SN74AS874DWIn StockTexas Instruments
SN74AS874DW is a 4-bit dual D-type flip-flop with independent clear from Texas Instruments AS logic family. Features 24-pin SOIC package, 50pF load capacitance, and bus driver capability. From $4.61 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- SN74AS874DW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.6100(MOQ 25)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4-bit dual D-type flip-flop with independent clear control for flexible logic design
- AS (Advanced Schottky) logic family for high-speed switching performance
- 24-pin SOIC (R-PDSO-G24) package for compact PCB integration
- 50pF load capacitance and unidirectional bus driver architecture
- RoHS compliant (Pb-free) with 15-year end-of-life support
Applications
The SN74AS874DW is widely used in high-speed digital systems requiring reliable data storage and bus driving, such as microprocessor address/data latching and pipeline registers. Its dual 4-bit configuration with independent clear makes it ideal for synchronous control logic in industrial controllers and communication equipment. The AS-family speed and SOIC packaging also suit it for compact embedded systems and signal buffering in data acquisition hardware.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | WITH CLEAR |
| Control Type | INDEPENDENT CONTROL |
| Count Direction | UNIDIRECTIONAL |
| Family | AS |
| JESD-30 Code | R-PDSO-G24 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max Frequency@Nom-Sup | 125000000Hz |
| Max I(ol) | 0.048A |
| Number of Bits | 4 |
| Number of Functions | 8 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP24,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 160mA |
| Prop. Delay@Nom-Sup | 14ns |
| Propagation Delay (tpd) | 10.5ns |
| Qualification Status | Not Qualified |
| 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) | 30 |
| 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 | 8542.39.00.90 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74AS874DW and what are its key specifications?
The SN74AS874DW is a 4-bit dual D-type flip-flop with clear from Texas Instruments' Advanced Schottky (AS) logic family. It features a 24-pin SOIC package (R-PDSO-G24), 50pF load capacitance, unidirectional bus driver architecture, and independent clear control on each 4-bit section. It is RoHS compliant (Pb-free) and rated for a 15-year end-of-life horizon.
What are the typical applications for the SN74AS874DW?
The SN74AS874DW is commonly used in high-speed digital logic designs including microprocessor data/address latching, pipeline registers, bus interfacing, and synchronous control circuits. Its dual independent 4-bit structure and AS-family switching speed make it suitable for industrial controllers, communication equipment, and embedded systems requiring fast, reliable flip-flop operation.
What package does the SN74AS874DW come in, and are there pin-compatible alternatives?
The SN74AS874DW is available in a 24-pin SOIC package (JESD-30 code R-PDSO-G24). Pin-compatible or functionally similar alternatives in the AS and ALS logic families include other 74AS874 variants in different packages. Always verify supply voltage, propagation delay, and output drive specifications when substituting with alternative parts.
Is the SN74AS874DW RoHS compliant and still in production?
Yes, the SN74AS874DW is RoHS compliant with a Pb-free designation (JESD-609 code e4). It carries a YTEOL rating of 15 years, indicating long-term availability support from Texas Instruments. Stock is available for immediate purchase with worldwide shipping starting from $4.61 per unit.
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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 |
|---|---|---|
| 25+ | $7.8900 | $197.25 |
| 42+ | $7.2000 | $302.40 |
| 175+ | $6.4200 | $1123.50 |
| 500+ | $5.1800 | $2590.00 |
| 1000+ | $4.9000 | $4900.00 |
| 10000+ | $4.6100 | $46100.00 |
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