CD54HC4020F Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The CD54HC4020F is a high-speed CMOS 14-stage binary ripple counter in a ceramic 16-pin DIP package from Texas Instruments. It operates from 2 V to 6 V supply with 50 pF load capacitance and provides 12 accessible output stages. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD54HC4020F Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.8450(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
- 14-stage binary ripple counter with 12 output stages accessible, enabling direct frequency division up to divide-by-16384
- Wide supply voltage range of 2 V to 6 V with HC/UH CMOS family compatibility for mixed-voltage system integration
- Ceramic DIP-16 package (CDIP-16) rated for extended temperature ranges suitable for military and harsh-environment applications
- High-speed CMOS logic with 50 pF load capacitance rating ensuring reliable operation in high-frequency counting circuits
Applications
The CD54HC4020F is used in frequency division and timing circuits where a cascaded binary counter reduces a reference clock signal by powers of 2, making it suitable for digital clocks, event counters, and frequency synthesizers. Its 12 accessible output taps allow designers to simultaneously derive multiple divided-down frequencies from a single input clock in microcontroller-based systems or FPGAs. The ceramic DIP package also makes it appropriate for military, aerospace, and industrial applications requiring reliable operation across extended temperature ranges.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | OUTPUT FROM 12 STAGES AVAILABLE |
| 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 | 14 |
| 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 |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD54HC4020F:
Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 14-Bit, Up Direction, CMOS, PDIP16
Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 7-Bit, Up Direction, CMOS, CDIP14
Binary 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, 12-Bit, Up Direction, CMOS, CDIP16
Frequently Asked Questions
What is the maximum division ratio achievable with the CD54HC4020F, and how many output stages are accessible?
The CD54HC4020F provides 14 internal binary counter stages with 12 output pins accessible, yielding a maximum frequency division ratio of 16384 (2^14). This allows designers to derive sub-frequencies down to 1/16384 of the input clock from a single 16-pin CDIP package.
Over what supply voltage range does the CD54HC4020F operate reliably?
The CD54HC4020F operates across a supply voltage range of 2 V to 6 V, making it compatible with both 3.3 V and 5 V logic systems. This wide range supports interfacing with microcontrollers and FPGAs that use different voltage rails without additional level translation in most designs.
Why choose the ceramic DIP-16 package of the CD54HC4020F for harsh-environment designs?
The ceramic DIP-16 (CDIP-16) package of the CD54HC4020F offers superior hermeticity compared to plastic packages, with moisture resistance and extended operational temperature capability commonly rated to -55°C to +125°C. This makes it the preferred choice for military, aerospace, and industrial applications where plastic packages would be unreliable.
How does CD54HC4020F compare to CD74HC4020 for frequency divider circuit design?
The CD54HC4020F and CD74HC4020 share the same 14-stage binary counter function and 12 accessible outputs but differ in package and temperature grade. The CD54HC4020F uses a ceramic DIP-16 package rated to -55°C, while the CD74HC4020 typically uses a plastic package for commercial temperature ranges of 0°C to 70°C. For high-reliability designs, the CD54HC4020F ceramic version provides better long-term stability.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $9.6900 | $9.69 |
| 2+ | $6.4600 | $12.92 |
| 5+ | $4.8450 | $24.22 |
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