Analog Devices Inc./Maxim Integrated DS1100Z-30+T

Overview

DS1100Z-30+T from Maxim Integrated is a 5-tap silicon delay line IC delivering precise, fixed delays of 6ns (TAP1), 12ns (TAP2), 18ns (TAP3), 24ns (TAP4), and 30ns (TAP5) with ±4ns tolerance over –40°C to +85°C, 5V operation, and TTL/CMOS-compatible outputs driving up to 10 × 74LS loads - used in digital timing alignment, clock skew correction, and pulse-width adjustment circuits.

For engineers reviewing the DS1100Z-30+T datasheet, DS1100Z-30+T pinout, DS1100Z-30+T application, or DS1100Z-30+T equivalent, key selection considerations include tap delay accuracy across temperature, leading/trailing edge matching, SO-8 package compatibility, and industrial-grade supply voltage stability (4.75V–5.25V).

Technical Context

The DS1100Z-30+T implements an all-silicon delay architecture with five equally spaced, monotonic output taps - all delays scale uniformly with temperature and supply voltage changes, ensuring consistent inter-tap spacing. Each tap reproduces both rising and falling edges with matched propagation delay (tPLH/tPHL), verified at 1.5V switching threshold under 5V ±5% supply.

It operates as a passive timing element without internal logic or feedback; delay values are factory-trimmed and specified per Table 1 of the datasheet. Input pulse width must exceed 20% of TAP5 delay (≥6ns) for reliable operation, and power-up time is ≤200μs.

Key Specifications

Pinout & Package

DS1100Z-30+T is housed in an 8-pin SO (Small Outline) package, 150-mil body width, RoHS-compliant (lead-free), with standard JEDEC MS-012AC outline and thermal pad not required.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DS1100Z-25+T and DS1100Z-50+T, the DS1100Z-30+T provides optimal balance between fine-grained delay resolution (6ns step) and usable maximum delay (30ns), making it ideal for general-purpose digital timing alignment where both precision and range matter.

Availability

DS1100Z-30+T is available at Aetrix Electronics and suitable for digital timing alignment, clock skew correction, pulse width adjustment, and logic signal re-timing requiring stable component supply across industrial temperature ranges.

Supply support for DS1100Z-30+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, mixed-signal, and timing solutions for industrial, communications, and computing applications.

The DS1100 series belongs to Maxim's economy timing element product line, engineered as silicon-based replacements for hybrid delay lines - prioritizing reliability, solderability, and fixed-delay accuracy in cost-sensitive digital systems.

FAQ

What is the nominal delay value for each tap of the DS1100Z-30+T?

The DS1100Z-30+T provides five fixed delays: TAP1 = 6ns, TAP2 = 12ns, TAP3 = 18ns, TAP4 = 24ns, and TAP5 = 30ns - all referenced to the 1.5V switching threshold on input and output edges. These values are factory-trimmed and specified in Table 1 of the DS1100 datasheet, with tolerance of ±4ns over the full –40°C to +85°C operating range. The DS1100Z-30+T achieves this through all-silicon delay line architecture, eliminating variability associated with hybrid components.

Does the DS1100Z-30+T support both rising and falling edge delays with equal precision?

Yes, the DS1100Z-30+T guarantees matched propagation delay for both logic transitions: tPLH (input rising to output rising) and tPHL (input falling to output falling) are identical within specification limits. This edge-matching capability is explicitly confirmed in the General Description and AC Electrical Characteristics sections of the datasheet, ensuring duty cycle preservation in clock re-timing and pulse-shaping applications. The DS1100Z-30+T achieves this via symmetric internal circuit design and is tested at the 1.5V threshold for both edges.

What is the recommended power supply decoupling for the DS1100Z-30+T?

A 0.1μF ceramic capacitor placed as close as possible between Pin 1 (VCC) and Pin 8 (GND) is required for stable DS1100Z-30+T operation. This decoupling minimizes supply noise-induced jitter and ensures accurate delay performance, especially under fast-switching conditions. The datasheet specifies active current (ICC) up to 50mA at 1MHz, confirming the need for low-inductance local bypassing. No additional bulk capacitance is mandated, but system-level power integrity practices should still apply for the host board.

Can the DS1100Z-30+T drive standard TTL loads directly?

Yes, the DS1100Z-30+T can drive up to 10 × 74LS loads per tap, as stated in the General Description. Its output drive strength is specified as IOL = 12mA (low-level) and IOH = –1mA (high-level) under VCC = 4.75V, meeting 74LS input current requirements. The DS1100Z-30+T uses TTL/CMOS-compatible output stages, eliminating the need for external buffers in most legacy logic interfacing scenarios - verified across the full industrial temperature range.

Is the DS1100Z-30+T RoHS-compliant and compatible with lead-free reflow processes?

Yes, the "+T" suffix in DS1100Z-30+T denotes a lead(Pb)-free, RoHS-compliant SO-8 package qualified for lead-free reflow soldering at peak temperatures up to +260°C, as documented in the Absolute Maximum Ratings table. The device supports vapor-phase, infrared, and wave soldering per Maxim's packaging guidelines. This makes the DS1100Z-30+T suitable for modern manufacturing lines requiring full RoHS adherence without derating or process modification.