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ADSANTEC ASNT8144-KMC
- Part No.:
- ASNT8144-KMC
- Manufacturer:
- ADSANTEC
- Category:
- Specialized ICs
- Package:
- 24-CQFP
- Description:
- IC PRBS W/ RESET 24CQFP
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:
- Shipping:
Product Details
ASNT8144-KMC - 23 Gbps PRBS7/PRBS15 Generator with Sync Output
The ADSANTEC ASNT8144-KMC is a SiGe pseudo-random binary sequence generator supporting selectable PRBS7 and PRBS15 patterns from DC to 23 Gbps, differential CML clock and data interfaces, and a period-synchronization output in a custom 24-pin CQFP package.
Function, package, pin assignments, supply configurations, and electrical specifications were checked against ADSANTEC's exact product page and ASNT8144-KMC datasheet revision 1.0.2.
Overview
ASNT8144-KMC implements a linear-feedback shift register that produces either a 32767-bit PRBS15 sequence using x15 + x14 + 1 or a 127-bit PRBS7 sequence using x7 + x6 + 1. The off15 control selects the polynomial, while the differential active-low reset initializes the generator away from the prohibited all-zero state.
Key Advantages
Two Standard PRBS Lengths
External selection between full-length PRBS7 and PRBS15 patterns supports multiple serial-link test cases.
Broad Data-Rate Range
Differential clocking supports operation from static conditions through 23 Gbps.
Period Synchronization
A differential sync output provides one pulse per PRBS period through sequence division by 32 or 8192.
CML Signal Integrity
Differential CML interfaces and on-chip 50 Ω input termination support high-speed laboratory and system integration.
Feature Summary
- Selectable 215-1 or 27-1 PRBS sequence
- DC-to-23 Gbps output data rate
- Differential PRBS and synchronization outputs
- Asynchronous differential active-low reset
- Single +3.3 V or -3.3 V supply configuration
- 400 mV nominal single-ended CML output swing
- 850 mW nominal power consumption
- Custom 24-pin CQFP with backside heat slug
Package & Footprint
ADSANTEC specifies the exact ASNT8144-KMC in a custom 24-pin CQFP package. The package includes a center heat slug on the back side for heat dissipation.
- Use the manufacturer package drawing and footprint dimensions.
- Connect the center heat slug to the VCC plane as recommended.
- Route differential clock, reset, data, and sync pairs symmetrically.
- Choose coupling components for the selected positive or negative supply arrangement.
The registered production package image is currently unavailable; publication must wait until `/upload/package/24-CQFP.jpg` returns a valid JPG.
Pin Functions
The exact 24-pin terminal assignment is taken from the ADSANTEC datasheet.
Observe the datasheet's common-mode limits and do not infer ground-referenced compatibility from the nominal supply voltage alone.
Key Specifications
| Function | Selectable PRBS7/PRBS15 generator with sync output |
|---|---|
| PRBS polynomials | x7 + x6 + 1; x15 + x14 + 1 |
| Clock/data range | DC to 23 Gbps |
| Supply configurations | VCC = 0 V, VEE = -3.3 V; or VCC = +3.3 V, VEE = 0 V |
| Supply tolerance | Approximately ±6% around 3.3 V |
| Supply current | 240 mA typical, 275 mA maximum |
| Power consumption | 850 mW nominal; 0.86 W absolute maximum |
| Junction temperature | -40°C to +125°C |
| CML clock swing | 0.05 V to 0.8 V differential or single-ended peak-to-peak |
| Data output swing | 280 mV to 440 mV single-ended |
| Output jitter | 2.5 ps peak-to-peak, datasheet condition |
| Package | Custom 24-pin CQFP |
Specifications above are controlled by datasheet test conditions. Consult the current electrical-characteristics and package sections before design release.
Replacement Considerations
Other ADSANTEC PRBS generators may differ in polynomial set, synchronization behavior, maximum rate, power, package, and control pins. ASNT8142-KMC provides PRBS7/PRBS15 generation with a half-period delayed output rather than the ASNT8144-KMC synchronization output. Treat related KMC devices as design alternatives only after schematic, footprint, termination, timing, and software/test expectations are revalidated.
Manufacturer Information
ADSANTEC develops high-speed SiGe signal-generation, clock-processing, and interface ICs. The exact product page and revision-controlled datasheet identify ASNT8144-KMC as the custom 24-pin CQFP version of this PRBS7/PRBS15 generator.
Applications
High-Speed Link Testing
PRBS stimulus for serial channels, receivers, and clock/data paths up to 23 Gbps.
BER Test Equipment
Pattern generation and period synchronization in laboratory bit-error-rate setups.
Optical and Electrical Modules
Embedded pattern sources for characterization of transceiver and interconnect assemblies.
Timing Characterization
Differential test stimulus for jitter, eye-diagram, and synchronization measurements.
Quality & Authenticity
Verify the full ASNT8144-KMC ordering code, package marking, 24-pin CQFP construction, date and lot information, and handling condition. The manufacturer datasheet states compliance with the cited RoHS substance restrictions; project-level qualification and traceability requirements remain the purchaser's responsibility.
FAQ
Which PRBS patterns are available?
The off15 input selects full-length PRBS7 or PRBS15 generation.
What is the maximum output rate?
ADSANTEC specifies operation from DC to 23 Gbps under the datasheet conditions.
What does the sync output provide?
It produces one differential pulse per PRBS period, derived by division by 32 for PRBS7 or 8192 for PRBS15.
Can it use a positive 3.3 V supply?
Yes, but the I/O coupling and PCB implementation must follow the positive-supply configuration described by ADSANTEC.
Engineering Notice
Before release, verify the exact package drawing, center-slug connection, supply polarity, CML common-mode range, 50 Ω terminations, differential routing, thermal conditions, and polynomial-selection logic. Publication is blocked until the registered 24-CQFP production JPG is present and verifiably accessible.
ASNT8144-KMC Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- ADSANTEC
- Series:
- -
- Package/Case:
- 24-CQFP
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Pseudorandom Binary Sequence Generator, PRBS
- Applications:
- Testing Equipment
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-CQFP
- Grade:
- -
- Qualification:
- -
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