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Texas Instruments SN74ALS1035D
- Part No.:
- SN74ALS1035D
- Manufacturer:
- Texas Instruments
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
SN74ALS1035D.pdf
- Description:
- IC BUF NON-INVERT 5.5V 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,376
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Product details
Overview
SN74ALS1035D from Texas Instruments is a hex noninverting buffer IC with open-collector outputs, designed for wired-OR/AND logic interfacing in TTL-compatible systems. It operates at 4.5–5.5 V, delivers 24 mA low-level output current, features 12 ns max tPHL propagation delay, and supports 0°C to 70°C industrial temperature range - commonly used in bus interface and level-shifting applications.
For engineers reviewing the SN74ALS1035D datasheet, SN74ALS1035D pinout, SN74ALS1035D application, or SN74ALS1035D equivalent, key selection criteria include open-collector drive capability, ALS family speed-power trade-off, SOIC-14 package compatibility, and pull-up resistor design requirements for wired logic implementation.
Technical Context
This device implements six independent Y = A Boolean buffers using bipolar ALS (Advanced Low-Power Schottky) technology, enabling direct TTL-to-TTL or mixed-voltage interfacing. Each output requires external pull-up resistors and supports active-low wired-OR or active-high wired-AND configurations without signal contention.
It operates strictly within 4.5–5.5 V supply range, with guaranteed VOL ≤ 0.4 V at IOL = 12 mA and VIH ≥ 2.0 V, ensuring robust noise margin in legacy digital systems. Propagation delays are asymmetric: tPLH up to 30 ns and tPHL as low as 2 ns, reflecting optimized turn-on/turn-off characteristics for open-collector switching.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | ALS (Advanced Low-Power Schottky) - balances speed (sub-35 ns) and power (ICCL ≤ 14 mA) better than standard LS. |
| Supply Voltage | 4.5 V to 5.5 V - mandates regulated 5 V rail; not tolerant of 3.3 V or unregulated inputs. |
| Output Type | Open-collector - requires external pull-up resistor; enables wired-OR/AND and voltage-level translation. |
| Max Output Sink Current | 24 mA per channel - supports driving multiple TTL inputs or moderate LED loads directly. |
| Propagation Delay | tPHL = 12 ns max, tPLH = 30 ns max (VCC = 5 V, CL = 50 pF) - defines timing budget for synchronous bus arbitration. |
| Input Thresholds | VIH ≥ 2.0 V, VIL ≤ 0.8 V - ensures compatibility with standard TTL output levels (VOH ≥ 2.4 V, VOL ≤ 0.4 V). |
| Operating Temperature | 0°C to 70°C - qualified for commercial/industrial ambient environments, not extended or military grade. |
Pinout & Package
SN74ALS1035D uses a 14-pin SOIC (Small Outline Integrated Circuit) package with 1.27 mm pitch, 8.75 mm × 3.91 mm body size, and 1.75 mm max height - compatible with standard surface-mount reflow profiles (MSL Level-1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 2A, 3A, 4A, 5A, 6A | Buffer Input | Independent TTL-compatible digital inputs; each drives one noninverting buffer stage. |
| 1Y, 2Y, 3Y, 4Y, 5Y, 6Y | Open-Collector Output | Active-low sinking outputs; require external pull-up to VCC or higher voltage for wired logic. |
| 7 | GND | Ground reference for all internal circuitry and output sink paths. |
| 14 | VCC | Positive supply terminal; must be decoupled locally with 0.1 µF ceramic capacitor. |
Key Features
| Feature | Design Value |
|---|---|
| Hex independent buffering | Enables parallel signal conditioning across six channels without crosstalk or shared control logic. |
| Open-collector wired-OR capability | Allows multiple SN74ALS1035D outputs (or other open-collector devices) to share a single bus line with logical OR behavior. |
| ALS speed-power optimization | Delivers 2× faster switching than standard LS logic while consuming ~30% less power at same load. |
| TTL input/output compatibility | Directly interfaces with 74LS, 74F, and older 74xx families without level shifters or current-limiting resistors. |
| Guaranteed VOL at 24 mA | Ensures reliable low-state signaling even under heavy fanout (e.g., driving 10+ TTL inputs simultaneously). |
Applications
| Bus Arbitration Logic | LED Driver Interface |
|---|---|
Use Scenario: Multiple microcontrollers or peripherals sharing a common interrupt or acknowledge line via wired-OR topology. IC Role / Device Role / Timing Role: SN74ALS1035D provides isolated, current-sinking open-collector outputs that combine into a shared active-low interrupt signal. Use Value: Eliminates need for external diodes or discrete transistors; supports deterministic bus release timing with sub-12 ns turn-off delay. | Use Scenario: Driving multiple indicator LEDs from a single microcontroller port pin with common anode configuration. IC Role / Device Role / Timing Role: SN74ALS1035D acts as a high-current, logic-inverting (via external pull-up) LED sink driver. Use Value: Delivers 24 mA per channel - sufficient for bright visible LEDs without additional transistor stages or heat dissipation concerns. |
| Level Translation Interface | TTL-Compatible Bus Buffer |
Use Scenario: Interfacing a 5 V TTL system with a 12 V relay driver or optocoupler input requiring higher VOH. IC Role / Device Role / Timing Role: SN74ALS1035D output pulls down while external pull-up to 12 V generates active-high logic levels up to 12 V. Use Value: Enables safe, noise-immune level shifting without dedicated translator ICs or voltage dividers. | Use Scenario: Isolating and strengthening address/data bus signals in vintage computer or industrial controller backplanes. IC Role / Device Role / Timing Role: SN74ALS1035D buffers and regenerates TTL waveforms while adding fanout capability and noise margin. Use Value: Maintains signal integrity over long traces; supports >10-unit load with guaranteed VOL and VIH margins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar hex noninverting buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LS1035N | Slower (tPHL ≤ 25 ns), higher power (ICCL ≤ 22 mA), same pinout and function. | Lower-speed legacy systems where ALS speed is unnecessary; wider availability in PDIP. | Select when cost sensitivity outweighs performance needs and SOIC packaging is not required. |
| SN74F1035N | Faster (tPHL ≤ 6 ns), higher power (ICCL ≤ 35 mA), identical pinout and open-collector architecture. | High-speed bus arbitration or clock distribution where sub-10 ns delays are critical. | Choose only if timing budget demands <10 ns propagation and board layout supports added power dissipation. |
Compared with SN74ALS1035D, SN74LS1035N trades speed for lower cost and broader distributor stock, while SN74F1035N prioritizes minimal delay at the expense of increased supply current and thermal management complexity.
