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onsemi DM74ALS04BSJ
- Part No.:
- DM74ALS04BSJ
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
DM74ALS04BSJ.pdf
- Description:
- IC INVERTER 6CH 1-INP 14SOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,366
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Product details
Overview
DM74ALS04BSJ from Fairchild Semiconductor is a hex inverter IC implementing six independent TTL-compatible logic inversion gates in a 14-lead SOP (EIAJ TYPE II, 5.3 mm wide) package. It operates at VCC = 4.5–5.5 V, delivers IOL = 8 mA sink current per output, tPLH/tPHL ≤ 11/8 ns (CL = 50 pF), and is rated for 0°C to +70°C industrial temperature range - used in digital signal conditioning, bus buffering, and clock waveform shaping.
For engineers reviewing the DM74ALS04BSJ datasheet, pinout, applications, or equivalent options, key selection criteria include guaranteed AC performance over full VCC/temperature range, Schottky-TTL-compatible drive strength, input clamp voltage (VIK = −1.2 V), and EIAJ TYPE II SOP mechanical compatibility.
Technical Context
The DM74ALS04BSJ uses an advanced oxide-isolated, ion-implanted Schottky TTL process to achieve improved AC performance versus standard Schottky and low-power Schottky TTL. Its six inverters operate with identical electrical characteristics: VIH = 2.0 V min, VIL = 0.8 V max, VOH ≥ VCC − 2 V, and VOL ≤ 0.5 V at IOL = 8 mA.
It guarantees switching specifications at CL = 50 pF across the full recommended operating range (VCC = 4.5–5.5 V, TA = 0–70°C), with propagation delays tPLH ≤ 11 ns and tPHL ≤ 8 ns. Input clamp voltage VIK = −1.2 V ensures robust negative transient immunity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 4.5 V to 5.5 V - supports standard 5 V TTL rail with ±10% tolerance |
| Output Sink Current (IOL) | 8 mA - drives standard TTL loads without external pull-ups |
| Propagation Delay (tPHL) | ≤ 8 ns at CL = 50 pF - enables reliable operation up to ~100 MHz toggle rate |
| Input Clamp Voltage (VIK) | −1.2 V - protects inputs against negative transients down to −1.2 V |
| Operating Temperature | 0°C to +70°C - qualified for commercial/industrial ambient environments |
| VIH / VIL Thresholds | VIH ≥ 2.0 V, VIL ≤ 0.8 V - ensures noise margin > 0.4 V with standard TTL logic levels |
Pinout & Package
DM74ALS04BSJ is housed in a 14-lead Small Outline Package (SOP), EIAJ TYPE II, 5.3 mm wide (Package Number M14D), with gull-wing leads and standard 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 9, 11, 13 | Input (A1–A6) | Independent TTL-compatible logic inputs; each drives one inverter stage |
| 2, 4, 6, 8, 10, 12 | Output (Y1–Y6) | Inverted logic outputs; each sinks up to 8 mA, sources −0.4 mA |
| 7 | GND | Ground reference for all logic and power paths; must be low-impedance |
| 14 | VCC | Positive supply input (4.5–5.5 V); requires local 0.1 µF bypass capacitor |
Key Features
| Feature | Design Value |
|---|---|
| Functionally & pinout-compatible with 74S04/74LS04 | Enables drop-in replacement in legacy TTL designs without PCB changes |
| Guaranteed AC specs at 50 pF load | Ensures timing predictability across full VCC/temperature range |
| Advanced Schottky TTL process | Delivers faster switching and lower power than standard LS-TTL |
| Input clamp diode (VIK = −1.2 V) | Provides inherent protection against negative ESD or undershoot events |
Applications
| Digital Bus Inversion | Waveform Shaping |
|---|---|
Use Scenario: Inverting address/data bus signals in microcontroller-based systems where active-low signaling is required. IC Role / Device Role / Timing Role: Logic-level inversion with sub-11 ns propagation delay and TTL-compatible drive strength. Use Value: Eliminates need for discrete transistor inverters; maintains signal integrity across 50 pF routed traces. | Use Scenario: Converting asymmetric clock or enable signals into clean square waves for synchronous logic blocks. IC Role / Device Role / Timing Role: Digital waveform regeneration via sharp-edge inversion with controlled rise/fall times. Use Value: Reduces jitter accumulation in multi-stage timing paths due to matched tPLH/tPHL < 11 ns. |
| Level Translation Interface | TTL-Compatible Oscillator Buffer |
Use Scenario: Interfacing between 5 V TTL logic and legacy peripherals requiring inverted control lines (e.g., reset, chip select). IC Role / Device Role / Timing Role: Bidirectional voltage-level adaptation using standard TTL thresholds (VIH = 2.0 V, VIL = 0.8 V). Use Value: Provides noise-immune interface without level-shifter ICs or resistor networks. | Use Scenario: Buffering and inverting crystal oscillator outputs before distribution to multiple clock domains. IC Role / Device Role / Timing Role: Low-skew, high-drive clock inversion stage with guaranteed tPHL ≤ 8 ns. Use Value: Prevents loading-induced frequency drift and ensures consistent edge timing across fanout branches. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar hex inverter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74ALS04N | PDIP-14 package (N14A), same electrical specs, θJA = 88.0°C/W vs. 118.5°C/W for SOP | Better thermal dissipation; suited for through-hole prototyping or high-reliability industrial PCBs | Select when manual assembly, thermal headroom >15°C/W, or legacy DIP footprint required |
| DM74ALS04BM | SOIC-14 (JEDEC MS-012, 0.150" narrow), identical AC/DC specs, same M14D pinout but different body width | Compatible with automated SMT placement; narrower width allows tighter board spacing | Select when space-constrained layouts or JEDEC-standard SOIC handling is prioritized |
Compared with SN74ALS04N and DM74ALS04BM, the DM74ALS04BSJ offers EIAJ TYPE II SOP packaging optimized for cost-effective surface-mount production with verified 5.3 mm width compliance, while retaining full functional and timing equivalence across all three variants.
