LMK04000BISQ/NOPB Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
The LMK04000BISQ/NOPB is a Texas Instruments PLL-based clock conditioner IC supporting up to 1.296 GHz operation in a 48-pin WFQFN exposed-pad package. It features differential multiplexed input conditioning and 10 pF load capacitance for high-frequency clock distribution. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- LMK04000BISQ/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $27.0000(MOQ 1000)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- PLL-based clock conditioning with differential input MUX supporting up to 1.296 GHz, enabling precise jitter cleaning and clock fanout for high-speed digital systems
- 48-pin S-XQCC-N48 WFQFN exposed-pad package providing excellent thermal dissipation and a compact footprint suitable for high-density clock distribution boards
- RoHS-compliant (Pb-free, JESD-609 e3) with 15-year estimated end-of-life in the LMK 4000/14000/40000 family, ensuring long-term procurement reliability
Applications
The LMK04000BISQ/NOPB is used in high-speed communications, networking, and data center equipment where low-jitter clock conditioning and distribution at frequencies up to 1.296 GHz are required. It is commonly deployed in line cards, FPGAs, and SerDes clocking applications where multiple synchronous clock outputs must be derived from a single reference. The differential input multiplexer also supports redundant clock source switching in high-availability systems.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | 4000/14000/40000 |
| Input Conditioning | DIFFERENTIAL MUX |
| JESD-30 Code | S-XQCC-N48 |
| JESD-609 Code | e3 |
| Load Capacitance (CL) | 10pF |
| Logic IC Type | PLL BASED CLOCK DRIVER |
| Max I(ol) | 0.0005A |
| Number of Functions | 1 |
| Number of True Outputs | 7 |
| Output Characteristics | 3-STATE |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC48,.27SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 435mA |
| Qualification Status | Not Qualified |
| Same Edge Skew-Max (tskwd) | 0.1ns |
| Supply Voltage-Max (Vsup) | 3.45V |
| Supply Voltage-Min (Vsup) | 3.15V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| fmax-Min | 1296MHz |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum operating frequency of the LMK04000BISQ/NOPB?
The LMK04000BISQ/NOPB supports clock conditioning and distribution up to 1.296 GHz, making it suitable for high-speed SerDes, networking, and RF clocking applications where precise, low-jitter clock signals at GHz-range frequencies are required.
What input conditioning does the LMK04000BISQ/NOPB provide?
The LMK04000BISQ/NOPB features a differential input multiplexer (MUX) for input conditioning, allowing selection between multiple differential clock sources. This is especially useful in redundant or switchable clock architectures found in telecom line cards and high-availability network equipment.
What package does the LMK04000BISQ/NOPB use?
The LMK04000BISQ/NOPB is housed in a 48-pin S-XQCC-N48 WFQFN (Wideband Flip-Chip Quad Flat No-Lead) exposed-pad package. The exposed pad improves thermal performance, and the compact no-lead form factor facilitates dense PCB placement in clock distribution sub-systems.
Is the LMK04000BISQ/NOPB part of a larger product family?
Yes, the LMK04000BISQ/NOPB belongs to the Texas Instruments LMK 4000/14000/40000 clock conditioner family. This family offers a range of devices with varying output counts, jitter performance, and feature sets, enabling designers to select the right level of integration for their specific clocking architecture.
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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 |
|---|---|---|
| 1000+ | $27.0000 | $27000.00 |
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