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Analog Devices Inc./Maxim Integrated MXD1000SA050
- Part No.:
- MXD1000SA050
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Delay Lines
- Package:
- -
- Datasheet:
-
MXD1000SA050.pdf
- Description:
- MXD1000 5-TAP SILICON DELAY LINE
- Quantity:
- Payment:
- Shipping:
Inventory:2,505
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Product details
Overview
MXD1000SA050 from Maxim Integrated is a 5-tap silicon delay line in 8-pin µMAX package, delivering precisely spaced delays of 10ns, 20ns, 30ns, 40ns, and 50ns with ±2ns or ±5% tolerance (whichever greater), TTL/CMOS-compatible logic levels, and ability to drive ten 74LS loads per tap - used for clock deskewing and signal alignment in high-speed digital systems.
For engineers reviewing the MXD1000SA050 datasheet, MXD1000SA050 pinout, MXD1000SA050 application, or MXD1000SA050 equivalent, key selection criteria include tap delay accuracy at temperature extremes, supply current vs. input frequency dependency, compatibility with legacy DS1000-based layouts, and µMAX footprint constraints in space-constrained PCBs.
Technical Context
The MXD1000SA050 implements a monolithic silicon delay chain with five fixed-tap outputs derived from a single input signal, where each tap delay is a precise integer multiple (1×–5×) of the base 10ns unit. All taps exhibit unidirectional delay variation with temperature and supply voltage - if TAP1 slows, all subsequent taps slow proportionally.
It operates at VCC = +5.0V ±5%, supports input pulse widths down to 20% of TAP5 delay (i.e., ≥2ns), and maintains leading- and trailing-edge accuracy measured at 1.5V thresholds. Delay stability is guaranteed over –40°C to +85°C, with initial tolerance specified at +25°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Delays | 10ns, 20ns, 30ns, 40ns, 50ns - fixed, equally spaced intervals enabling deterministic signal timing alignment |
| Delay Accuracy | ±2ns or ±5% (whichever greater) - defines worst-case skew budget for synchronous system timing closure |
| Supply Voltage | +5.0V ±5% - compatible with standard TTL/CMOS logic rails; delay varies <4% across full VCC range |
| Supply Current | 20mA typical - enables low-power operation vs. DS1000's 35mA, reducing thermal load in dense layouts |
| Output Drive | 10 × 74LS loads per tap - sufficient fanout for direct interface to legacy TTL logic without buffers |
| Operating Temp | –40°C to +85°C - qualified for industrial-grade embedded and communications equipment |
| Input Pulse Width | ≥2ns minimum (20% of 50ns TAP5) - sets lower bound on usable clock/data edge rate |
Pinout & Package
MXD1000SA050 is housed in an 8-pin µMAX package (3mm × 3mm, 0.5mm pitch), pin-compatible with 8-pin SO and DIP variants. The µMAX variant uses exposed pad for thermal enhancement and requires controlled solder reflow profile.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN | Single-ended TTL/CMOS-compatible input; accepts 0–5V logic transitions with ≤3ns rise/fall time |
| 2 | TAP1 | First delayed output (10ns); 20% of TAP5 delay; drives up to 10 × 74LS loads |
| 3 | TAP2 | Second delayed output (20ns); 40% of TAP5 delay; same drive strength and edge accuracy as TAP1 |
| 4 | TAP3 | Third delayed output (30ns); 60% of TAP5 delay; unidirectionally tracks TAP2 delay variation |
| 5 | TAP4 | Fourth delayed output (40ns); 80% of TAP5 delay; shares same temperature/voltage drift behavior |
| 6 | TAP5 | Fifth delayed output (50ns); full-scale delay; defines minimum input pulse width requirement (≥2ns) |
| 7 | VCC | +5V power supply; requires local 0.1µF ceramic bypass capacitor to GND for stable timing |
| 8 | GND | Signal and power ground reference; must be low-impedance connection to minimize jitter |
Key Features
| Feature | Design Value |
|---|---|
| 5 fixed, equally spaced taps | Enables precise multi-phase clock generation or signal sampling without external logic or PLLs |
| ±2ns absolute delay tolerance | Reduces timing margin uncertainty in high-speed bus synchronization and data capture circuits |
| Unidirectional delay drift | Guarantees monotonic tap ordering across temperature/voltage - TAP3 never faster than TAP2 |
| 20mA active supply current | Lowers power density vs. DS1000 (35mA), easing thermal management in compact µMAX layouts |
| µMAX package compatibility | Provides 50% board area reduction vs. 8-pin SO while maintaining identical pinout and function |
Applications
| High-Speed Bus Deskewing | Digital Signal Sampling |
|---|---|
Use Scenario: Aligning arrival times of parallel data lines in DDR memory interfaces or backplane buses where trace length mismatches cause skew. IC Role / Device Role / Timing Role: MXD1000SA050 provides calibrated, fixed delays per lane to compensate for interconnect skew. Use Value: Enables reliable setup/hold timing at >100MHz without dynamic calibration or FPGA-based delay elements. |
Use Scenario: Capturing intermediate states of fast digital waveforms using multiple synchronized samplers triggered at staggered intervals. IC Role / Device Role / Timing Role: MXD1000SA050 generates five precisely timed strobes from one master clock edge. Use Value: Achieves 10ns temporal resolution across 50ns window with deterministic jitter <100ps, eliminating need for high-frequency clock synthesis. |
| Legacy DS1000 Drop-in Replacement | Industrial Clock Synchronization |
Use Scenario: Upgrading aging DS1000-based test equipment where board layout cannot be modified but improved reliability and lower power are required. IC Role / Device Role / Timing Role: MXD1000SA050 substitutes directly into DS1000 footprints with identical pinout and logic interface. Use Value: Reduces field failure rate and power consumption while preserving existing PCB design and firmware timing assumptions. |
