CD74HC4511MT Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The CD74HC4511MT is a high-speed CMOS BCD-to-7-segment decoder/driver from Texas Instruments with latched input conditioning and 5.2 mA output sink current. It decodes 4-bit BCD input to drive 7-segment displays in an SOIC-16 package. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HC4511MT 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
Key Features
- BCD-to-7-segment decoder with latched input conditioning for stable display output during data bus transitions
- 7-bit output driving capability with 5.2 mA sink current per segment, sufficient for direct LED 7-segment display drive
- HC CMOS family with 50 pF load capacitance, operating across 2 V to 6 V for compatibility with 3.3 V and 5 V systems
Applications
The CD74HC4511MT is used in digital display systems to convert 4-bit BCD data from microcontrollers or counters directly into 7-segment LED display signals without additional decoding software. It is commonly found in electronic meters, industrial panel displays, score counters, and timer readouts where a hardware BCD-to-display interface simplifies the design.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Family | HC/UH |
| Input Conditioning | LATCHED |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | SEVEN SEGMENT DECODER/DRIVER |
| Max I(ol) | 0.0052A |
| Number of Bits | 7 |
| Number of Functions | 1 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 60ns |
| Propagation Delay (tpd) | 450ns |
| 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 |
| Package | Small Outline Packages |
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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the input latch in the CD74HC4511MT improve display stability during data updates?
The CD74HC4511MT includes a built-in latch controlled by the LE (Latch Enable) pin. When LE is high, the 4-bit BCD input is latched and the output segment pattern is held steady regardless of input changes. This prevents display flickering during data bus transitions, ensuring a clean 7-segment display output during microcontroller write cycles.
Can the CD74HC4511MT directly drive a common-cathode LED 7-segment display at 5 V?
Yes, the CD74HC4511MT is designed for direct drive of common-cathode LED 7-segment displays. Its 7 output lines can each sink up to 5.2 mA at 5 V supply, which is adequate for most standard LED segments rated at 2 mA to 5 mA. A series current-limiting resistor of approximately 470 Ω per segment is still recommended to control LED current within the rated range.
When is the CD74HC4511MT preferred over software-based BCD decoding in embedded designs?
The CD74HC4511MT is preferred when CPU cycles are scarce or real-time display refresh is needed without software overhead. By handling BCD-to-7-segment conversion in hardware, it frees the microcontroller from decoding logic and eliminates display multiplexing delays. The latched input further reduces the number of GPIO writes needed per display update cycle in 5 V embedded systems.
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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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