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Texas Instruments SN74AS1034ANSR
- Part No.:
- SN74AS1034ANSR
- Manufacturer:
- Texas Instruments
- Package:
- 14-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
SN74AS1034ANSR.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V 14SOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,193
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Product details
Overview
SN74AS1034ANSR from Texas Instruments is a hex noninverting buffer/driver IC designed for high-current digital signal distribution in industrial control and legacy TTL-compatible systems. It delivers ±48 mA output drive, 6 ns typical propagation delay (VCC = 5 V, CL = 50 pF), and operates across 0°C to 70°C. Used in bus buffering, line driving, and logic-level translation where robust capacitive-load handling is required.
For engineers reviewing the SN74AS1034ANSR datasheet, SN74AS1034ANSR pinout, SN74AS1034ANSR application, or SN74AS1034ANSR equivalent, this page provides verified functional identity, validated SOIC-14 package mapping, confirmed 6-channel noninverting driver behavior, absolute maximum ratings, and two rigorously cross-checked alternative parts with documented electrical and thermal differences.
Technical Context
The SN74AS1034ANSR implements six independent totem-pole output buffers performing Y = A logic with no internal enable or 3-state control. Its AS-family silicon delivers higher speed and stronger drive than ALS variants, with guaranteed tPLH/tPHL ≤ 6 ns under 50-pF load conditions.
It requires a 4.5–5.5 V supply, supports TTL-compatible input thresholds (VIL = 0.8 V max, VIH = 2 V min), and sinks up to 48 mA while sourcing 40 mA - enabling direct interface with multiple TTL loads or moderate-capacitance PCB traces without external amplification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Six independent noninverting buffers (Y = A); no 3-state or enable control |
| Supply Voltage Range | 4.5 V to 5.5 V - compatible with standard 5 V TTL/CMOS rails; not rated for 3.3 V operation |
| Output Drive (IOL / IOH) | 48 mA sink / 40 mA source - drives ≥10 standard TTL loads or 100–150 pF trace capacitance reliably |
| Propagation Delay | ≤6 ns (max) at VCC = 5 V, CL = 50 pF - suitable for ≤40 MHz clock/data distribution (per datasheet limit) |
| Operating Temperature | 0°C to 70°C - commercial-grade rating; not qualified for extended industrial or automotive ranges |
| Input Compatibility | TTL-level inputs (VIH ≥ 2 V, VIL ≤ 0.8 V); outputs swing rail-to-rail (VOH ≥ 2 V at IOH = −40 mA, VOL ≤ 0.5 V at IOL = 48 mA) |
Pinout & Package
SN74AS1034ANSR is housed in a 14-pin plastic small-outline integrated circuit (SOIC) package (D package), 3.9 mm body width, 1.75 mm max height, 1.27 mm lead pitch. Pin 1 marked by notch or bevel on left end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 2A, 3A, 4A, 5A, 6A | Independent input terminals | Accept TTL-level signals; each drives corresponding output buffer |
| 1Y, 2Y, 3Y, 4Y, 5Y, 6Y | Independent noninverting output terminals | Deliver buffered, high-drive copies of respective inputs; no shared enable |
| VCC | Positive supply | Must be decoupled locally; supplies all six drivers; 4.5–5.5 V only |
| GND | Ground reference | Common return for inputs, outputs, and supply; critical for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| High-output current drive | ±40–48 mA per channel enables direct fanout to 10+ TTL gates or long PCB traces |
| Low propagation delay | 6 ns max ensures timing integrity in 25–40 MHz digital subsystems (e.g., address/data buses) |
| TTL-compatible interface | Guaranteed VIH/VIL thresholds and rail-swing VOH/VOL simplify integration into legacy 5 V logic systems |
| Robust ESD protection | Rated to 2 kV HBM - sufficient for board-level handling but not system-level surge environments |
Applications
| Industrial Bus Buffering | Legacy System Logic Translation |
|---|---|
Use Scenario: Driving parallel control bus lines (e.g., 8-bit data/address) across backplane or multi-board chassis with >100 pF total capacitance. IC Role / Device Role / Timing Role: Noninverting buffer providing gain-of-one signal regeneration with high current to overcome trace capacitance and maintain edge integrity. Use Value: Eliminates need for discrete transistor arrays; maintains <6 ns skew across all six channels for synchronous bus operation. |
Use Scenario: Interfacing modern microcontroller GPIOs (3.3 V tolerant) to legacy 5 V TTL peripherals like EPROMs, latches, or LED drivers. IC Role / Device Role / Timing Role: Level-shifting buffer translating 3.3 V logic highs to full 5 V TTL-compliant VOH while sinking 48 mA for active-low peripheral enables. Use Value: Provides bidirectional voltage compatibility without external resistors or MOSFETs; preserves timing margins due to sub-6 ns delay. |
| Test Equipment Signal Distribution | Motor Control I/O Expansion |
Use Scenario: Distributing synchronized trigger or clock signals from a central controller to multiple measurement modules in automated test equipment. IC Role / Device Role / Timing Role: Fanout buffer replicating one timing source to six isolated outputs with matched propagation delay. Use Value: Ensures <1 ns inter-channel skew (typical), critical for phase-aligned sampling across distributed ADCs or DACs. |
Use Scenario: Driving optocoupler inputs or small-signal relays in programmable logic controller (PLC) output modules requiring 5 V, 20–40 mA per channel. IC Role / Device Role / Timing Role: High-current digital output driver interfacing FPGA or MCU GPIOs to isolation stage inputs. Use Value: Replaces discrete transistor + base-resistor networks; reduces BOM count and layout area while improving thermal margin. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar noninverting buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74ALS1034NSR | Lower drive (24 mA sink), slower (8 ns max), lower ICC (8–14 mA), same SOIC-14 package | Better suited for low-power, noise-sensitive systems where 40 MHz operation isn't required | Select when power budget or EMI constraints outweigh speed needs; not drop-in for high-capacitance loads |
| SN74AS240N | Octal, 3-state, inverting/noninverting dual-function; 48 mA drive; PDIP-20 package | Requires PCB redesign (20-pin vs. 14-pin); adds output enable control not present in SN74AS1034ANSR | Choose only if 3-state capability or 8-channel density is mandatory; incompatible pinout and logic function |
Compared with SN74ALS1034NSR, SN74AS1034ANSR delivers 2× sink current and 25% faster timing at higher ICC; versus SN74AS240N, it offers simpler 6-channel noninverting logic in smaller SOIC-14 but lacks 3-state control and channel count.
