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Texas Instruments SN74ALS1035N
- Part No.:
- SN74ALS1035N
- Manufacturer:
- Texas Instruments
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
SN74ALS1035N.pdf
- Description:
- IC BUF NON-INVERT 5.5V 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:498
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Product details
Overview
SN74ALS1035N from Texas Instruments is a hex noninverting buffer IC with open-collector outputs, designed for wired-OR/AND logic interfacing and level translation in TTL-compatible systems. It operates at 4.5–5.5 V, delivers 24 mA low-level output current, exhibits 12 ns max tPHL propagation delay, and features 0.4 V max VOL at 24 mA - enabling robust drive into pull-up networks in industrial control and legacy bus interface applications.
For engineers reviewing the SN74ALS1035N datasheet, SN74ALS1035N pinout, SN74ALS1035N application, or SN74ALS1035N equivalent, this device is selected for discrete logic expansion, bus arbitration, LED driving, and mixed-voltage signal conditioning where open-collector flexibility and ALS family speed-power balance are required.
Technical Context
The SN74ALS1035N implements six independent noninverting buffers (Y = A) using Advanced Low-Power Schottky (ALS) bipolar technology. Each output is open-collector, requiring external pull-up resistors and supporting active-low wired-OR or active-high wired-AND configurations.
It operates across 0°C to 70°C, supports 5 V nominal supply, and is characterized for VIH ≥ 2 V, VIL ≤ 0.8 V, and VOH up to 5.5 V - ensuring compatibility with standard TTL and LSTTL inputs while enabling higher VOH via external pull-up selection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Hex noninverting buffer (Y = A), six independent channels |
| Output Type | Open-collector - requires external pull-up; enables wired-OR/AND and level shifting |
| VCC Range | 4.5 V to 5.5 V - compatible with standard 5 V TTL power rails |
| IOL (max) | 24 mA - drives moderate loads (e.g., LEDs, multiple TTL inputs, or 680 Ω pull-up) |
| tPHL / tPLH (max) | 12 ns / 30 ns at VCC = 4.5–5.5 V, CL = 50 pF - ALS-speed performance for legacy timing-critical logic |
| VOL (max) | 0.4 V at IOL = 12 mA; 0.5 V at IOL = 24 mA - ensures solid logic-low margin under load |
| VIK (min) | –1.5 V - provides input clamp protection against negative transients |
Pinout & Package
SN74ALS1035N is housed in a 14-pin plastic dual in-line package (PDIP-N), 0.300-inch width, with standard through-hole mounting and industry-standard pin spacing (0.100 inch). Pin 1 is marked by a notch or dot on the package body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 2A, 3A, 4A, 5A, 6A | Buffer input | Independent TTL-compatible digital inputs; VIH ≥ 2 V, VIL ≤ 0.8 V |
| 1Y, 2Y, 3Y, 4Y, 5Y, 6Y | Open-collector output | Active-low sinking outputs; require external pull-up for logic-high assertion |
| 7 | GND | Ground reference for all internal circuitry and output sinks |
| 14 | VCC | Positive supply rail (4.5–5.5 V); powers all six buffers |
Key Features
| Feature | Design Value |
|---|---|
| ALS technology | Delivers 2× speed vs. LS-TTL with comparable power - 14 mA typical ICC at 5 V |
| Open-collector outputs | Enables direct wired-OR of multiple outputs without external diodes or logic gates |
| High sink current (24 mA) | Drives LEDs directly or interfaces with multiple TTL/LSTTL inputs (fan-out ≥ 20) |
| Input clamping (VIK = –1.5 V) | Protects against negative voltage transients during hot-swap or ESD events |
| TTL-compatible thresholds | Guaranteed VIH ≥ 2 V and VIL ≤ 0.8 V ensure reliable interoperability with legacy 5 V logic families |
Applications
| Industrial Bus Arbitration | LED Driver Interface |
|---|---|
|
Use Scenario: Multiple microcontrollers share a common status bus, requiring collision-free signaling via wired-OR handshake lines. IC Role / Device Role / Timing Role: SN74ALS1035N provides open-collector buffering for bidirectional bus lines, enabling active-low arbitration signals with precise 12 ns tPHL timing. Use Value: Eliminates need for discrete diodes or additional logic; 24 mA sink capability ensures fast bus release and noise-immune low-state integrity. |
Use Scenario: Driving 20 mA indicator LEDs from a 5 V microcontroller GPIO with limited current sourcing capability. IC Role / Device Role / Timing Role: SN74ALS1035N acts as a current-sinking driver, accepting TTL-level enable signals and sinking LED current to ground. Use Value: Enables direct LED control without series resistors on the MCU side; open-collector architecture allows shared anode configuration and brightness tuning via pull-up selection. |
| Mixed-Voltage Level Translation | Legacy System Logic Expansion |
|
Use Scenario: Interfacing a 5 V microcontroller to a 12 V sensor alarm line that asserts low on fault. IC Role / Device Role / Timing Role: SN74ALS1035N buffers the MCU output and sinks current into a 12 V pull-up, translating 0–5 V logic to 0–12 V signaling. Use Value: Achieves safe, unidirectional level shift without level-shifter ICs; VOH defined by external pull-up voltage, not VCC - supports up to 7 V absolute max output voltage. |
Use Scenario: Adding three additional noninverting buffers to a vintage test equipment PCB originally populated with SN74LS07. IC Role / Device Role / Timing Role: SN74ALS1035N replaces LS-series buffers with faster propagation (12 ns vs. 25 ns) and lower power (14 mA vs. 22 mA ICC). Use Value: Maintains pin-compatible drop-in upgrade path (same PDIP-14 footprint and function), improving system timing margin while reducing thermal load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar hex noninverting buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LS07N | Lower sink current (40 mA max), slower speed (25 ns tPHL), higher ICC (22 mA typ) | Compatible for static LED driving but marginal in high-frequency bus arbitration due to longer delay | Choose when cost sensitivity outweighs speed/power needs; verify VOL remains < 0.5 V at target IOL |
| SN74F07N | Faster (10 ns tPHL), higher ICC (30 mA typ), no input clamping (VIK = –1.2 V) | Better for high-speed clock distribution, but less robust against negative transients than SN74ALS1035N | Prefer for timing-critical paths where fan-out and noise immunity are secondary to propagation delay |
Compared with SN74LS07N and SN74F07N, the SN74ALS1035N uniquely balances ALS-speed (12 ns tPHL), low power (14 mA ICC), and robust input clamping (–1.5 V VIK), making it optimal for industrial bus interfaces where reliability, timing, and legacy compatibility coexist.
