Analog Devices Inc./Maxim Integrated DS1100LU-150

Overview

DS1100LU-150 from Maxim Integrated is a 3.3V, 8-pin µMAX-packaged silicon delay line with five equally spaced taps delivering nominal delays of 30ns, 60ns, 90ns, 120ns, and 150ns. 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 operates from 3.0V to 3.6V. It is used in high-speed timing alignment, clock skew correction, and pulse-width adjustment circuits.

For engineers reviewing the DS1100LU-150 datasheet, DS1100LU-150 pinout, DS1100LU-150 application, or DS1100LU-150 equivalent, key selection factors include tap delay accuracy across temperature, 3.3V CMOS/TTL compatibility, µMAX footprint constraints, and edge-fidelity requirements for synchronous signal conditioning.

Technical Context

The DS1100LU-150 implements an all-silicon delay architecture with fixed, monotonic tap spacing-delay values scale linearly (1×, 2×, 3×, 4×, 5×) relative to the suffix value. All five outputs maintain matched propagation characteristics, with unidirectional drift under voltage/temperature variation ensuring consistent inter-tap spacing.

It uses low-power CMOS circuitry with TTL-/CMOS-compatible input thresholds (VIH ≥ 2.0V, VIL ≤ 0.8V), 5–10pF input capacitance, and sub-2.5ns output rise/fall times. Power-up time is 200μs, and active supply current is 10mA at 1MHz with outputs open.

Key Specifications

Pinout & Package

DS1100LU-150 is housed in an 8-pin µMAX package (outline no. 21-0036), measuring 3.0mm × 3.0mm × 0.8mm with exposed thermal pad. The package is vapor-phase and IR solderable, rated for +260°C reflow (lead-free).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar delay line applications.

Compared with DS1100LU-150, DS1100LZ-150 offers identical timing performance in a legacy SO package, while MC100EP195MNR4G delivers superior jitter and bandwidth at the cost of interface complexity and power. DS1100LU-150 remains optimal for cost-sensitive, space-constrained 3.3V digital systems requiring plug-and-play delay taps.

Availability

DS1100LU-150 is available at Aetrix Electronics and suitable for high-speed logic timing, test equipment signal conditioning, and industrial control synchronization requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for DS1100LU-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 solutions for industrial, communications, and computing applications.

The DS1100L series was developed as an economy-grade, silicon-based replacement for hybrid delay lines-targeting cost-sensitive, high-volume digital systems needing reliable, fixed-tap timing without custom design effort.

FAQ

What is the operating temperature range for DS1100LU-150?

The DS1100LU-150 is specified to operate from –40°C to +85°C. This industrial temperature range is guaranteed across all electrical parameters including delay tolerance, supply current, and output drive strength. The device undergoes full characterization at temperature extremes, and delay variation remains monotonic and bounded per datasheet Table 1 and AC Electrical Characteristics section.

Does DS1100LU-150 require external passive components for basic operation?

No, DS1100LU-150 operates stand-alone with only a 0.1μF ceramic bypass capacitor between VCC and GND, placed as close as possible to pins 8 and 4. No pull-ups, termination resistors, or timing capacitors are needed. Input and outputs are directly compatible with standard 3.3V logic families, and the internal all-silicon delay core eliminates reliance on external RC networks or crystal loading.

How does DS1100LU-150 ensure matching between leading and trailing edge delays?

DS1100LU-150 achieves matched leading- and trailing-edge delays through symmetric CMOS buffer design and process-matched transistor pairs in its all-silicon delay path. Datasheet Section "GENERAL DESCRIPTION" explicitly states it is "designed to reproduce both leading and trailing edges with equal precision", and AC specifications list identical tPLH/tPHL tolerances. This symmetry is verified across voltage (3.0V–3.6V) and temperature (–40°C to +85°C) ranges.

Can DS1100LU-150 drive 74ACT logic loads directly?

Yes, DS1100LU-150 can drive 74ACT inputs directly. Its IOL = 8mA and IOH = –1mA exceed the 74ACT input current requirements (IIH ≤ 20μA, IIL ≤ –20μA). The output voltage levels (VOH ≥ 2.3V at VCC = 3.0V, VOL ≤ 0.5V) also satisfy 74ACT VIH/VIL thresholds. No series termination or level-shifting is required for interfacing with 74ACT, 74HC, or 74LS families.

Is the µMAX package of DS1100LU-150 compatible with standard reflow profiles?

Yes, the DS1100LU-150 µMAX package is qualified for lead-free reflow with a peak temperature of +260°C (per JEDEC J-STD-020). It supports both vapor-phase and infrared reflow. The package outline (U8+1) and land pattern (90-0092) are documented by Maxim Integrated, and the device has been validated for standard 3-sigma thermal profiles without delamination or solder joint failure.