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Analog Devices Inc./Maxim Integrated DS1100LU-25+
- Part No.:
- DS1100LU-25+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Delay Lines
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
DS1100LU-25+.pdf
- Description:
- IC DELAY LINE 5TAP 25NS 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:103
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Product details
Overview
DS1100LU-25+ from Maxim Integrated is a 3.3V, 5-tap silicon delay line with nominal delays of 5ns (TAP1), 10ns (TAP2), 15ns (TAP3), 20ns (TAP4), and 25ns (TAP5), operating from -40°C to +85°C in an 8-pin µMAX package. It reproduces both leading and trailing edges with equal precision and drives up to 10 74LS loads per tap for digital timing alignment in high-speed logic systems.
For engineers reviewing the DS1100LU-25+ datasheet, DS1100LU-25+ pinout, DS1100LU-25+ application, or DS1100LU-25+ equivalent, key selection criteria include tap delay accuracy over temperature/voltage, TTL/CMOS compatibility, low-power CMOS operation, and µMAX footprint suitability for space-constrained PCB layouts.
Technical Context
The DS1100LU-25+ implements a monolithic all-silicon delay architecture with five fixed, equally spaced delay taps referenced to a single input signal. Each tap delivers deterministic propagation delay with ±2ns tolerance (≤40ns delays) at +25°C/3.3V, and maintains edge fidelity across full industrial temperature range.
It operates on a 3.0V–3.6V supply, draws ≤10mA active current at 1MHz, and features 5pF typical input capacitance with 2.0–2.5ns output rise/fall times. Input and output logic levels are TTL-/CMOS-compatible, enabling direct interfacing with standard logic families without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 3.0V to 3.6V - ensures stable operation in 3.3V logic domains with ±0.3V margin |
| TAP5 Delay | 25ns nominal - provides precise 25ns timing offset for signal synchronization or skew compensation |
| Delay Tolerance | ±2ns (≤40ns taps, +25°C/3.3V) - guarantees tight inter-tap consistency for phase-aligned multi-path timing |
| Output Drive | 8mA sink / -1mA source - supports direct connection to 10× 74LS loads without buffering |
| Operating Temp | -40°C to +85°C - qualified for industrial-grade embedded and communications equipment |
| Input Capacitance | 5pF typ - minimizes loading on upstream drivers and preserves signal integrity at high frequencies |
Pinout & Package
DS1100LU-25+ uses the 8-pin µMAX package (U8+1 outline, 90-0092 land pattern), measuring 3mm × 3mm with 0.65mm lead pitch and exposed pad for thermal enhancement.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN | Single-ended logic input accepting TTL/CMOS levels; triggers all five delay taps simultaneously |
| 2 | TAP 2 | Second delay output (10ns nominal); electrically isolated, fan-out capable |
| 3 | TAP 4 | Fourth delay output (20ns nominal); identical drive strength and timing spec as other taps |
| 4 | GND | Analog/digital ground reference; must be connected to low-impedance system ground plane |
| 5 | TAP 5 | Fifth delay output (25ns nominal); highest-delay tap, used for maximum skew insertion or pipeline staging |
| 6 | TAP 3 | Third delay output (15ns nominal); center tap for symmetric delay distribution |
| 7 | TAP 1 | First delay output (5ns nominal); lowest-latency tap for minimal skew correction |
| 8 | VCC | +3.3V power supply; requires local 0.1µF ceramic decoupling adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| All-silicon delay line | Eliminates hybrid/ceramic delay reliability risks and enables 100% wafer-level testability and traceability |
| Equal tap spacing | Ensures linear delay progression (5ns steps) for predictable timing interpolation and calibration |
| Leading/trailing edge accuracy | Maintains identical delay for rising and falling edges-critical for clock/data alignment and pulse-width preservation |
| µMAX packaging | Reduces PCB area by >50% vs. SO-8 while supporting vapor-phase and IR reflow soldering |
| Industrial temp range | Validated performance across -40°C to +85°C without derating-no thermal compensation circuitry needed |
Applications
| Digital Logic Skew Compensation | High-Speed Data Capture |
|---|---|
Use Scenario: Correcting arrival-time mismatches between parallel data lines in FPGA-to-ASIC interfaces or memory bus routing. IC Role / Device Role / Timing Role: DS1100LU-25+ provides calibrated, sub-nanosecond-matched delays per lane to realign setup/hold windows. Use Value: Enables reliable 100+ MHz parallel bus operation without custom PCB length tuning or external delay ICs. | Use Scenario: Aligning strobe and data signals in LVDS or TTL-based sampling systems (e.g., oscilloscope front-ends). IC Role / Device Role / Timing Role: DS1100LU-25+ inserts precise, repeatable delay on the capture clock path to optimize sampling point relative to data eye center. Use Value: Improves effective sampling margin by up to 15% compared to unadjusted strobe timing. |
| Pulse Width Restoration | Multi-Phase Clock Generation |
Use Scenario: Restoring degraded pulse widths in long-trace digital control signals subject to RC distortion. IC Role / Device Role / Timing Role: DS1100LU-25+ replicates input waveform with fixed delay and clean edges, acting as a repeater with controlled latency. Use Value: Recovers 5ns minimum pulse width at outputs even when input rise/fall times exceed 3ns. | Use Scenario: Generating four-phase non-overlapping clocks from a single master clock in motor control or power converter gate drivers. IC Role / Device Role / Timing Role: DS1100LU-25+ supplies five discrete, equally spaced delays (5–25ns) usable as phase-shifted clock taps. Use Value: Delivers deterministic 5ns phase resolution without PLL jitter or layout-sensitive LC networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar delay line applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1100LZ-25+ | Same delay values and electrical specs, but in 8-pin SO (150-mil) package instead of µMAX | Better suited for through-hole prototyping or legacy SO footprints; larger PCB area required | Select DS1100LZ-25+ when board space allows and SO-8 is preferred for assembly or thermal mass |
| ON Semiconductor MC100EP195MNR4G | 5-tap ECL delay line with 3.3V PECL interface; ±0.35ps jitter; higher speed (up to 3GHz), but requires negative supply and termination | Targeted at RF/microwave timing; incompatible with TTL/CMOS logic without level translation | Choose MC100EP195MNR4G only for ultra-low-jitter, high-frequency PECL systems where DS1100LU-25+ lacks bandwidth |
Compared with DS1100LZ-25+, the DS1100LU-25+ saves >50% PCB area with identical timing performance; versus MC100EP195MNR4G, it offers plug-and-play TTL/CMOS compatibility at lower cost and complexity, though with reduced frequency headroom.
