CDCV857BDGGG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
CDCV857BDGGG4 is a PLL-based clock driver from Texas Instruments with 10 true outputs and differential input conditioning. It delivers low-skew, 3-state clock distribution from a 48-pin TSSOP package, supporting high-frequency digital systems. Available in RoHS-compliant packaging for demanding networking and computing applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 48
- Lifecycle
- OBSOLETE
- Datasheet
- CDCV857BDGGG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CDCV857BDGGG4?
- PLL-based clock driver with 10 true 3-state outputs for precise, low-skew clock tree distribution
- Differential input conditioning supports LVPECL, LVDS, or single-ended clock sources without external components
- 48-pin TSSOP package enables high-density board placement in multi-load clock fan-out designs
What is CDCV857BDGGG4 used for?
CDCV857BDGGG4 is used in high-speed digital systems such as networking switches, server motherboards, and FPGA development boards where a single reference clock must fan out to 10 synchronous loads with minimal skew. Its PLL architecture removes reference jitter and regenerates clean clock edges for DDR memory controllers, ASICs, and bus bridges. The 3-state output feature allows multiple drivers on a shared clock bus for testability and power management.
What are the specifications of CDCV857BDGGG4?
| YTEOL | 0 |
| Family | 857 |
| Input Conditioning | DIFFERENTIAL |
| JESD-30 Code | R-PDSO-G48 |
| JESD-609 Code | e4 |
| Logic IC Type | PLL BASED CLOCK DRIVER |
| Max I(ol) | 0.012A |
| Number of Functions | 1 |
| Number of True Outputs | 10 |
| Output Characteristics | 3-STATE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP48,.3,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Same Edge Skew-Max (tskwd) | 0.1ns |
| Supply Voltage-Max (Vsup) | 2.7V |
| Supply Voltage-Min (Vsup) | 2.3V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| fmax-Min | 200MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| HTS Code | 8542.39.00.60 |
Where can I find the CDCV857BDGGG4 datasheet?
CDCV857BDGGG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CDCV857BDGGG4?
Compatible alternatives and drop-in replacements for CDCV857BDGGG4:
PLL Based Clock Driver, 857 Series, 10 True Output(s), 0 Inverted Output(s), PDSO48
PLL Based Clock Driver, 857 Series, 10 True Output(s), 0 Inverted Output(s), PDSO48
PLL Based Clock Driver, 857 Series, 10 True Output(s), 0 Inverted Output(s), PDSO48
PLL Based Clock Driver, 857 Series, 10 True Output(s), 0 Inverted Output(s), PDSO48
Frequently Asked Questions
How many outputs does CDCV857BDGGG4 support, and what output drive current does each provide?
CDCV857BDGGG4 features 10 true clock outputs, each with a maximum output low current (I_OL) of 12 mA. The 3-state control on all outputs allows individual enable/disable for power saving or bus-sharing configurations. This combination of fan-out count and drive strength suits multi-load clock distribution in DDR, FPGA, and ASIC subsystems.
What input clock formats does CDCV857BDGGG4 accept, and how does the PLL improve signal quality?
CDCV857BDGGG4 accepts differential input clock signals, including LVPECL and LVDS formats, through its differential input conditioning stage. The internal PLL multiplies and regenerates the reference clock, reducing input jitter and producing clean 3-state output edges. This makes it suitable for systems requiring sub-100 ps cycle-to-cycle jitter at output frequencies up to several hundred MHz.
What board space does the 48-pin TSSOP package of CDCV857BDGGG4 occupy compared to larger packages?
The 48-pin TSSOP (JESD-30 code R-PDSO-G48) has a body width of approximately 6.1 mm and a pin pitch of 0.5 mm, making it significantly more compact than equivalent 48-pin SOIC packages. This small footprint allows CDCV857BDGGG4 to fit within tight PCB areas on server backplanes or mid-sized networking cards while still routing 10 differential output pairs.
Is CDCV857BDGGG4 RoHS compliant, and what is its recommended alternative if it reaches end-of-life?
CDCV857BDGGG4 carries JESD-609 Code e4, indicating lead-free (RoHS-compliant) termination for all 48 pins. Designers evaluating end-of-life risk should check TI's CDCV857B family for active replacement parts, as the YTEOL value of 0 signals this part may be at or near end of product lifecycle. Stocking safety inventory of at least 12 months of demand is advisable.
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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.
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