Analog Devices Inc./Maxim Integrated DS1100U-100+
- Part No.:
- DS1100U-100+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Delay Lines
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
DS1100U-100+.pdf
- Description:
- IC DELAY LINE 5TAP 100NS 8UMAX
- Quantity:
- Payment:

- Shipping:

Inventory:3,617
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Product details
Overview
DS1100U-100+ from Maxim Integrated is a 5-tap silicon delay line in an 8-pin µMAX package, delivering precisely spaced delays of 20ns, 40ns, 60ns, 80ns, and 100ns at 5V operation. It reproduces both leading and trailing edges with ±4ns tolerance over -40°C to +85°C, drives up to 10 LS-TTL loads per tap, and serves in digital timing alignment, pulse shaping, and clock skew correction circuits.
For engineers reviewing the DS1100U-100+ datasheet, DS1100U-100+ pinout, DS1100U-100+ application, or DS1100U-100+ equivalent, key selection criteria include tap delay accuracy across temperature, TTL/CMOS compatibility, low-power CMOS operation, and µMAX footprint suitability for high-density PCB layouts.
Technical Context
The DS1100U-100+ implements an all-silicon delay architecture with fixed, equally spaced propagation paths-no external components or trimming required. Each of its five taps provides deterministic delay relative to the input signal, with tPLH/tPHL matching within ±4ns over full industrial temperature range and ±2ns at +25°C.
It operates exclusively at 5V (4.75V–5.25V), exhibits 5pF input capacitance, draws 30–50mA active current at 1MHz, and maintains edge fidelity by preserving rise/fall time integrity through internal matched path design-enabling precise multi-phase timing without jitter accumulation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Tap Delays | 20ns / 40ns / 60ns / 80ns / 100ns - fixed, monotonic spacing enables predictable phase-shifted sampling |
| Delay Tolerance | ±4ns (–40°C to +85°C) - ensures timing margin compliance in industrial control and test equipment |
| Supply Voltage | 4.75V to 5.25V - compatible with standard 5V logic rails without regulation overhead |
| Input Capacitance | 5pF typical - minimizes loading on preceding driver stage and preserves signal integrity |
| Output Drive | 12mA sink / –1mA source - sufficient to directly drive 10x 74LS loads without buffer amplification |
| Operating Temp | –40°C to +85°C - qualified for deployment in automotive under-hood and industrial automation environments |
Pinout & Package
DS1100U-100+ uses an 8-pin µMAX package (U8+1 outline, 3mm × 3mm body, 0.65mm pitch), optimized for space-constrained applications requiring surface-mount reliability and reflow compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | +5V power supply connection - decoupling capacitor placement critical for delay stability |
| 2 | TAP 1 | First delayed output (20ns) - used for shortest-path timing reference or early trigger generation |
| 3 | TAP 3 | Third delayed output (60ns) - central tap for mid-interval sampling or balanced delay splitting |
| 4 | TAP 5 | Fifth delayed output (100ns) - longest fixed delay; anchors total delay window for synchronization |
| 5 | IN | Digital input signal - accepts TTL/CMOS logic levels; 5pF load minimizes reflection risk |
| 6 | TAP 2 | Second delayed output (40ns) - enables fine-grained stepwise delay sequencing |
| 7 | TAP 4 | Fourth delayed output (80ns) - bridges gap between TAP 3 and TAP 5 for uniform interpolation |
| 8 | GND | Signal and power ground reference - must be low-impedance return path to maintain tap delay consistency |
Key Features
| Feature | Design Value |
|---|---|
| All-silicon construction | Eliminates hybrid ceramic delay line drift and aging effects; ensures long-term delay stability |
| Equal tap spacing | Guarantees linear delay progression across all five outputs-critical for uniform clock deskew or analog sampling |
| Leading/trailing edge accuracy | Preserves pulse width integrity-enables reliable pulse width modulation (PWM) timing and gated signal generation |
| Low-power CMOS | 30–50mA ICC at 1MHz allows use in power-sensitive instrumentation without thermal derating |
| Vapor-phase, IR, wave solderable | Supports all mainstream SMT reflow profiles-including lead-free (260°C) and SnPb (240°C)-without parameter shift |
Applications
| Digital Test Equipment | Industrial PLC Timing |
|---|---|
Use Scenario: Generating calibrated delay steps for boundary-scan test pattern alignment and signal integrity validation. IC Role / Device Role / Timing Role: Fixed-tap delay reference providing traceable, repeatable timing offsets for stimulus/response correlation. Use Value: Enables sub-5ns measurement resolution using only one DS1100U-100+ instead of multiple discrete RC networks or programmable logic. | Use Scenario: Synchronizing I/O scan cycles and interrupt response windows in modular automation controllers. IC Role / Device Role / Timing Role: Deterministic delay element for aligning sensor input capture with actuator output enable signals. Use Value: Reduces cycle-time jitter by replacing software-based delays with hardware-fixed timing, improving real-time determinism. |
| Medical Imaging Pulse Control | Automotive Radar Signal Conditioning |