Availability
SN74ALS1035N is available at Aetrix Electronics and suitable for industrial control panels, legacy test equipment upgrades, and embedded system I/O expansion requiring stable component supply, long-lifecycle support, and through-hole manufacturability.
Supply support for SN74ALS1035N 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 founded in 1930, specializing in analog, embedded processing, and logic solutions for industrial, automotive, and communications markets.
The SN74ALS1035N belongs to TI's legacy Advanced Low-Power Schottky (ALS) logic family, engineered for high-speed, low-power TTL-compatible interfacing in mission-critical and long-lifecycle systems.
FAQ
What is the maximum allowable supply voltage for SN74ALS1035N?
The absolute maximum supply voltage (VCC) for SN74ALS1035N is 7 V, per the datasheet's Absolute Maximum Ratings table. However, recommended operation is strictly 4.5 V to 5.5 V. Exceeding 5.5 V risks parametric degradation or permanent damage, even if below 7 V - always maintain VCC within the recommended range for reliable SN74ALS1035N operation.
Does SN74ALS1035N support true wired-AND functionality?
Yes - the SN74ALS1035N's open-collector outputs enable active-high wired-AND when pulled up to VCC (or another logic-high voltage). Connecting multiple SN74ALS1035N outputs together with a shared pull-up resistor yields Y = A₁ · A₂ · … · Aₙ. This is explicitly supported in the datasheet's functional description and load-circuit diagrams.
Can SN74ALS1035N drive a 10 mA LED directly?
Yes - SN74ALS1035N guarantees 24 mA sink current (IOL) with VOL ≤ 0.4 V at 12 mA and ≤ 0.5 V at 24 mA. Driving a 10 mA LED is well within specification. Select a pull-up resistor (e.g., 470 Ω to 5 V) to set forward current; ensure total power dissipation per output stays below 100 mW.
Is SN74ALS1035N pin-compatible with SN74LS07N?
Yes - SN74ALS1035N uses the same 14-pin PDIP (N) package and identical pinout as SN74LS07N: inputs on pins 1/3/5/9/11/13, outputs on 2/4/6/10/12/14, VCC on 14, GND on 7. This allows direct replacement in existing layouts, though timing and power characteristics differ.
What is the purpose of the VIK parameter in SN74ALS1035N?
VIK (input clamp voltage) specifies the voltage at which the SN74ALS1035N's input protection diode begins conducting - rated at –1.5 V. This clamps negative transients (e.g., ESD or inductive kickback), preventing damage and ensuring signal integrity in noisy industrial environments where the SN74ALS1035N is commonly deployed.
SN74ALS1035N Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74ALS
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 6
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- Open Collector
- Current - Output High, Low:
- -, 24mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-PDIP
SN74ALS1035N FAQ
1.How can I place an order for SN74ALS1035N through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74ALS1035N 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 SN74ALS1035N reliable?
The price and inventory of SN74ALS1035N are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74ALS1035N is usually 5 days.
3.What payment methods are accepted for SN74ALS1035N?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74ALS1035N transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN74ALS1035N?
SN74ALS1035N orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74ALS1035N 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 SN74ALS1035N?
For technical support, including SN74ALS1035N datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74ALS1035N requirements.
6.How does Aetrix verify that SN74ALS1035N is sourced from the original manufacturer or authorized distributors?
All SN74ALS1035N 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 SN74ALS1035N meets industry standards.
7.What is the process for return or replacement of SN74ALS1035N?
All SN74ALS1035N units undergo pre-shipment inspection (PSI). If there is an issue with SN74ALS1035N, 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 SN74ALS1035N part is unused and in its original packaging.
Return procedure for SN74ALS1035N:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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