CD4050BEE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD4050BEE4 is a Texas Instruments CMOS hex non-inverting buffer from the 4000 series, featuring 6 independent buffer channels with 50 pF load capacitance rating and 18 mA output current in a PDIP-16 package. It operates across a wide supply range for level-shifting and logic interfacing. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD4050BEE4 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 CD4050BEE4?
- 6 independent non-inverting buffer channels in a single PDIP-16 package for compact logic fan-out designs
- 18 mA output sink/source current per channel enables direct drive of LEDs and small signal loads without extra driver stages
- 50 pF rated load capacitance supports high-speed logic line driving at frequencies common in 4000-series CMOS systems
- Wide supply voltage range compatible with 3 V to 15 V CMOS systems for cross-voltage level interfacing
What is CD4050BEE4 used for?
The CD4050BEE4 is commonly used as a logic-level buffer and voltage-level translator in mixed-voltage embedded systems where signals must cross from a higher-voltage CMOS domain to a lower-voltage TTL or microcontroller input. Its 6 channels make it efficient for parallel bus buffering, clock distribution, and fan-out from a single-output signal to multiple destination nodes. The PDIP-16 package is well-suited for breadboard prototyping and through-hole PCB designs in hobbyist and industrial control applications.
What are the specifications of CD4050BEE4?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | 4000/14000/40000 |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUFFER |
| Max I(ol) | 0.018A |
| Number of Functions | 6 |
| Number of Inputs | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.12mA |
| Prop. Delay@Nom-Sup | 140ns |
| Propagation Delay (tpd) | 140ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 18V |
| Supply Voltage-Min (Vsup) | 3V |
| Supply Voltage-Nom (Vsup) | 10V |
| 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 |
| ## CD4050BEE4 Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia, Mexico |
Where can I find the CD4050BEE4 datasheet?
CD4050BEE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD4050BEE4?
Compatible alternatives and drop-in replacements for CD4050BEE4:
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Frequently Asked Questions
How does the CD4050BEE4 perform level translation from a 12 V CMOS signal down to a 5 V logic input?
The CD4050BEE4 is designed specifically for high-to-low level shifting: the input can accept voltages up to the supply rail of the driving source (e.g., 12 V) while the output swings relative to the CD4050's own VDD. By powering the CD4050BEE4 from 5 V and feeding a 12 V CMOS signal into its input, the output produces a 5 V-compatible logic signal. This avoids the risk of exceeding the 5 V microcontroller's maximum input voltage of typically 5.5 V.
Can the CD4050BEE4 drive multiple TTL logic inputs simultaneously from a single CMOS source?
Yes. Each of the 6 buffer channels provides up to 18 mA output current, enough to drive at least 10 standard TTL inputs which draw approximately 1.6 mA each. For a parallel 8-bit data bus where every line fans out to 2 TTL loads at 1.6 mA each, the CD4050BEE4 handles 6 of those lines comfortably within its 18 mA per-channel rating, requiring at most 2 ICs for a full 8-bit interface.
What is the propagation delay and switching speed of the CD4050BEE4 at 5 V supply?
At a 5 V supply with a 50 pF load capacitance, the CD4050BEE4 exhibits a typical propagation delay of approximately 60 ns to 125 ns, depending on operating temperature and exact supply voltage. This speed is adequate for 4000-series CMOS systems clocked below 8 MHz. For faster logic at 5 V, designers should consider 74HC or 74ACT series buffers which achieve propagation delays below 10 ns.
For a through-hole prototype, how does the PDIP-16 package of the CD4050BEE4 simplify development compared to SMT alternatives?
The PDIP-16 package has 16 pins on a 0.1-inch (2.54 mm) pitch that plugs directly into a standard solderless breadboard or through-hole PCB without adapters. Each pin row spans 0.3 inches (7.62 mm), fitting any standard 0.3-inch DIP socket. This eliminates the soldering iron and magnification tools required for SOIC-16 or TSSOP packages with 1.27 mm or 0.65 mm pitch, making the CD4050BEE4 PDIP-16 the preferred choice for rapid prototyping and educational lab work.
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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.
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