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Analog Devices Inc./Maxim Integrated DS1100U-150+
- Part No.:
- DS1100U-150+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Delay Lines
- Package:
- -
- Datasheet:
-
DS1100U-150+.pdf
- Description:
- IC DELAY LINE 5TAP 150NS 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:2,834
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Product details
Overview
DS1100U-150+ from Maxim Integrated is a 5-tap silicon delay line in an 8-pin µMAX package, delivering precisely spaced delays of 30ns, 60ns, 90ns, 120ns, and 150ns at 5V operation, with ±4ns tolerance over -40°C to +85°C, used for digital timing alignment in high-speed logic interfaces and clock deskewing.
For engineers reviewing the DS1100U-150+ datasheet, DS1100U-150+ pinout, DS1100U-150+ application, or DS1100U-150+ equivalent, key selection considerations include tap delay accuracy across temperature, TTL/CMOS compatibility, 74LS load drive capability per tap, and lead-free µMAX packaging for space-constrained PCBs.
Technical Context
The DS1100U-150+ implements a monolithic all-silicon delay architecture with fixed, equally spaced propagation paths-no external components or trimming required. Each of its five taps reproduces both leading and trailing edges with matched precision, enabling edge-aligned signal distribution in synchronous logic systems.
It operates exclusively at 5V (4.75V–5.25V), draws ≤50mA active current, and supports full industrial temperature range operation (-40°C to +85°C) with stable delay performance specified in % (for >40ns delays) and absolute ns (for ≤40ns delays), per Table 1 of the datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Tap Delays | 30ns / 60ns / 90ns / 120ns / 150ns - fixed, equally spaced delays referenced to input edge at 1.5V level |
| Delay Tolerance | ±4ns over -40°C to +85°C - ensures predictable timing margin in industrial environments |
| Supply Voltage | 4.75V to 5.25V - compatible with standard 5V logic rails and decoupling schemes |
| Output Drive | Up to 10 × 74LS loads per tap - sufficient for fanout into legacy TTL logic without buffering |
| Input Capacitance | 5pF to 10pF - low loading preserves signal integrity on high-speed source lines |
| Power-Up Time | 200μs - defines minimum reset-to-operational latency after VCC stabilization |
Pinout & Package
DS1100U-150+ uses an 8-pin µMAX package (outline U8+1, land pattern 90-0092), measuring 3mm × 3mm × 0.8mm, with exposed pad for thermal enhancement and RoHS-compliant lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | +5V power supply input - requires local 0.1μF ceramic decoupling adjacent to pin |
| 2 | TAP 1 | First delayed output - delivers 30ns delay from input rising/falling edge |
| 3 | TAP 3 | Third delayed output - delivers 90ns delay; unbuffered CMOS/TTL-compatible signal |
| 4 | TAP 5 | Fifth delayed output - delivers 150ns delay; electrically identical to other taps |
| 5 | IN | Digital input - accepts 5V logic levels; 5–10pF capacitance affects source rise/fall time |
| 6 | TAP 2 | Second delayed output - delivers 60ns delay; matches TAP 1–TAP 5 edge fidelity |
| 7 | TAP 4 | Fourth delayed output - delivers 120ns delay; no internal inversion or buffering |
| 8 | GND | Ground reference - must be connected to low-impedance system ground plane |
Key Features
| Feature | Design Value |
|---|---|
| All-silicon delay path | Eliminates hybrid component drift and aging effects; enables 100% wafer-level test and traceability |
| Leading- and trailing-edge matching | Ensures symmetrical pulse width preservation across all taps - critical for clock/data alignment |
| 5V TTL/CMOS compatibility | Direct interface with 74LS, 74F, and modern 5V CMOS without level-shifting circuitry |
| Vapor-phase, IR, and wave solderable | Supports all standard SMT reflow profiles including Pb-free (260°C peak) and SnPb (240°C peak) |
| Industrial temperature range support | Guaranteed timing performance from -40°C to +85°C - validated across full voltage and temp corners |
Applications
| Logic Timing Calibration | Serial Data Deskew |
|---|---|
Use Scenario: Aligning setup/hold windows between multiple data lanes in parallel bus interfaces (e.g., address/data strobes). IC Role / Device Role / Timing Role: DS1100U-150+ provides deterministic, tap-selectable delays to compensate for PCB trace length mismatches. Use Value: Enables reliable 5V parallel bus operation up to 20MHz without custom FPGA delay blocks or discrete RC networks. | Use Scenario: Equalizing arrival times of serialized bits across differential pairs in legacy LVDS or RS-422 links. IC Role / Device Role / Timing Role: DS1100U-150+ applies calibrated delay to individual bit streams before latching at receiver. Use Value: Reduces inter-symbol interference by correcting skew up to 150ns with ±4ns repeatability. |
| Test Equipment Signal Gating | Glitch Suppression in Control Logic |
Use Scenario: Generating precise enable windows for DUT stimulus in ATE systems using programmable logic controllers. IC Role / Device Role / Timing Role: DS1100U-150+ acts as a fixed-delay trigger extender, converting short pulses into stable gate signals. Use Value: Replaces dual-monostable multivibrators with single-chip solution, reducing layout area and jitter accumulation. | Use Scenario: Removing narrow spurious pulses caused by switch bounce or metastability in safety-critical I/O monitoring circuits. IC Role / Device Role / Timing Role: DS1100U-150+ implements hardware-based pulse-width filtering via TAP 1 (30ns) and NAND logic. Use Value: Guarantees minimum 30ns pulse width at output - eliminates false triggers without software debouncing latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar delay line applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1000S-150+ | Hybrid construction; ±10ns delay tolerance over -40°C to +85°C; higher power consumption (75mA typical) | Limited to commercial temp range in most variants; less stable long-term drift | Select only if legacy hybrid form factor required; DS1100U-150+ offers superior stability and lower ICC |
| MAX9600EUA+ | Programmable 8-tap delay IC; SPI-configurable delays (1–255ns steps); 3.3V only; 10-pin μMAX | Requires microcontroller interface; not drop-in; supports dynamic adjustment | Choose when variable delay or fine-grained tuning is needed; DS1100U-150+ preferred for fixed, low-cost, zero-overhead timing |
Compared with DS1000S-150+, DS1100U-150+ improves delay stability by 2.5× and reduces power by 40%; versus MAX9600EUA+, it eliminates firmware dependency and supports 5V systems directly but lacks programmability.
