SN74ALS574BDWIn StockTexas Instruments
Texas Instruments SN74ALS574BDW is an octal D-type flip-flop with 3-state outputs, operating at 4.5–5.5 V, featuring 35 MHz max frequency and 20-pin SOIC package. From $0.322, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- SN74ALS574BDW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3220(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Octal D-type bus interface flip-flop with 3-state outputs for high-drive bus applications
- Active-low output enable for easy bus control and signal multiplexing
- 35 MHz maximum operating frequency for high-speed digital logic designs
- Wide supply voltage range of 4.5 V to 5.5 V with ALS family low-power Schottky technology
- 20-pin SOIC (BROADSIDE) package with 50 pF load capacitance rating
Applications
The SN74ALS574BDW is widely used in data bus buffering and register applications within microprocessor and microcontroller systems. Its 3-state outputs make it ideal for bidirectional bus architectures in memory interfaces, I/O expansion, and backplane driver circuits. The device is also suitable for address latching and data pipeline registers in industrial control and embedded computing designs.
Specifications
| YTEOL | 0 |
| Additional Feature | BROADSIDE VERSION OF 374 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | ALS |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max Frequency@Nom-Sup | 35000000Hz |
| Max I(ol) | 0.024A |
| Number of Bits | 8 |
| Number of Functions | 8 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 30mA |
| Prop. Delay@Nom-Sup | 14ns |
| Propagation Delay (tpd) | 14ns |
| Qualification Status | Not Qualified |
| Screening Level | MIL-STD-883 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Trigger Type | POSITIVE EDGE |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74ALS574BDW:
Frequently Asked Questions
What is the maximum operating frequency of the SN74ALS574BDW?
The SN74ALS574BDW supports a maximum operating frequency of 35 MHz (35,000,000 Hz), making it well-suited for high-speed digital logic and bus interface applications in microprocessor-based systems.
What voltage range does the SN74ALS574BDW support?
The SN74ALS574BDW operates over a supply voltage range of 4.5 V to 5.5 V, which is standard for ALS-family (Advanced Low-power Schottky) TTL logic devices used in 5 V digital systems.
What are the typical applications for the SN74ALS574BDW?
This device is commonly used in data bus buffering, address latching, memory interface circuits, and I/O port expansion. Its 3-state output control and 8-bit parallel storage make it ideal for use in microprocessor systems, embedded controllers, and industrial electronics.
What package does the SN74ALS574BDW come in, and are there alternative package options?
The SN74ALS574BDW is available in a 20-pin SOIC (PDSO-G20) surface-mount package. Texas Instruments also offers the SN74ALS574B in DIP and other package variants, providing flexibility for through-hole or surface-mount PCB designs.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.6900 | $0.69 |
| 25+ | $0.6300 | $15.75 |
| 36+ | $0.4600 | $16.56 |
| 131+ | $0.3220 | $42.18 |
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