CD74HC4049NSR Texas Instruments Logic ICs (SOIC-16) In Stock
CD74HC4049NSR is a hex inverting buffer and CMOS-to-TTL level translator IC by Texas Instruments in the HC/UH family. Key specs: 6 inverter functions, 50 pF load capacitance, 4 mA output sink current, 16-pin SOIC package. From $0.30, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOIC-16
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC4049NSR Datasheet PDF
- Category
- Logic ICs
- Price
- From $0.2590(MOQ 25)
- 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 CD74HC4049NSR?
- 6 independent inverting buffer channels enabling CMOS-to-TTL level translation in a single 16-pin package
- Supports 50 pF load capacitance with 4 mA output sink current for reliable drive of TTL-level loads
- RoHS-compliant e4 JESD-609 lead-free construction and HC/UH family compatibility with wide supply voltage range
What is CD74HC4049NSR used for?
CD74HC4049NSR is ideal for interfacing CMOS logic stages to TTL-compatible inputs in mixed-voltage digital systems. Its 6 inverting buffer channels are widely used in microcontroller I/O expansion, signal conditioning, and bus driving applications in consumer electronics and industrial control boards. The small 16-pin SOIC package simplifies PCB layout in space-constrained designs.
What are the specifications of CD74HC4049NSR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | CMOS-TTL LEVEL TRANSLATOR |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | INVERTER |
| Max I(ol) | 0.004A |
| Number of Functions | 6 |
| Number of Inputs | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.04mA |
| Prop. Delay@Nom-Sup | 26ns |
| Propagation Delay (tpd) | 130ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| 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) | 30 |
| Package | SOIC-16 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the CD74HC4049NSR datasheet?
CD74HC4049NSR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC4049NSR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many inverting buffer channels does CD74HC4049NSR have and what output sink current can it deliver?
CD74HC4049NSR integrates 6 independent inverting buffer channels, each capable of sinking up to 4 mA of output current. This combination allows the device to drive 6 separate TTL-level loads simultaneously from a single 16-pin SOIC package, reducing component count.
Can CD74HC4049NSR be used to translate logic levels between 5 V CMOS outputs and 3.3 V TTL inputs?
Yes, CD74HC4049NSR is specifically characterized as a CMOS-to-TTL level translator. Its input thresholds and output drive levels are designed to accept 5 V CMOS signals and produce TTL-compatible output voltages, making it effective for 5 V to lower-voltage bus translation in mixed-supply digital systems.
What load capacitance can CD74HC4049NSR drive and why does that matter for high-speed signal integrity?
CD74HC4049NSR is rated for a load capacitance (CL) of 50 pF per channel. Driving loads at or below 50 pF ensures the output rise and fall times stay within the HC-family propagation delay specifications, maintaining signal integrity at clock rates typically up to 25 MHz in standard 5 V HC logic designs.
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
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $0.2990 | $7.47 |
| 100+ | $0.2800 | $28.00 |
| 1000+ | $0.2590 | $259.00 |
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.”