Use Scenario: Shaping ultrasonic transducer firing sequences with precise inter-pulse intervals in portable ultrasound systems. IC Role / Device Role / Timing Role: Multi-output delay generator producing staggered excitation pulses for beamforming array elements. Use Value: Achieves 20ns–100ns programmable inter-pulse spacing using single DS1100U-100+, eliminating FPGA resource usage for timing logic. | Use Scenario: Calibrating time-of-flight (ToF) measurement windows in 24GHz radar front-ends for blind-spot detection. IC Role / Device Role / Timing Role: Reference delay bank for generating known-delay echo comparison gates. Use Value: Provides factory-trimmed, temperature-stable delay references-replacing custom ASIC timing blocks in cost-sensitive ADAS modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-tap delay line applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1000S-100+ | Hybrid ceramic delay line; ±10% delay tolerance over temperature vs. ±4% for DS1100U-100+ | Limited to commercial temp range (0°C to +70°C); not rated for industrial environments | Select DS1000S-100+ only if legacy hybrid form factor is required and tighter delay stability is not needed. |
| MAX5517ETE+ | 8-bit DAC-based programmable delay; requires SPI interface and external clock; ±1.5% INL limits absolute delay accuracy | Enables dynamic delay adjustment but adds MCU dependency and latency overhead | Choose MAX5517ETE+ when variable delay tuning is mandatory; DS1100U-100+ remains optimal for static, high-accuracy timing. |
Compared with DS1000S-100+ and MAX5517ETE+, the DS1100U-100+ delivers superior delay precision, wider temperature qualification, and zero configuration overhead-making it the preferred choice for deterministic, maintenance-free timing in embedded control and test systems.
Availability
DS1100U-100+ is available at Aetrix Electronics and suitable for industrial automation, medical diagnostics, and automotive radar applications requiring stable component supply, RoHS-compliant packaging, and guaranteed long-term availability.
Supply support for DS1100U-100+ 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 and mixed-signal ICs for industrial, automotive, communications, and computing markets.
The DS1100U-100+ belongs to Maxim's economy timing element family-engineered to replace hybrid delay lines with silicon-based alternatives offering higher reliability, smaller footprint, and tighter delay tolerances.
FAQ
What is the nominal delay value for each tap of the DS1100U-100+?
The DS1100U-100+ provides five equally spaced delays: TAP 1 = 20ns, TAP 2 = 40ns, TAP 3 = 60ns, TAP 4 = 80ns, and TAP 5 = 100ns. These values are specified at +25°C and 5V, with monotonic variation across temperature and voltage-ensuring consistent relative spacing. The DS1100U-100+ datasheet confirms this in Table 1 and AC Electrical Characteristics.
Is the DS1100U-100+ compatible with 3.3V logic systems?
No, the DS1100U-100+ is designed strictly for 5V operation (4.75V–5.25V). Its VIH minimum is 2.2V and VIL maximum is 0.8V, making it TTL/CMOS-compatible at 5V but not guaranteed functional with 3.3V signaling. Driving the DS1100U-100+ input from a 3.3V source may result in marginal noise margins or undefined behavior-level translation is required for interoperability.
Does the DS1100U-100+ require external passive components for operation?
No, the DS1100U-100+ is a fully self-contained silicon delay line requiring only a 0.1μF ceramic decoupling capacitor between VCC and GND. No resistors, capacitors, or inductors are needed for basic delay functionality. The DS1100U-100+ integrates all timing elements on-die, eliminating calibration or trimming components.
Can the DS1100U-100+ drive standard logic families directly?
Yes, each tap of the DS1100U-100+ can drive up to 10 LS-TTL loads (or equivalently, 20 CMOS loads) without buffering. Its IOL = 12mA and IOH = –1mA specifications meet 74LS fanout requirements. For heavier loads or longer traces, a 74AC or 74LVC buffer is recommended-but the DS1100U-100+ itself supports direct interfacing in most board-level implementations.
What is the meaning of the '+' suffix in DS1100U-100+?
The '+' suffix in DS1100U-100+ indicates a lead(Pb)-free, RoHS-compliant µMAX package (U8+1 outline). It denotes compliance with EU RoHS Directive 2011/65/EU and does not affect electrical performance or pinout. The DS1100U-100+ is qualified for lead-free reflow (260°C peak) and retains identical timing specs and reliability as non-RoHS variants.
DS1100U-100+ 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:
- 20ns
- Tap Increment:
- 20 ns
- Available Total Delays:
- 100ns
- Number of Independent Delays:
- 1
- Voltage - Supply:
- 4.75V ~ 5.25V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
DS1100U-100+ FAQ
1.How can I place an order for DS1100U-100+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1100U-100+ 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-100+ reliable?
The price and inventory of DS1100U-100+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1100U-100+ is usually 5 days.
3.What payment methods are accepted for DS1100U-100+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1100U-100+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1100U-100+?
DS1100U-100+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1100U-100+ 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-100+?
For technical support, including DS1100U-100+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1100U-100+ requirements.
6.How does Aetrix verify that DS1100U-100+ is sourced from the original manufacturer or authorized distributors?
All DS1100U-100+ 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-100+ meets industry standards.
7.What is the process for return or replacement of DS1100U-100+?
All DS1100U-100+ units undergo pre-shipment inspection (PSI). If there is an issue with DS1100U-100+, 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-100+ part is unused and in its original packaging.
Return procedure for DS1100U-100+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DS1100U-100+ Tags

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