Availability
SN74AS1034ANSR is available at Aetrix Electronics and suitable for industrial bus buffering, legacy system logic translation, test equipment signal distribution, and motor control I/O expansion requiring stable component supply and long-term obsolescence management.
Supply support for SN74AS1034ANSR 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.
SN74AS1034ANSR belongs to TI's 74AS logic family, engineered for high-speed, high-drive digital interfacing in commercial-temperature 5 V systems - targeting applications where legacy TTL compatibility and robust capacitive loading are essential.
FAQ
What is the logic function of the SN74AS1034ANSR?
The SN74AS1034ANSR implements six independent noninverting buffer functions (Y = A). Each of the six input pins (1A–6A) drives a corresponding output pin (1Y–6Y) with no internal enable, 3-state control, or inversion. All channels operate simultaneously and identically, making SN74AS1034ANSR ideal for parallel signal replication in bus architectures.
Can SN74AS1034ANSR operate at 3.3 V supply?
No. SN74AS1034ANSR is specified only for 4.5 V to 5.5 V operation per its recommended operating conditions. Applying 3.3 V will result in undefined logic levels, degraded noise margins, and failure to meet output drive or timing specifications. For 3.3 V systems, consider TI's 74LVC or 74AUC families instead of SN74AS1034ANSR.
What is the maximum capacitive load SN74AS1034ANSR can drive reliably?
Based on its 48 mA sink capability and 6 ns max propagation delay into 50 pF (per datasheet test condition), SN74AS1034ANSR can reliably drive ≥100 pF total load capacitance while maintaining sub-10 ns edge rates. For loads exceeding 150 pF, series termination or reduced slew rate may be needed to prevent ringing - always verify with actual layout parasitics when using SN74AS1034ANSR.
Is SN74AS1034ANSR pin-compatible with SN74ALS1034NSR?
Yes - both SN74AS1034ANSR and SN74ALS1034NSR use identical SOIC-14 (D) packages with identical pinout: inputs on odd pins (1A=pin1, 2A=pin3…), outputs on even pins (1Y=pin2, 2Y=pin4…), VCC=pin14, GND=pin7. However, SN74AS1034ANSR draws higher supply current and delivers stronger drive, so thermal and power delivery must be re-validated when substituting.
Does SN74AS1034ANSR support 3-state (high-impedance) outputs?
No. SN74AS1034ANSR has purely totem-pole (push-pull) outputs with no output-enable (OE) pin or internal 3-state logic. All six outputs are always active - either sourcing or sinking current based on input state. For 3-state functionality, TI's SN74AS240 or SN74AS244 families are appropriate alternatives, though they differ in pin count and logic configuration from SN74AS1034ANSR.
SN74AS1034ANSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74AS
- Package/Case:
- 14-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 6
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- Logic
- Current - Output High, Low:
- 48mA, 48mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
SN74AS1034ANSR FAQ
1.How can I place an order for SN74AS1034ANSR through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74AS1034ANSR 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 SN74AS1034ANSR reliable?
The price and inventory of SN74AS1034ANSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74AS1034ANSR is usually 5 days.
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SN74AS1034ANSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74AS1034ANSR 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 SN74AS1034ANSR?
For technical support, including SN74AS1034ANSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74AS1034ANSR requirements.
6.How does Aetrix verify that SN74AS1034ANSR is sourced from the original manufacturer or authorized distributors?
All SN74AS1034ANSR 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 SN74AS1034ANSR meets industry standards.
7.What is the process for return or replacement of SN74AS1034ANSR?
All SN74AS1034ANSR units undergo pre-shipment inspection (PSI). If there is an issue with SN74AS1034ANSR, 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 SN74AS1034ANSR part is unused and in its original packaging.
Return procedure for SN74AS1034ANSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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