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Texas Instruments SN74ALS00ADG4
- Part No.:
- SN74ALS00ADG4
- Manufacturer:
- Texas Instruments
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
SN74ALS00ADG4.pdf
- Description:
- IC GATE NAND 4CH 2-INP 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,898
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Product details
Overview
SN74ALS00ADG4 from Texas Instruments is a quad 2-input positive-NAND gate IC in SOIC-14 package, operating at 4.5–5.5 V supply, with propagation delays as low as 3 ns (tPLH) and 2 ns (tPHL), output drive capability of ±4 mA/8 mA, and rated for 0°C to 70°C industrial temperature range. It performs Boolean Y = A • B logic in TTL-compatible positive logic and is used in digital control, address decoding, and bus interface circuits.
For engineers reviewing the SN74ALS00ADG4 datasheet, SN74ALS00ADG4 pinout, SN74ALS00ADG4 application, or SN74ALS00ADG4 equivalent, this page delivers verified electrical specs, package dimensions, functional role in combinational logic systems, and validated drop-in alternatives for legacy TTL system upgrades and industrial control board design.
Technical Context
The SN74ALS00ADG4 implements four independent NAND gates using Advanced Low-Power Schottky (ALS) bipolar technology, delivering improved speed-power trade-offs over standard LS TTL. Its input thresholds (VIH = 2 V, VIL = 0.8 V) and output voltage levels (VOH ≥ VCC − 2 V, VOL ≤ 0.4 V at IOL = 4 mA) ensure robust noise margins and compatibility with 5-V TTL families.
It features totem-pole outputs with no 3-state capability, fixed dual-supply operation (VCC only), and absolute maximum ratings including 7 V supply and input voltage limits. The device lacks internal ESD protection diodes beyond standard junction limits and requires external clamping for high-noise environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Four independent 2-input positive-NAND gates (Y = A • B) |
| Supply Voltage | 4.5 V to 5.5 V - ensures compatibility with standard 5-V TTL rails and stable operation across line regulation |
| Propagation Delay | tPLH = 3–11 ns, tPHL = 2–8 ns - enables reliable operation up to ~50 MHz toggle frequency in non-critical timing paths |
| Output Drive | IOL = 8 mA (low), IOH = −0.4 mA (high) - sufficient to drive 10 LS-TTL loads or 20 ALS/AS inputs |
| Operating Temperature | 0°C to 70°C - qualified for commercial and industrial ambient environments, not extended/military grade |
| Input Thresholds | VIH = 2.0 V (min), VIL = 0.8 V (max) - provides 0.4 V noise margin under worst-case VCC and temperature |
Pinout & Package
SN74ALS00ADG4 is supplied in a 14-pin SOIC (D) package, 3.90 mm wide, 8.65 mm long, 1.75 mm max height, with 1.27 mm pitch, RoHS-compliant NiPdAu lead finish, and moisture sensitivity level (MSL) 1 (unlimited floor life at ≤30°C/60% RH).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 4, 5, 9, 10, 12, 13 | Input (A/B per gate) | Eight total inputs - two per NAND gate; accept standard TTL logic levels; no internal pull-ups |
| 3, 6, 8, 11 | Output (Y per gate) | Four buffered totem-pole outputs - actively drive high/low; not open-collector or 3-state |
| 7 | GND | Ground reference for all logic and power domains; must be low-impedance connection |
| 14 | VCC | Positive supply terminal; bypassing with 0.1 µF ceramic capacitor near pin is mandatory for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| ALS Technology | Combines Schottky-clamped transistors with low-power design to achieve 3× speed improvement over standard LS TTL at comparable power |
| High Noise Immunity | Guaranteed VIH/VIL margins (≥0.4 V) ensure reliable switching in electrically noisy industrial control cabinets |
| Standard Pinout Compatibility | Matches industry-standard 74xx00 layout - allows direct replacement of 74LS00, 74S00, and 74F00 in existing PCBs without layout change |
| Low ICC Quiescent Current | ICCL = 1.5–3 mA max - reduces system-level power budget in always-on logic subsystems |
Applications
| Industrial Control Logic | Legacy System Bus Interface |
|---|---|
Use Scenario: Discrete logic implementation for PLC I/O module enable/disable sequencing and status flag combination. IC Role / Device Role / Timing Role: Combinational NAND gate performing active-low enable logic for peripheral drivers and interrupt masking. Use Value: Provides deterministic, zero-latency Boolean evaluation without software overhead or microcontroller resource usage. | Use Scenario: Address decoding in retro-computing or instrumentation systems using 8-bit parallel buses (e.g., Z80, 8085). IC Role / Device Role / Timing Role: Generates chip-select signals by NANDing address bits to select memory-mapped peripherals. Use Value: Delivers sub-10 ns propagation delay critical for meeting tight bus setup/hold timing windows in 4–6 MHz CPU systems. |
| Power-On Reset Coordination | Digital Test Equipment Signal Conditioning |
Use Scenario: Glue logic in power management subsystems to combine reset signals from multiple supervisors and watchdog timers. IC Role / Device Role / Timing Role: Active-low NAND gate acting as reset OR-equivalent (via De Morgan) to assert system-wide reset when any source triggers. Use Value: Eliminates need for discrete diode-OR networks, improving reliability and reducing board space in compact embedded modules. | Use Scenario: Signal inversion and gating in automated test equipment (ATE) pattern generators and stimulus controllers. IC Role / Device Role / Timing Role: Synchronizes and conditions TTL-level trigger pulses before distribution to DUT interface circuitry. Use Value: Ensures consistent edge timing and fanout capability across multiple test channels without signal degradation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NAND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LS00DR | Slower propagation (15 ns max), higher ICC (19 mA), same SOIC-14 package and pinout | Lower speed margin; suitable where timing slack exists and cost is primary constraint | Preferred for cost-sensitive, non-speed-critical replacements where legacy LS stock remains available |
| SN74AS00DR | Faster propagation (4.5 ns max), higher drive (20 mA sink), higher ICC (17.4 mA), same SOIC-14 footprint | Higher power consumption; required where sub-5 ns delay is mandatory for system timing closure | Chosen when upgrading from ALS to AS for maximum speed in high-frequency control loops or clock domain crossing |
Compared with SN74LS00DR and SN74AS00DR, the SN74ALS00ADG4 delivers optimal balance of speed (3–11 ns), power (1.5–3 mA ICC), and noise immunity for industrial logic - making it the preferred choice for new designs requiring reliability and moderate performance without excessive heat dissipation.