Availability
SN74ALS1035D is available at Aetrix Electronics and suitable for bus arbitration logic, LED driver interfaces, level translation interfaces, and TTL-compatible bus buffering requiring stable component supply across industrial and embedded retro-design programs.
Supply support for SN74ALS1035D 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 U.S.-based semiconductor company founded in 1930, specializing in analog, embedded processing, and logic solutions for industrial, automotive, and communications markets.
The SN74ALS1035D belongs to TI's legacy 74ALS logic family, engineered for high-speed, low-power TTL-compatible digital interfacing in systems where reliability and backward compatibility are essential.
FAQ
What is the maximum sink current per output of the SN74ALS1035D?
The SN74ALS1035D guarantees a minimum sink current of 12 mA at VOL ≤ 0.4 V and supports up to 24 mA with VOL ≤ 0.5 V under specified conditions. This rating allows direct driving of multiple TTL inputs or moderate-current LEDs without external amplification. Exceeding 24 mA risks violating VOL specification and may degrade long-term reliability.
Does the SN74ALS1035D require external pull-up resistors on its outputs?
Yes, the SN74ALS1035D has open-collector outputs and cannot source current - each output must be connected to a pull-up resistor to VCC or another positive voltage rail. Typical values range from 1 kΩ to 10 kΩ depending on rise time, fanout, and voltage level requirements. Without pull-ups, outputs remain floating and undefined in the high state.
Can the SN74ALS1035D operate from a 3.3 V supply?
No, the SN74ALS1035D is not rated for 3.3 V operation. Its recommended supply range is strictly 4.5 V to 5.5 V, and absolute maximum VCC is 7 V. Applying 3.3 V will result in improper logic thresholds, degraded noise margin, and potential failure to meet VOL/VOL specifications. Use 74LVC or 74ALVC series for 3.3 V compatibility.
Is the SN74ALS1035D pin-compatible with the SN74LS1035N?
Yes, the SN74ALS1035D and SN74LS1035N share identical pinouts, logic functions, and package footprints (SOIC-14 and PDIP-14 respectively). They differ only in electrical characteristics - ALS offers faster speed and lower power than LS - making them drop-in replacements in most designs where timing margins allow.
What is the operating temperature range of the SN74ALS1035D?
The SN74ALS1035D is specified for commercial operation from 0°C to 70°C ambient temperature. It is not rated for extended industrial (–40°C to 85°C) or military (–55°C to 125°C) ranges. For those environments, consider the SN54ALS1035J (CDIP) or SNJ54ALS1035FK (LCCC), which are qualified to –55°C to 125°C.
SN74ALS1035D Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74ALS
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- 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:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
SN74ALS1035D FAQ
1.How can I place an order for SN74ALS1035D through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74ALS1035D 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 SN74ALS1035D reliable?
The price and inventory of SN74ALS1035D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74ALS1035D is usually 5 days.
3.What payment methods are accepted for SN74ALS1035D?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74ALS1035D transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN74ALS1035D?
SN74ALS1035D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74ALS1035D 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 SN74ALS1035D?
For technical support, including SN74ALS1035D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74ALS1035D requirements.
6.How does Aetrix verify that SN74ALS1035D is sourced from the original manufacturer or authorized distributors?
All SN74ALS1035D 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 SN74ALS1035D meets industry standards.
7.What is the process for return or replacement of SN74ALS1035D?
All SN74ALS1035D units undergo pre-shipment inspection (PSI). If there is an issue with SN74ALS1035D, 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 SN74ALS1035D part is unused and in its original packaging.
Return procedure for SN74ALS1035D:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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