Use Scenario: Synchronizing distributed sensors or actuators in factory automation systems where microsecond-level phase alignment is critical. IC Role / Device Role / Timing Role: MXD1000SA050 distributes time-aligned trigger signals across multiple nodes from a central clock source. Use Value: Maintains sub-5ns inter-node skew over –40°C to +85°C operating range without recalibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar silicon delay line applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1000-50 | Same 5-tap architecture and 50ns max delay, but higher 35mA ICC and wider ±5% tolerance only (no ±2ns guarantee) | Legacy hybrid construction; lower reliability and higher thermal drift than MXD1000SA050 | Choose DS1000-50 only when backward compatibility with pre-1997 designs is mandatory |
| MAX9600ESE+ | Programmable 8-tap delay with SPI interface; 1ns resolution; 2.7–5.5V supply; 16-pin SO | Requires firmware control and external configuration; not pin-compatible; suited for adaptive delay tuning | Choose MAX9600ESE+ when variable delay or real-time adjustment is needed - not for fixed-tap replacement |
Compared with DS1000-50 and MAX9600ESE+, the MXD1000SA050 delivers superior delay accuracy (±2ns), lower power (20mA), and drop-in µMAX/SO/DIP compatibility - making it optimal for cost-sensitive, space-constrained, fixed-delay applications requiring industrial temperature support.
Availability
MXD1000SA050 is available at Aetrix Electronics and suitable for high-speed bus deskewing, digital signal sampling, legacy DS1000 replacement, and industrial clock synchronization requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MXD1000SA050 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) is a fabless semiconductor company specializing in precision analog, mixed-signal, and high-reliability timing solutions for industrial, communications, and computing markets.
The MXD1000 product line was designed as a monolithic silicon replacement for hybrid delay lines - targeting improved accuracy, reduced size, and enhanced reliability in clock distribution and signal alignment applications.
FAQ
What is the exact delay value for each tap of the MXD1000SA050?
The MXD1000SA050 provides five fixed delays: TAP1 = 10ns, TAP2 = 20ns, TAP3 = 30ns, TAP4 = 40ns, and TAP5 = 50ns - all referenced to the rising or falling edge of the IN signal, measured at 1.5V thresholds under VCC = +5.0V and TA = +25°C. These values are confirmed in the "Part Number and Delay Times" table of the official Maxim datasheet.
Is the MXD1000SA050 pin-compatible with the DS1000 series?
Yes, the MXD1000SA050 is explicitly designed as an improved second source to the DS1000 and shares identical pinouts across 8-pin DIP, SO, and µMAX packages. Pin 1 is IN, pins 2–6 are TAP1–TAP5, pin 7 is VCC, and pin 8 is GND - matching DS1000-50 exactly, enabling direct PCB replacement without layout changes.
What is the maximum input frequency supported by the MXD1000SA050?
The MXD1000SA050 does not specify a maximum input frequency in Hz, but defines operational limits via pulse width and period: minimum input pulse width is 2ns (20% of TAP5 = 50ns), and minimum period is 2×tWI = 4ns - implying theoretical support up to 250MHz. However, actual usable frequency depends on load capacitance and board layout; typical applications operate below 100MHz for stable timing.
Does the MXD1000SA050 require external decoupling capacitors?
Yes, the MXD1000SA050 requires a 0.1µF ceramic bypass capacitor between VCC (pin 7) and GND (pin 8), placed as close as possible to the device. This is explicitly stated in the "Board Layout Considerations/Decoupling" section of the datasheet to suppress supply noise that would otherwise increase output jitter and degrade delay accuracy.
How does temperature affect the delay accuracy of the MXD1000SA050?
Delay variation over temperature is characterized in the "Typical Operating Characteristics" plots: for MXD1000SA050 (50ns version), total change in TAP2 delay is approximately ±1.5% from –40°C to +85°C relative to +25°C nominal. Critically, all taps drift unidirectionally - so relative spacing remains preserved, ensuring consistent phase relationships across temperature.
MXD1000SA050 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Number of Taps/Steps:
- -
- Function:
- -
- Delay to 1st Tap:
- -
- Tap Increment:
- -
- Available Total Delays:
- -
- Number of Independent Delays:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MXD1000SA050 FAQ
1.How can I place an order for MXD1000SA050 through Aetrix?
Please submit a Request for Quotation (RFQ) for MXD1000SA050 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MXD1000SA050 reliable?
The price and inventory of MXD1000SA050 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MXD1000SA050 is usually 5 days.
3.What payment methods are accepted for MXD1000SA050?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MXD1000SA050 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MXD1000SA050?
MXD1000SA050 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MXD1000SA050 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MXD1000SA050?
For technical support, including MXD1000SA050 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MXD1000SA050 requirements.
6.How does Aetrix verify that MXD1000SA050 is sourced from the original manufacturer or authorized distributors?
All MXD1000SA050 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MXD1000SA050 meets industry standards.
7.What is the process for return or replacement of MXD1000SA050?
All MXD1000SA050 units undergo pre-shipment inspection (PSI). If there is an issue with MXD1000SA050, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MXD1000SA050 part is unused and in its original packaging.
Return procedure for MXD1000SA050:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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