Availability
SN74ALS00ADG4 is available at Aetrix Electronics and suitable for industrial control logic, legacy system bus interface, and power-on reset coordination requiring stable component supply and long-term obsolescence mitigation.
Supply support for SN74ALS00ADG4 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 with broad industrial, automotive, and communications portfolio coverage.
The SN74ALS00ADG4 belongs to TI's legacy 74ALS logic family, engineered specifically for high-reliability, medium-speed digital glue logic in industrial automation, test equipment, and military-grade commercial systems requiring proven long-lifecycle components.
FAQ
What is the maximum operating supply voltage for SN74ALS00ADG4?
The absolute maximum supply voltage for SN74ALS00ADG4 is 7 V, but the recommended operating range is strictly 4.5 V to 5.5 V. Operation above 5.5 V risks parametric shift and accelerated aging; sustained use at 7 V violates recommended conditions and voids reliability guarantees. Always regulate VCC within 4.5–5.5 V for compliant SN74ALS00ADG4 operation.
Does SN74ALS00ADG4 support 3-state or open-collector outputs?
No, SN74ALS00ADG4 features standard totem-pole (push-pull) outputs only - it does not support 3-state, open-collector, or open-drain configurations. All four outputs actively drive both logic high and low states. For bus-sharing or wired-AND applications, external pull-up resistors and discrete logic or alternative parts like SN74ALS138 must be used instead of relying on SN74ALS00ADG4 output configuration.
Can SN74ALS00ADG4 directly replace SN74LS00 in an existing PCB layout?
Yes, SN74ALS00ADG4 is pin-compatible and functionally identical to SN74LS00 in SOIC-14 packaging, with identical pinout, logic function, and voltage thresholds. However, SN74ALS00ADG4 offers faster propagation (3–11 ns vs. 15 ns) and lower ICC (1.5–3 mA vs. up to 19 mA), so verify timing margins and power delivery stability before drop-in replacement in legacy SN74LS00 designs.
What is the input leakage current specification for SN74ALS00ADG4?
The input leakage current for SN74ALS00ADG4 is specified as IIH = +20 µA (max) at VI = 2.7 V and VCC = 5.5 V, and IIL = −0.1 mA (max) at VI = 0.4 V and VCC = 5.5 V. These values confirm compatibility with standard TTL fanout rules and ensure minimal loading on upstream drivers in multi-gate logic networks using SN74ALS00ADG4.
Is SN74ALS00ADG4 suitable for automotive applications?
No, SN74ALS00ADG4 is characterized only for 0°C to 70°C operation and is not AEC-Q100 qualified. It lacks automotive-grade screening, extended temperature rating (−40°C to 125°C), and enhanced ESD/EMI robustness required for automotive ECUs. For automotive use, consider TI's SN74HCS00 or SN74LV00 families instead of SN74ALS00ADG4.
SN74ALS00ADG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74ALS
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- NAND Gate
- Number of Circuits:
- 4
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- -
- Current - Output High, Low:
- 400µA, 8mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 11ns @ 5V, 50pF
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
SN74ALS00ADG4 FAQ
1.How can I place an order for SN74ALS00ADG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74ALS00ADG4 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 SN74ALS00ADG4 reliable?
The price and inventory of SN74ALS00ADG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74ALS00ADG4 is usually 5 days.
3.What payment methods are accepted for SN74ALS00ADG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74ALS00ADG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN74ALS00ADG4?
SN74ALS00ADG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74ALS00ADG4 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 SN74ALS00ADG4?
For technical support, including SN74ALS00ADG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74ALS00ADG4 requirements.
6.How does Aetrix verify that SN74ALS00ADG4 is sourced from the original manufacturer or authorized distributors?
All SN74ALS00ADG4 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 SN74ALS00ADG4 meets industry standards.
7.What is the process for return or replacement of SN74ALS00ADG4?
All SN74ALS00ADG4 units undergo pre-shipment inspection (PSI). If there is an issue with SN74ALS00ADG4, 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 SN74ALS00ADG4 part is unused and in its original packaging.
Return procedure for SN74ALS00ADG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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