Analog Devices Inc./Maxim Integrated DS1100Z-125/T&R

Overview

DS1100Z-125/T&R from Maxim Integrated is a 5-tap silicon delay line IC with nominal tap delays of 25ns, 50ns, 75ns, 100ns, and 125ns; operates at 5V ±5%, supports -40°C to +85°C industrial temperature range, and drives up to 10 × 74LS loads per tap in an 8-pin SO package. It reproduces both leading and trailing edges with equal precision for timing alignment in digital signal path synchronization.

For engineers reviewing the DS1100Z-125/T&R datasheet, DS1100Z-125/T&R pinout, DS1100Z-125/T&R application, or DS1100Z-125/T&R equivalent, key selection criteria include tap delay accuracy (±4ns over full temperature range for ≤40ns delays), TTL/CMOS compatibility, low-power CMOS operation, and SO-8 surface-mount packaging for space-constrained PCB layouts.

Technical Context

The DS1100Z-125/T&R implements an all-silicon delay architecture with five fixed, equally spaced delay taps derived from a monolithic CMOS timing circuit - no external components or trimming required. Each tap delivers deterministic propagation delay referenced to the 1.5V logic threshold point on input and output edges.

Delay stability is maintained across voltage (4.75V–5.25V) and temperature (-40°C to +85°C), with unidirectional drift behavior: all taps shift in the same direction under varying conditions. Input pulse width must be ≥20% of Tap 5 delay (≥25ns), and power-up time is 200μs.

Key Specifications

Pinout & Package

DS1100Z-125/T&R is housed in an 8-pin SOIC (150 mils) package, compliant with JEDEC MS-012, with lead(Pb)-free RoHS option indicated by "+" suffix (not present in this variant). Tape-and-reel packaging supports automated SMT assembly.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DS1000Z-125 and MAX9600EUA+, the DS1100Z-125/T&R delivers superior long-term stability and smaller PCB footprint via monolithic silicon construction, while avoiding software dependency - ideal for static, high-reliability delay requirements in industrial control and test systems.

Availability

DS1100Z-125/T&R is available at Aetrix Electronics and suitable for high-speed data capture, logic glitch filtering, phase alignment in clock distribution, and digital signal path calibration requiring stable component supply across industrial temperature ranges.

Supply support for DS1100Z-125/T&R 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 to replace hybrid delay lines with cost-effective, high-reliability silicon alternatives for fixed-interval digital timing functions.

FAQ

What is the nominal delay of each tap in the DS1100Z-125/T&R?

The DS1100Z-125/T&R provides five equally spaced nominal delays: Tap 1 = 25ns, Tap 2 = 50ns, Tap 3 = 75ns, Tap 4 = 100ns, and Tap 5 = 125ns - all measured at the 1.5V logic threshold under 5V supply and +25°C. These values are specified in Table 1 of the official DS1100 datasheet and remain stable across the full -40°C to +85°C operating range.

Is the DS1100Z-125/T&R compatible with TTL and CMOS logic families?

Yes, the DS1100Z-125/T&R is fully TTL/CMOS-compatible: its input voltage thresholds (VIH ≥ 2.2V, VIL ≤ 0.8V) and output drive capability (12mA sink, -1mA source) meet standard 74LS load requirements. Each tap can directly drive up to 10 × 74LS inputs without level-shifting or buffering, making DS1100Z-125/T&R suitable for mixed-logic-system interfacing.

Does the DS1100Z-125/T&R require external components for operation?

No, the DS1100Z-125/T&R operates as a self-contained delay element with no external resistors, capacitors, or trimmers required. A single 0.1μF ceramic decoupling capacitor placed near the VCC pin is recommended for optimal delay stability, but no timing-setting components are needed - the delays are factory-trimmed and monolithically integrated within the silicon die of DS1100Z-125/T&R.

What is the maximum input frequency supported by the DS1100Z-125/T&R?

The DS1100Z-125/T&R does not specify a hard maximum frequency, but AC characterization assumes 1MHz operation (with ICC = 30–50mA). For reliable delay accuracy, input period should be ≥2× the Tap 5 delay (i.e., ≥250ns, or ≤4MHz). At higher frequencies, delay accuracy degrades due to layout sensitivity and reduced measurement margin - verified in DS1100Z-125/T&R test conditions using 1μs period (1MHz).

How does temperature affect delay variation in the DS1100Z-125/T&R?

Over -40°C to +85°C, DS1100Z-125/T&R exhibits ±4ns delay tolerance for taps ≤40ns (e.g., Tap 1 at 25ns), and ±13% for taps >40ns (e.g., Tap 5 at 125ns = ±16.25ns). Critically, all taps shift unidirectionally - if Tap 1 slows, all others slow proportionally - enabling predictable system-level timing margining without per-tap recalibration in DS1100Z-125/T&R applications.