CD54HC4040F3A Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
Texas Instruments CD54HC4040F3A is a single 12-bit binary ripple-carry up counter in the HC/UH family, operating up to 20 MHz with a 50 pF load capacitance in a 16-pin ceramic DIP package. It is suited for frequency division and event counting applications. Available worldwide with Pb-free compliance.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD54HC4040F3A 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 CD54HC4040F3A?
- 12-bit binary up counter providing 4096 count states for frequency division and event counting circuits
- Maximum operating frequency of 20 MHz at nominal supply enabling high-speed digital counting applications
- HC/UH CMOS family providing wide supply voltage range and high noise immunity for reliable operation
- 16-pin ceramic DIP package offering superior temperature stability for military and high-reliability environments
What is CD54HC4040F3A used for?
The CD54HC4040F3A 12-bit binary counter is used in frequency divider circuits, clock prescalers, and digital event counting systems in embedded and industrial designs. Its 20 MHz maximum frequency makes it suitable for dividing high-speed clock signals down to sub-megahertz rates in timing and synchronization circuits. The ceramic DIP package provides enhanced reliability for military, aerospace, and high-temperature industrial applications requiring long service life.
What are the specifications of CD54HC4040F3A?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Count Direction | UP |
| Family | HC/UH |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Load/Preset Input | NO |
| Logic IC Type | BINARY COUNTER |
| Max Frequency@Nom-Sup | 20000000Hz |
| Max I(ol) | 0.0052A |
| Mode of Operation | ASYNCHRONOUS |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 30ns |
| Propagation Delay (tpd) | 210ns |
| Qualification Status | Not Qualified |
| Screening Level | 38535Q/M;38534H;883B |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Trigger Type | NEGATIVE EDGE |
| fmax-Min | 24MHz |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the CD54HC4040F3A datasheet?
CD54HC4040F3A Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD54HC4040F3A?
Compatible alternatives and drop-in replacements for CD54HC4040F3A:
Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 12-Bit, Up Direction, CMOS, CDIP16
Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 14-Bit, Up Direction, CMOS, CDIP16
Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 14-Bit, Up Direction, CMOS, CDIP16
Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 7-Bit, Up Direction, CMOS, CDIP14
Frequently Asked Questions
For a frequency divider design, what output frequencies can the CD54HC4040F3A generate from a 20 MHz input clock?
The CD54HC4040F3A provides 12 binary counter outputs, each dividing the input clock by a power of 2. From a 20 MHz input, the outputs provide frequencies from 10 MHz at bit 1 down to approximately 4.88 kHz at bit 12, enabling a wide range of divided clock frequencies in a single 16-pin IC without external logic.
In a high-reliability military application, why is the ceramic DIP package of the CD54HC4040F3A preferred over plastic packages?
The ceramic DIP package of the CD54HC4040F3A offers hermetic sealing that resists moisture and contaminants more effectively than plastic packages. Ceramic packages also withstand higher operating temperatures and provide better long-term reliability in military and aerospace environments where the device may be exposed to thermal cycling, vibration, and humidity extremes beyond the range of standard plastic ICs.
Can the CD54HC4040F3A operate with different supply voltages, and how does this affect maximum counting frequency?
The CD54HC4040F3A belongs to the HC family, which typically supports a supply voltage range of 2 V to 6 V. At higher supply voltages near 5 V to 6 V, the device achieves its maximum frequency of 20 MHz at 50 pF load capacitance, while at lower voltages the maximum frequency decreases, which designers must account for in timing-critical frequency divider circuits.
Does the CD54HC4040F3A support synchronous preset or clear functions for initialization in sequential logic designs?
The CD54HC4040F3A does not include a load/preset input for synchronous loading of initial values, as indicated in its specifications. It does support a master reset for asynchronous clearing of all 12 counter bits to zero, enabling deterministic initialization in sequential logic systems. Designers requiring synchronous preset capability would need to consider an alternative counter device.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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
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