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
What are the key features of CD74HCT40105E?
- 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
What is CD74HCT40105E used for?
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.
What are the specifications of CD74HCT40105E?
| 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 |
Where can I find the CD74HCT40105E datasheet?
CD74HCT40105E Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HCT40105E?
Compatible alternatives and drop-in replacements for CD74HCT40105E:
suggested
suggested
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.
Related Guides
150141RS73100 Red LED Indicator and Current-Resistor Design Guide
Design a reliable 150141RS73100 red LED indicator with worst-case resistor sizing, GPIO checks, PWM drive, layout, and production validation.
Jul 11, 2026
742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide
Practical guidance for using 742792651 in ferrite-bead EMI filters, including bias, DCR, damping, layout, and validation.
Jul 11, 2026
How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide
Compare 742792651 and related ferrite beads by impedance, current rating, DCR, package, layout, and EMI test context.
Jul 10, 2026
150141BS73100 Design Guide for 3528 Status Indicator LED Circuits
Design 3528 status indicator LED circuits with 150141BS73100: current setting, resistor sizing, polarity, optics, and sourcing checks.
Jul 10, 2026
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 |
|---|---|---|
| 1+ | $0.9330 | $0.93 |
| 6+ | $0.7775 | $4.67 |
| 20+ | $0.5598 | $11.20 |
| 90+ | $0.4354 | $39.19 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit