SN74F244NIn StockTexas Instruments
The SN74F244N is an octal buffer/line driver with 3-state outputs, featuring 64mA sink current, 50pF load capacitance, and unidirectional data flow in a 20-pin DIP package. From $0.59, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- SN74F244N Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5912(MOQ 10)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Octal (8-bit) buffer/line driver with 3-state outputs for bus isolation and signal buffering
- High-speed F/FAST logic family with low propagation delay for demanding digital systems
- Active-low output enable control for flexible bus management and tristate operation
- 64mA output sink current (IOL) for robust drive capability in high-fan-out applications
- 20-pin DIP package for easy through-hole PCB assembly and prototyping
Applications
The SN74F244N is widely used in microprocessor bus buffering, memory address/data bus driving, and backplane signal distribution where high-speed, high-drive-strength logic is required. It is also applied in industrial control systems and communication equipment for isolating and driving multiple loads from a single source. Its 3-state outputs make it ideal for multiplexed bus architectures and bidirectional data path management.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | F/FAST |
| JESD-30 Code | R-PDIP-T20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.064A |
| 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 | DIP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 90mA |
| Prop. Delay@Nom-Sup | 6.5ns |
| Propagation Delay (tpd) | 6.5ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74F244N:
Frequently Asked Questions
What is the output drive current of the SN74F244N?
The SN74F244N features a maximum output sink current (IOL) of 64mA, making it suitable for driving high-fan-out bus lines and multiple logic inputs simultaneously in high-speed digital systems.
What package type is the SN74F244N available in?
The SN74F244N is available in a 20-pin Dual-In-Line (DIP) through-hole package, which is convenient for prototyping, breadboarding, and traditional PCB assembly in industrial and consumer electronics applications.
What are typical applications for the SN74F244N?
Typical applications include microprocessor address and data bus buffering, memory system interfacing, backplane driving, and any digital design requiring 3-state bus isolation. The unidirectional F/FAST logic family ensures minimal propagation delay in time-critical circuits.
Is the SN74F244N RoHS compliant?
Yes, the SN74F244N is Pb-free and RoHS compliant (JESD-609 Code: e4), meeting environmental regulations for use in modern electronics manufacturing worldwide.
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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 |
|---|---|---|
| 10+ | $0.7257 | $7.26 |
| 20+ | $0.6921 | $13.84 |
| 100+ | $0.5912 | $59.12 |
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