Availability
DS1100U-150+ is available at Aetrix Electronics and suitable for industrial control panels, test instrumentation, and legacy 5V logic upgrades requiring stable component supply and long-term obsolescence management.
Supply support for DS1100U-150+ 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 ICs for industrial, communications, and computing applications.
The DS1100 series belongs to Maxim's economy timing element product line, engineered specifically for cost-sensitive, high-reliability fixed-delay applications where hybrid delay lines were previously used.
FAQ
What is the maximum operating frequency supported by DS1100U-150+?
The DS1100U-150+ does not specify a maximum operating frequency, but AC characteristics assume input periods ≥1μs (i.e., ≤1MHz). At higher frequencies, delay accuracy degrades due to layout sensitivity and reduced measurement margin; the device remains functional but timing tolerance may exceed ±4ns. For reliable operation, keep input pulse repetition below 1MHz and ensure proper 50Ω source termination and 1.5V threshold referencing as defined in the test conditions.
Does DS1100U-150+ support 3.3V logic inputs?
No, DS1100U-150+ is strictly a 5V-only device. Its input thresholds (VIH = 2.2V min, VIL = 0.8V max) and internal design require VCC = 4.75V–5.25V. Applying 3.3V logic directly risks undefined switching behavior and violates the Absolute Maximum Ratings. Interface to 3.3V systems requires level translation - e.g., SN74LVC1T45 - before connecting to the IN pin of DS1100U-150+.
Can DS1100U-150+ drive modern CMOS loads like 74LVC or 74AUC?
Yes, DS1100U-150+ can drive 74LVC and 74AUC inputs, but only within its specified output current limits: IOH = -1mA (high-level) and IOL = 12mA (low-level). These values comfortably exceed the input leakage and switching currents of LVC/AUC families. However, avoid driving more than 5 such loads per tap to maintain timing accuracy and voltage margins - the datasheet specifies "up to 10 × 74LS" as worst-case reference, and LVC loads draw significantly less.
Is the DS1100U-150+ pinout identical to DS1100Z-150+?
Yes, DS1100U-150+ and DS1100Z-150+ share identical pin functions and numbering: Pin 1 = VCC, Pin 2 = TAP 1, ..., Pin 8 = GND. However, they differ physically - DS1100U-150+ uses 3mm × 3mm µMAX (U8+1), while DS1100Z-150+ uses 150-mil SO (S8+4). PCB footprints and thermal pads are not interchangeable; layout redesign is required for package substitution.
How is delay tolerance calculated for DS1100U-150+ at 150ns nominal?
Since 150ns > 40ns, DS1100U-150+ delay tolerance is specified in percent: ±13% over -40°C to +85°C. This equals ±19.5ns absolute deviation (13% of 150ns), consistent with the "-40°C to +85°C" row in the AC Electrical Characteristics table. The ±4ns spec applies only to taps ≤40ns (e.g., TAP 1 of DS1100U-150+ is 30ns, so its tolerance is ±4ns), not the nominal part number delay.
DS1100U-150+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- *
- Package/Case:
- -
- Packaging:
- Product Status:
- Obsolete
- 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:
- -
DS1100U-150+ FAQ
1.How can I place an order for DS1100U-150+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1100U-150+ 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 DS1100U-150+ reliable?
The price and inventory of DS1100U-150+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1100U-150+ is usually 5 days.
3.What payment methods are accepted for DS1100U-150+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1100U-150+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1100U-150+?
DS1100U-150+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1100U-150+ 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 DS1100U-150+?
For technical support, including DS1100U-150+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1100U-150+ requirements.
6.How does Aetrix verify that DS1100U-150+ is sourced from the original manufacturer or authorized distributors?
All DS1100U-150+ 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 DS1100U-150+ meets industry standards.
7.What is the process for return or replacement of DS1100U-150+?
All DS1100U-150+ units undergo pre-shipment inspection (PSI). If there is an issue with DS1100U-150+, 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 DS1100U-150+ part is unused and in its original packaging.
Return procedure for DS1100U-150+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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