My Inquiry
My Account
Analog Devices Inc./Maxim Integrated DS1100LU-20+T
- Part No.:
- DS1100LU-20+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Delay Lines
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
DS1100LU-20+T.pdf
- Description:
- IC DELAY LINE 5TAP 20NS 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:4,907
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DS1100LU-20+T from Maxim Integrated is a 3.3V, 5-tap silicon delay line in an 8-pin µMAX package, delivering precise fixed delays of 4ns, 8ns, 12ns, 16ns, and 20ns across taps. It reproduces both leading and trailing edges with ±2ns tolerance at +25°C/3.3V and drives up to 10 LS-TTL loads per tap. Used in high-speed timing alignment for test equipment and digital signal conditioning.
For engineers reviewing the DS1100LU-20+T datasheet, DS1100LU-20+T pinout, DS1100LU-20+T application, or DS1100LU-20+T equivalent, key selection criteria include tap delay accuracy over -40°C to +85°C, 3.3V CMOS/TTL compatibility, µMAX footprint constraints, and edge-fidelity requirements in pulse-shaping circuits.
Technical Context
The DS1100LU-20+T implements a monolithic all-silicon delay architecture with five equally spaced output taps referenced to a single input. Delay values are factory-trimmed and specified at 1.5V switching threshold with ±2ns (≤40ns delays) or ±5% (>40ns delays) tolerance over temperature and voltage.
Each tap operates with matched rise/fall times (2.0–2.5ns), low active current (10mA typical at 1MHz), and full rail-to-rail logic-level compatibility - supporting direct interface to 74LS, 74F, and modern CMOS logic without level shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 3.0V to 3.6V - ensures stable operation across industrial 3.3V rails with ±0.3V margin |
| TAP 1 Delay | 4ns nominal - enables sub-nanosecond-aligned sampling in high-speed test fixtures |
| Delay Tolerance | ±2ns at +25°C/3.3V - guarantees deterministic timing for edge-sensitive synchronization |
| Output Drive | 8mA sink / -1mA source - directly interfaces to 10× 74LS loads without buffering |
| Operating Temp | -40°C to +85°C - qualified for industrial control and automotive under-hood environments |
| Rise/Fall Time | 2.0–2.5ns - preserves signal integrity in <100MHz digital timing paths |
Pinout & Package
DS1100LU-20+T uses the 8-pin µMAX package (U8+1 outline, 3mm × 3mm body, 0.65mm pitch), optimized for high-density PCB layouts with vapor-phase and IR solder compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN | Input Signal | Accepts TTL/CMOS-compatible logic transitions; defines all tap delay references |
| 2 TAP 2 | Delay Output | Delivers input signal delayed by 8ns; electrically identical to other taps |
| 3 TAP 4 | Delay Output | Delivers input signal delayed by 16ns; supports multi-stage pipeline alignment |
| 4 GND | Ground Reference | Common return path for all I/O and supply; requires low-inductance PCB connection |
| 5 TAP 5 | Delay Output | Delivers input signal delayed by 20ns; final stage in 5-tap sequence |
| 6 TAP 3 | Delay Output | Delivers input signal delayed by 12ns; midpoint for symmetric delay distribution |
| 7 TAP 1 | Delay Output | Delivers input signal delayed by 4ns; shortest latency tap for fine-grained timing |
| 8 VCC | Power Supply | +3.3V supply pin; requires local 0.1µF ceramic decoupling per datasheet layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| All-silicon delay line | Eliminates hybrid component drift and aging; delivers stable delay over 10+ years in field use |
| Leading/trailing edge matching | Ensures symmetrical pulse width preservation - critical for clock recovery and eye-diagram testing |
| Five equally spaced taps | Enables uniform time-slicing of signals without external interpolation circuitry |
| 3.3V CMOS/TTL compatibility | Direct interface to FPGA I/O banks, microcontroller peripherals, and legacy logic families |
| Industrial temperature range | Validated operation from -40°C to +85°C - suitable for uncontrolled ambient deployments |
Applications
| Test Equipment Timing Calibration | Digital Signal Edge Alignment |
|---|---|
Use Scenario: Calibrating time-interval analyzers and oscilloscope trigger paths requiring sub-5ns delay resolution. IC Role / Device Role / Timing Role: Provides traceable, repeatable reference delays for instrument channel skew correction. Use Value: Enables NIST-traceable calibration using factory-characterized ±2ns tap tolerances at 3.3V. | Use Scenario: Aligning asynchronous data and strobe signals in high-speed memory interfaces. IC Role / Device Role / Timing Role: Introduces deterministic propagation delay to match trace-length-induced skews. Use Value: Achieves setup/hold compliance without custom PCB routing or FPGA-based delay chains. |
| Pulse Width Modulation Shaping | Digital Logic Glitch Suppression |
Use Scenario: Generating narrow, jitter-free enable pulses for power MOSFET gate drivers in SMPS designs. IC Role / Device Role / Timing Role: Delays rising/falling edges independently to shape PWM duty cycle and dead time. Use Value: Maintains precise 4ns–20ns edge separation with <0.5ns edge-to-edge variation across temperature. | Use Scenario: Removing metastability-induced glitches on reset or interrupt lines in microcontroller systems. IC Role / Device Role / Timing Role: Filters short-duration noise spikes by requiring consistent logic state across multiple tap delays. Use Value: Provides hardware-based debouncing with guaranteed 4ns minimum pulse width extension. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar delay line applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1100LZ-20+ | Same delay values and electrical specs, but in 8-pin SO (150-mil) package - larger footprint, higher thermal resistance | Better suited for prototyping or manual assembly where µMAX reflow is unavailable | Select when board space allows SO packaging and hand-soldering is preferred |
| ON Semiconductor MC100EP195DG | Differential ECL outputs, 3.3V supply, but only 2 programmable delay taps; no 4ns/8ns granularity | Targets high-speed serial link equalization, not multi-tap parallel timing alignment | Choose only for differential signaling paths requiring sub-100ps jitter performance |
Compared with DS1100LU-20+T, DS1100LZ-20+ offers identical timing functionality in a more manufacturable SO package, while MC100EP195DG serves fundamentally different high-speed differential applications - neither is pin-compatible, and substitution requires PCB layout revision and signal integrity reassessment.
