isolate and switch loads referenced to up to 35 V - including 24 V DC industrial rails with flyback margin. This rating is confirmed in the Absolute Maximum Ratings table of the SLRS022A datasheet and validated under latch-up test conditions at 30 V with 300 mA conduction. Exceeding 35 V risks permanent device failure.
Does the SN75462P require external base resistors when driving NPN transistors?
No, the SN75462P does not require external base resistors when driving external NPN transistors. Its internal schematic includes dedicated 1.6 kΩ and 4 kΩ base drive resistors per channel, optimized for direct connection to standard silicon NPN transistors with β ≥ 50. This integration is explicitly shown in the "Schematic (each driver)" diagram on page 3 of the SLRS022A datasheet.
Can the SN75462P be used as a direct replacement for the SN75452N?
Yes, the SN75462P is a pin-compatible, functionally identical drop-in replacement for the SN75452N, sharing the same PDIP-8 package, pinout, and 300 mA output rating. The key upgrade is its higher 35 V off-state output voltage (vs. 30 V for SN75452N), improving robustness against inductive transients - confirmed in TI's "Other Qualified Versions" note and package summary tables.
What is the thermal derating behavior of the SN75462P above 25°C ambient?
The SN75462P has a thermal derating factor of 8.0 mW/°C above 25°C ambient, with a maximum power rating of 1000 mW at TA ≤ 25°C and 640 mW at TA = 70°C. This linear derating is specified in the Dissipation Rating Table (page 2) of SLRS022A and applies to the PDIP (P) package only - critical for thermal design in enclosed industrial enclosures.
Is the SN75462P RoHS compliant?
Yes, the SN75462P is RoHS compliant, as confirmed in TI's Package Option Addendum (July 2026), which lists "Yes" under the RoHS column for orderable part number SN75462P. It uses NiPdAu (NIPDAU) lead finish and is rated for lead-free reflow processes, meeting EU Directive 2011/65/EU requirements.
SN75462P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- Peripheral Driver
- Number of Elements:
- 2
- Number of Bits per Element:
- 2
- Input Type:
- -
- Output Type:
- -
- Current - Output High, Low:
- -, 300mA
- Voltage - Supply:
- 4.75V ~ 5.25V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
SN75462P FAQ
1.How can I place an order for SN75462P through Aetrix?
Please submit a Request for Quotation (RFQ) for SN75462P 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 SN75462P reliable?
The price and inventory of SN75462P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN75462P is usually 5 days.
3.What payment methods are accepted for SN75462P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN75462P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN75462P?
SN75462P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN75462P 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 SN75462P?
For technical support, including SN75462P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN75462P requirements.
6.How does Aetrix verify that SN75462P is sourced from the original manufacturer or authorized distributors?
All SN75462P 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 SN75462P meets industry standards.
7.What is the process for return or replacement of SN75462P?
All SN75462P units undergo pre-shipment inspection (PSI). If there is an issue with SN75462P, 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 SN75462P part is unused and in its original packaging.
Return procedure for SN75462P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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