Availability
DS1100LU-25+ is available at Aetrix Electronics and suitable for digital logic skew compensation, high-speed data capture, pulse width restoration, and multi-phase clock generation requiring stable component supply and consistent delay accuracy across industrial temperature ranges.
Supply support for DS1100LU-25+ 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) designs precision analog, mixed-signal, and timing solutions for industrial, communications, and computing applications.
The DS1100LU-25+ belongs to the DS1100L family of economy silicon delay lines, engineered to replace hybrid delay modules with fully integrated, RoHS-compliant, surface-mount alternatives for cost-sensitive, space-constrained digital timing tasks.
FAQ
What is the nominal delay of each tap on the DS1100LU-25+?
The DS1100LU-25+ provides five equally spaced nominal delays: TAP1 = 5ns, TAP2 = 10ns, TAP3 = 15ns, TAP4 = 20ns, and TAP5 = 25ns. These values are specified at +25°C and VCC = 3.3V, with tolerances tightened to ±2ns for all taps under those conditions. The DS1100LU-25+ achieves this via monolithic silicon delay elements, ensuring consistent tracking across temperature and voltage.
Does the DS1100LU-25+ support both rising and falling edge delays?
Yes, the DS1100LU-25+ is explicitly designed to reproduce both leading and trailing edges with equal precision. Its internal architecture ensures matched tPLH (rising-edge delay) and tPHL (falling-edge delay) across all five taps, preserving pulse width integrity. This capability is confirmed in the device's General Description and AC Electrical Characteristics table, making DS1100LU-25+ suitable for bidirectional timing-critical paths.
What is the recommended power supply decoupling for DS1100LU-25+?
A 0.1µF ceramic capacitor placed as close as possible to the VCC (pin 8) and GND (pin 4) pins is required for stable DS1100LU-25+ operation. The datasheet specifies that higher-frequency operation or marginal layouts may benefit from additional bulk capacitance (e.g., 4.7µF tantalum). Without proper decoupling, DS1100LU-25+ may exhibit increased delay variation or output ringing due to supply noise coupling.
Can DS1100LU-25+ drive standard TTL loads directly?
Yes, each tap of the DS1100LU-25+ can drive up to 10 standard 74LS loads, as verified in the DC Electrical Characteristics table (IOL = 8mA min, IOH = -1mA min). Its TTL-/CMOS-compatible output levels (VIH ≥ 2.0V, VIL ≤ 0.8V) and 5pF input capacitance ensure interoperability with legacy and modern logic families without external buffers-making DS1100LU-25+ ideal for retrofitting into existing 74LS-based systems.
Is DS1100LU-25+ RoHS-compliant and lead(Pb)-free?
Yes, the "+" suffix in DS1100LU-25+ denotes a lead(Pb)-free and RoHS-compliant package, per Maxim Integrated's ordering nomenclature. The µMAX package uses matte tin lead finish and meets JEDEC J-STD-020 reflow profiles for lead-free soldering (peak 260°C). Full compliance documentation, including material declarations, is available from Analog Devices' product page for DS1100LU-25+.
DS1100LU-25+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Taps/Steps:
- 5
- Function:
- Nonprogrammable
- Delay to 1st Tap:
- 5ns
- Tap Increment:
- 5 ns
- Available Total Delays:
- 25ns
- Number of Independent Delays:
- 1
- Voltage - Supply:
- 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
DS1100LU-25+ FAQ
1.How can I place an order for DS1100LU-25+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1100LU-25+ 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 DS1100LU-25+ reliable?
The price and inventory of DS1100LU-25+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1100LU-25+ is usually 5 days.
3.What payment methods are accepted for DS1100LU-25+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1100LU-25+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1100LU-25+?
DS1100LU-25+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1100LU-25+ 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 DS1100LU-25+?
For technical support, including DS1100LU-25+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1100LU-25+ requirements.
6.How does Aetrix verify that DS1100LU-25+ is sourced from the original manufacturer or authorized distributors?
All DS1100LU-25+ 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 DS1100LU-25+ meets industry standards.
7.What is the process for return or replacement of DS1100LU-25+?
All DS1100LU-25+ units undergo pre-shipment inspection (PSI). If there is an issue with DS1100LU-25+, 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 DS1100LU-25+ part is unused and in its original packaging.
Return procedure for DS1100LU-25+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DS1100LU-25+ Tags
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