Availability
DS1100LU-20+T is available at Aetrix Electronics and suitable for test instrumentation, industrial control logic, and digital signal conditioning requiring stable component supply, RoHS-compliant packaging, and long-term obsolescence management.
Supply support for DS1100LU-20+T 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, communications, and computing applications.
The DS1100LU-20+T belongs to Maxim's economy timing element family - engineered for cost-sensitive, high-volume digital timing tasks where silicon reliability and fixed-delay predictability outweigh programmability.
FAQ
What is the maximum operating frequency supported by DS1100LU-20+T?
The DS1100LU-20+T does not specify a maximum operating frequency, but its AC characteristics are tested at 1MHz input. Higher frequencies increase ICC and may reduce delay accuracy due to layout sensitivity and decoupling limitations. For reliable operation beyond 1MHz, ensure tight power rail decoupling and minimize trace inductance near the DS1100LU-20+T input and outputs.
Does DS1100LU-20+T support both rising and falling edge delays?
Yes, DS1100LU-20+T reproduces both leading and trailing edges with equal precision - tPLH and tPHL are matched within ±2ns at +25°C/3.3V. This symmetry ensures pulse width integrity across all five taps, making DS1100LU-20+T suitable for applications requiring accurate duty-cycle preservation.
Is DS1100LU-20+T pin-compatible with other DS1100L variants?
Yes, all DS1100L variants including DS1100LU-20+T share identical 8-pin µMAX pinout and electrical behavior - only the nominal delay values differ. Replacing DS1100LU-20+T with DS1100LU-50+T requires no PCB changes, though timing-critical system validation is recommended due to altered delay intervals.
What is the meaning of the "+T" suffix in DS1100LU-20+T?
The "+T" suffix in DS1100LU-20+T indicates tape-and-reel packaging - specifically, the device is supplied in a standard 330mm reel format compatible with automated SMT placement equipment. The "+" denotes lead(Pb)-free/RoHS-compliant construction, and "T" confirms tape-and-reel delivery per Maxim's ordering conventions.
Can DS1100LU-20+T drive 74ACT logic inputs directly?
Yes, DS1100LU-20+T can drive 74ACT inputs directly: its IOL = 8mA and IOH = -1mA meet or exceed 74ACT fanout requirements (typical 74ACT input load is ~10µA). However, verify total capacitive loading - DS1100LU-20+T's CIN is 5–10pF, and excessive trace capacitance may degrade rise/fall times below the 2.0–2.5ns spec.
DS1100LU-20+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Taps/Steps:
- 5
- Function:
- Nonprogrammable
- Delay to 1st Tap:
- 4ns
- Tap Increment:
- 4 ns
- Available Total Delays:
- 20ns
- 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-20+T FAQ
1.How can I place an order for DS1100LU-20+T through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1100LU-20+T 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-20+T reliable?
The price and inventory of DS1100LU-20+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1100LU-20+T is usually 5 days.
3.What payment methods are accepted for DS1100LU-20+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1100LU-20+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1100LU-20+T?
DS1100LU-20+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1100LU-20+T 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-20+T?
For technical support, including DS1100LU-20+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1100LU-20+T requirements.
6.How does Aetrix verify that DS1100LU-20+T is sourced from the original manufacturer or authorized distributors?
All DS1100LU-20+T 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-20+T meets industry standards.
7.What is the process for return or replacement of DS1100LU-20+T?
All DS1100LU-20+T units undergo pre-shipment inspection (PSI). If there is an issue with DS1100LU-20+T, 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-20+T part is unused and in its original packaging.
Return procedure for DS1100LU-20+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DS1100LU-20+T Tags
-
LTC6994CS6-1#TRMPBF
Analog Devices Inc.
-
LTC6994CDCB-1#TRMPBF
Analog Devices Inc.
-
LTC6994IS6-1#TRMPBF
Analog Devices Inc.
-
LTC6994IS6-1#TRPBF
Analog Devices Inc.
-
LTC6994IDCB-1#TRMPBF
Analog Devices Inc.
-
LTC6994IS6-2#TRMPBF
Analog Devices Inc.
-
LTC6994HS6-1#TRPBF
Analog Devices Inc.
-
LTC6994HS6-1#TRMPBF
Analog Devices Inc.
-
LTC6994HS6-2#TRMPBF
Analog Devices Inc.
-
LTC6994HDCB-2#TRMPBF
Analog Devices Inc.
-
LTC6994HDCB-1#TRMPBF
Analog Devices Inc.
-
DS1124U-25+T
Analog Devices Inc./Maxim Integrated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
