CD74FCT244ATM Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments CD74FCT244ATM is a BiCMOS FCT-family octal non-inverting buffer and line driver with 3-state outputs, operating at 5 V with 64 mA sink current, suited for high-speed bus driving and signal isolation in digital systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- CD74FCT244ATM Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4725(MOQ 100)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74FCT244ATM?
- Octal (8-channel) non-inverting buffer with 3-state outputs for bus isolation
- BiCMOS FCT technology: 5 V supply, 64 mA max output low current (I_OL)
- Active-low output enable control for straightforward bus direction switching
- Propagation delay below 5 ns typical, supporting high-speed backplane designs
- 20-pin SOIC package compatible with standard SMT assembly
- Load capacitance rating of 50 pF for reliable operation on multi-load buses
What is CD74FCT244ATM used for?
The CD74FCT244ATM is commonly used in data bus buffering, memory address driving, and signal isolation in industrial computers, embedded controllers, and communication backplane systems. Its 3-state outputs and unidirectional drive capability make it a reliable choice for demultiplexing address lines or expanding GPIO in 5 V digital logic designs.
What are the specifications of CD74FCT244ATM?
| YTEOL | 0 |
| Additional Feature | TYPICAL VOLP = 1V AT VCC = 5V,TA = 25 DEGREE C |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | FCT |
| JESD-30 Code | R-PDSO-G20 |
| 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 | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 5.3ns |
| Propagation Delay (tpd) | 5.3ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
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 |
Where can I find the CD74FCT244ATM datasheet?
CD74FCT244ATM Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74FCT244ATM?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output drive current does the CD74FCT244ATM provide, and is that enough for a TTL-loaded bus?
The CD74FCT244ATM is rated for a maximum output low current (I_OL) of 64 mA per channel, which is well above the 8 mA required by a standard TTL input. This allows it to drive buses with up to 8 standard TTL loads per output while maintaining a valid low output voltage.
How does the 3-state output feature of CD74FCT244ATM benefit multi-driver bus architectures?
The 3-state outputs allow all 8 channels to present high impedance simultaneously when the active-low output enable pin is deasserted high, preventing bus contention in systems where multiple 5 V bus drivers share the same address or data lines at 50 pF load capacitance.
Which package does CD74FCT244ATM use and what PCB footprint does it require?
CD74FCT244ATM is supplied in a 20-pin SOIC (R-PDSO-G20) package with a 1.27 mm pin pitch. The 20-pin SOIC body is compatible with standard SMT reflow processes and widely available 20-pin SOIC land patterns used in production PCB assembly.
When should a designer choose CD74FCT244ATM over a 74HC244 buffer in a 5 V embedded system?
CD74FCT244ATM is preferable when the bus requires higher output drive of 64 mA versus the 25 mA typical of 74HC244, or when faster propagation delay below 5 ns is needed for high-speed backplane operation. For 3.3 V or mixed-voltage systems, a 74LVC244 would be more appropriate.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.6244 | $62.44 |
| 250+ | $0.5400 | $135.00 |
| 500+ | $0.4725 | $236.25 |
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