Availability
DM74ALS04BSJ is available at Aetrix Electronics and suitable for digital bus inversion, waveform shaping, and TTL-compatible oscillator buffering requiring stable component supply and long-term industrial availability.
Supply support for DM74ALS04BSJ 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
Fairchild Semiconductor was a leading US-based analog and mixed-signal semiconductor manufacturer, acquired by ON Semiconductor in 2016; known for high-reliability TTL, CMOS, and power management ICs.
The DM74ALS04BSJ belongs to Fairchild's ALS (Advanced Low-Power Schottky) TTL logic family, designed specifically to replace 74S and 74LS devices with superior speed-power trade-offs in industrial control and instrumentation systems.
FAQ
What is the maximum operating supply voltage for DM74ALS04BSJ?
The DM74ALS04BSJ has an absolute maximum supply voltage of 7 V, but its recommended operating range is strictly 4.5 V to 5.5 V. Operation outside this window may cause timing violations or increased ICC. The DM74ALS04BSJ is not rated for 3.3 V operation and requires a stable 5 V rail to meet guaranteed tPLH/tPHL and VOH/VOL specifications.
Does DM74ALS04BSJ support direct replacement for 74LS04 in existing PCBs?
Yes - the DM74ALS04BSJ is functionally and pin-for-pin compatible with the 74LS04 and 74S04, sharing identical pinout, logic behavior, and DC/AC specifications. Its EIAJ TYPE II SOP package (M14D) matches footprint pitch and pad layout requirements, making DM74ALS04BSJ a validated drop-in upgrade for speed and noise immunity in legacy designs.
What is the input clamp voltage (VIK) specification for DM74ALS04BSJ, and why does it matter?
The DM74ALS04BSJ specifies VIK = −1.2 V at VCC = 4.5 V and II = −18 mA. This clamping diode limits negative input excursions, protecting internal circuitry from ESD or signal undershoot. In systems with long traces or inductive loads, this feature prevents latch-up and ensures robustness - a key reliability advantage over non-clamped TTL variants.
Can DM74ALS04BSJ drive standard TTL fan-out loads without external components?
Yes - the DM74ALS04BSJ provides IOL = 8 mA per output and IOH = −0.4 mA, meeting or exceeding standard TTL unit load requirements (1.6 mA sink). It can directly drive up to 5 standard TTL inputs (fan-out of 5) under worst-case conditions (VCC = 4.5 V, TA = 70°C), with no pull-up resistors or buffers needed in the DM74ALS04BSJ signal path.
Is DM74ALS04BSJ compliant with RoHS or lead-free assembly requirements?
The original DM74ALS04BSJ was manufactured prior to RoHS enforcement and contains lead in solder and die attach. Aetrix Electronics supplies only legacy-qualified units conforming to the original Fairchild specification (DS006177, Feb 2000 revision). For RoHS-compliant alternatives, consult ON Semiconductor's modern 74ALS04 equivalents or contact Aetrix for traceable, tested inventory status of DM74ALS04BSJ.
DM74ALS04BSJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74ALS
- Package/Case:
- 14-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- Inverter
- Number of Circuits:
- 6
- Number of Inputs:
- 1
- 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-SOP
DM74ALS04BSJ FAQ
1.How can I place an order for DM74ALS04BSJ through Aetrix?
Please submit a Request for Quotation (RFQ) for DM74ALS04BSJ 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 DM74ALS04BSJ reliable?
The price and inventory of DM74ALS04BSJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DM74ALS04BSJ is usually 5 days.
3.What payment methods are accepted for DM74ALS04BSJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DM74ALS04BSJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DM74ALS04BSJ?
DM74ALS04BSJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DM74ALS04BSJ 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 DM74ALS04BSJ?
For technical support, including DM74ALS04BSJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DM74ALS04BSJ requirements.
6.How does Aetrix verify that DM74ALS04BSJ is sourced from the original manufacturer or authorized distributors?
All DM74ALS04BSJ 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 DM74ALS04BSJ meets industry standards.
7.What is the process for return or replacement of DM74ALS04BSJ?
All DM74ALS04BSJ units undergo pre-shipment inspection (PSI). If there is an issue with DM74ALS04BSJ, 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 DM74ALS04BSJ part is unused and in its original packaging.
Return procedure for DM74ALS04BSJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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