CD74HCT244M96G4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments CD74HCT244M96G4 is an 8-channel non-inverting 3-state bus driver from the HCT CMOS logic family, featuring two active-low output enables and 50 pF load capability in a 20-pin SOIC package. Compatible with 5 V TTL input levels for mixed-logic interfacing. Available in tape-and-reel format with global distribution.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HCT244M96G4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74HCT244M96G4?
- 8-channel non-inverting 3-state outputs with two independent active-low output enables for flexible bus partitioning
- HCT family 5 V TTL-compatible inputs enabling direct interfacing between CMOS logic and legacy TTL bus systems
- 20-pin SOIC M96 package in tape-and-reel (T/R) for high-volume automated SMT assembly on dense bus buffer arrays
What is CD74HCT244M96G4 used for?
The CD74HCT244M96G4 serves as a unidirectional bus buffer and line driver in microprocessor address and data bus expansion circuits, memory interface boards, and FPGA I/O expansion cards. Its two independent output-enable controls allow the device to act as a multiplexed output port, selectively driving two groups of 4 lines onto a shared bus. The HCT family's TTL-compatible inputs make it ideal for bridging 5 V TTL outputs to CMOS downstream loads in mixed-technology industrial and embedded systems.
What are the specifications of CD74HCT244M96G4?
| YTEOL | 0 |
| Additional Feature | TWO ACTIVE-LOW OUTPUT ENABLES |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | HCT |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.006A |
| Number of Bits | 4 |
| Number of Functions | 2 |
| 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 | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Prop. Delay@Nom-Sup | 38ns |
| Propagation Delay (tpd) | 38ns |
| 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 | CMOS |
| Temperature Grade | MILITARY |
| 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 |
| HTS Code | 8542.39.00.60 |
Where can I find the CD74HCT244M96G4 datasheet?
CD74HCT244M96G4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HCT244M96G4?
Compatible alternatives and drop-in replacements for CD74HCT244M96G4:
Frequently Asked Questions
How many output channels and output-enable controls does the CD74HCT244M96G4 provide, and how are they organized?
The CD74HCT244M96G4 provides 8 non-inverting 3-state output channels split into two groups of 4, each controlled by an independent active-low output enable pin. This allows one half of the bus to be driven while the other is in high-impedance state, enabling bus sharing between 2 devices without bus contention on a shared 4-bit or 8-bit bus.
What logic family does the CD74HCT244M96G4 belong to, and what input voltage levels does it accept?
The CD74HCT244M96G4 belongs to the HCT (High-speed CMOS with TTL-compatible inputs) logic family, which accepts standard 5 V TTL input thresholds — logic high above approximately 2 V and logic low below 0.8 V. This makes it fully compatible with legacy 74LS and 74AS TTL devices while providing CMOS output swings of 0 V to 5 V with 6 mA sink and source capability.
What is the maximum output sink current for the CD74HCT244M96G4, and what loads can it directly drive?
The CD74HCT244M96G4 has a maximum low-level output current (IOL) of 6 mA per output. While modest compared to ABT or LVT families, this 6 mA drive is sufficient to directly drive standard CMOS gate inputs on a bus with 50 pF load capacitance, which is typical for PCB traces up to approximately 10 cm in length at standard logic operating speeds.
When would CD74HCT244M96G4 be preferred over CD74HC244 in a system design?
CD74HCT244M96G4 is preferred over CD74HC244 when the driving logic uses 5 V TTL levels, because the HC variant requires CMOS input swings close to the supply rail for reliable switching. The HCT variant's TTL-compatible thresholds guarantee correct operation when driven by 74LS, 74AS, or older 5 V microprocessor bus outputs, eliminating the need for level-shifting components and reducing BOM complexity.
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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.
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