CD74HC4020M Texas Instruments Integrated Circuit (Other) In Stock
The CD74HC4020M is a 14-stage ripple-carry binary counter with outputs available from 12 stages, operating from 2 V to 6 V supply with a maximum clock frequency of 20 MHz. It is housed in a 16-pin SOIC package suitable for compact PCB layouts. Available from major distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HC4020M Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4042(MOQ 368)
- 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 CD74HC4020M?
- 14-stage ripple-carry binary counter with 12 accessible output taps for flexible frequency division
- Wide supply range from 2 V to 6 V enabling use in both 3.3 V and 5 V systems
- 20 MHz maximum clock frequency supporting medium-speed timing and division applications
- 16-pin SOIC package (R-PDSO-G16) balancing board density with ease of hand-soldering
What is CD74HC4020M used for?
The CD74HC4020M is widely used as a programmable frequency divider and long-duration timer in embedded control and instrumentation designs. Its multiple output taps allow simultaneous generation of sub-frequencies from a single oscillator input, simplifying clock distribution in mixed-frequency systems. It also serves in low-power battery-operated equipment where the 2 V to 6 V operating range accommodates varying battery voltage over discharge.
What are the specifications of CD74HC4020M?
| YTEOL | 0 |
| Additional Feature | OUTPUT FROM 12 STAGES AVAILABLE |
| Count Direction | UP |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| 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 | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| 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 | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Trigger Type | NEGATIVE EDGE |
| fmax-Min | 24MHz |
| ## CD74HC4020M Alternates Showing results | Image |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Mexico |
Where can I find the CD74HC4020M datasheet?
CD74HC4020M Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC4020M?
Compatible alternatives and drop-in replacements for CD74HC4020M:
suggested
Binary Counter, HC Series, Asynchronous, Negative Edge Triggered, 12-Bit, Up Direction, CMOS, PDSO16
Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 14-Bit, Up Direction, CMOS, PDSO16
Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 12-Bit, Up Direction, CMOS, PDSO16
Frequently Asked Questions
What is the maximum clock frequency of CD74HC4020M, and which stages are accessible as outputs?
The CD74HC4020M supports a maximum clock frequency of 20 MHz at 5 V supply with a 50 pF load. Outputs from 12 of the 14 ripple-carry stages are accessible, providing divided frequencies of f/4 through f/16384 for flexible clock generation.
How does the CD74HC4020M behave when powered from a 3.3 V rail in a mixed-voltage system?
At 3.3 V supply, the CD74HC4020M operates within its specified 2 V to 6 V range, though maximum clock frequency drops to approximately 8 MHz. Output voltage swings remain CMOS-compatible, making it interoperable with 3.3 V microcontrollers without level-shifting.
For a long-duration watchdog timer design, how far can CD74HC4020M divide a 32.768 kHz crystal?
Connecting a 32.768 kHz crystal oscillator to the CD74HC4020M clock input, the Q14 output delivers 32768 / 16384 = 2 Hz, and Q13 delivers 4 Hz. These low-rate pulses are suitable for 0.5-second and 0.25-second watchdog or real-time heartbeat signals requiring no additional dividers.
What SOIC package dimensions should be planned for when placing CD74HC4020M on a PCB?
CD74HC4020M uses the 16-pin SOIC (R-PDSO-G16) package with a body length of 9.9 mm, body width of 3.9 mm, and 1.27 mm lead pitch. The total footprint including leads is approximately 6 mm wide by 10 mm long, fitting easily on standard SOIC-16 PCB pads.
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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 |
|---|---|---|
| 368+ | $0.8100 | $298.08 |
| 1000+ | $0.5411 | $541.10 |
| 10000+ | $0.4824 | $4824.00 |
| 100000+ | $0.4042 | $40420.00 |
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