CD74HCT40105E Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
CD74HCT40105E is a 4-bit wide, 16-word FIFO memory IC from Texas Instruments operating at 4.5–5.5V with 10MHz max clock frequency and 2250ns access time in a 16-Pin PDIP package. From $0.44 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD74HCT40105E Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4354(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 4-bit wide x 16-word FIFO architecture with 64-bit memory density for efficient data buffering
- HCT-compatible logic levels operating at 4.5V to 5.5V supply voltage for TTL system integration
- 10MHz maximum clock frequency with 100ns cycle time enabling high-speed data throughput
- 16-Pin PDIP package (JESD-30 R-PDIP-T16) for easy through-hole PCB assembly
- RoHS compliant (Pb-free) with 15-year end-of-life commitment from Texas Instruments
Applications
The CD74HCT40105E is ideal for data buffering and rate matching between asynchronous digital subsystems in embedded and industrial designs. It suits applications such as serial communication interfaces, microprocessor-to-peripheral data queuing, and FIFO buffering in UART or SPI bridges. Its TTL-compatible HCT logic family makes it a reliable choice for legacy system upgrades and mixed 5V/TTL digital environments.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Access Time-Max | 2250ns |
| Clock Frequency-Max (fCLK) | 10MHz |
| Cycle Time | 100ns |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Memory Density | 64bit |
| Memory IC Type | OTHER FIFO |
| Memory Width | 4 |
| Number of Functions | 1 |
| Number of Words | 16words |
| Number of Words Code | 16 |
| Operating Mode | SYNCHRONOUS |
| Organization | 16X4 |
| Output Characteristics | 3-STATE |
| Output Enable | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Parallel/Serial | PARALLEL |
| 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 | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| ## CD74HCT40105E Alternates Showing results | Image |
| 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, Mexico |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the key electrical specifications of the CD74HCT40105E?
The CD74HCT40105E operates on a 4.5V to 5.5V supply voltage with a maximum clock frequency of 10MHz, a cycle time of 100ns, and a maximum access time of 2250ns. It offers a 4-bit wide, 16-word (64-bit) FIFO memory organization.
What package type does the CD74HCT40105E use and is it RoHS compliant?
The CD74HCT40105E comes in a 16-Pin PDIP (Dual In-Line Package) format, designated as JESD-30 R-PDIP-T16. It is fully RoHS compliant with a Pb-free (lead-free) code and carries a 15-year YTEOL (Years To End-Of-Life) commitment from Texas Instruments.
What are typical applications for the CD74HCT40105E FIFO?
The CD74HCT40105E is commonly used for data buffering between asynchronous digital blocks, UART and SPI data queuing, microprocessor-to-peripheral interfaces, and rate matching in industrial control and communication systems. Its HCT logic compatibility makes it especially suitable for 5V TTL-level designs.
What are suitable alternatives or replacements for the CD74HCT40105E?
Alternatives to the CD74HCT40105E include other members of the HCT FIFO family such as the SN74HCT40105 in SMD packages, or similar FIFO ICs from other manufacturers with 4-bit wide, 16-word depth, and HCT-compatible logic levels operating at 5V.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9330 | $0.93 |
| 6+ | $0.7775 | $4.67 |
| 20+ | $0.5598 | $11.20 |
| 90+ | $0.4354 | $39.19 |
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