Analog Devices Inc./Maxim Integrated DS1073M-60

Overview

DS1073M-60 from Maxim Integrated is a user-programmable 3V fixed-frequency oscillator IC with dual outputs (I/O and OUT0), factory-configured for 60MHz output, 2.7–3.6V supply, ±0.5% initial frequency accuracy, and on-chip non-volatile divider (N = 2 to 513) and prescaler (÷1, ÷2, ÷4). It serves as a programmable clock source in embedded timing control systems requiring stable, reconfigurable reference clocks without external components.

For engineers reviewing the DS1073M-60 datasheet, DS1073M-60 pinout, DS1073M-60 application, or DS1073M-60 equivalent, key selection considerations include its dual-output synchronous gating, power-down mode (<0.8µA standby), internal/external/crystal reference selectability, and EEPROM-based field programming via 1-Wire interface - all critical for low-power, reprogrammable clocking in industrial and commercial designs.

Technical Context

The DS1073M-60 implements a master oscillator followed by a user-selectable prescaler (÷1, ÷2, ÷4) and a 9-bit programmable divider (N = 2–513), enabling output frequencies from 29.3kHz to 60MHz. Its architecture supports three reference sources - internal oscillator, external clock (≤50MHz), or fundamental-mode crystal (≤25MHz) - selected via EEPROM-configurable E/I and PDN bits.

It features two independent outputs: I/O (main programmable output with synchronous OE gating) and OUT0 (reference output unaffected by OE but disabled during power-down). The device uses an enabling sequencer to ensure glitch-free transitions during OE assertion, SELX switching, and PDN-controlled power-up/power-down, guaranteeing deterministic phase alignment and pulse integrity.

Key Specifications

Pinout & Package

DS1073M-60 is housed in a 300-mil 8-pin DIP package (through-hole mounting), optimized for prototyping and legacy board designs. Pin functions are electrically validated per Maxim's DS1073 datasheet Rev. 090503.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar programmable oscillator applications.

Compared with DS1073M-60, DS1077LU-60+ offers superior signal integrity but sacrifices configurability and reference options, while Si5351A-B-GM delivers broader synthesis capability at the cost of increased system dependencies and design overhead - making DS1073M-60 optimal for cost-sensitive, low-complexity, field-reprogrammable clock generation.

Availability

DS1073M-60 is available at Aetrix Electronics and suitable for industrial automation, portable medical instrumentation, test equipment development, and legacy control system retrofits requiring stable component supply with long-term manufacturability assurance.

Supply support for DS1073M-60 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) is a semiconductor company specializing in precision analog, mixed-signal, and power management ICs for industrial, communications, and computing applications.

The DS1073 product line delivers programmable, low-cost, self-contained clock solutions targeting applications needing flexible, reconfigurable timing without external components - emphasizing ease of use, field adaptability, and robustness in commercial and industrial environments.

FAQ

What is the factory default configuration of the DS1073M-60?

The DS1073M-60 ships with DIV = 0x000 (N = 2), MUX = 0x0134, EN0 = 1 (OUT0 disabled), PDN = 1 (power-down enabled), MSEL = 1 (prescaler bypassed), and E/I = 0 (internal oscillator selected), yielding a default 60MHz output. This configuration is stored in on-chip EEPROM and restored automatically on power-up.

Can the DS1073M-60 operate with a crystal reference, and what are the constraints?

Yes, the DS1073M-60 supports crystal reference via OSCIN and XTAL pins. Crystals must operate in fundamental mode and be rated ≤25MHz. The crystal connects between XTAL and OSCIN; OSCIN must not be driven externally in this mode. No load capacitors are required - internal circuitry provides necessary biasing.

How does the synchronous output enable (OE) function prevent pulse truncation on the DS1073M-60?

The DS1073M-60 uses an enabling sequencer that samples OE with the prescaler output (MCLK) and gates it with the divider output. When OE goes low, OUT is held low either immediately (if already low) or at the next high-to-low transition (if high), ensuring full pulse width preservation and eliminating truncated edges - critical for deterministic timing in control loops.

What is the minimum output frequency achievable with the DS1073M-60, and how is it set?

The DS1073M-60 guarantees a minimum output frequency of 29.3kHz. This is achieved by selecting the highest valid divider value (N = 513) and appropriate prescaler setting (e.g., ÷4) with the internal oscillator. The exact frequency depends on the reference source and programmed M/N values - verified per the "Calculated Parameters" section of the datasheet.

Is the DS1073M-60 pin-compatible with other DS1073 variants like DS1073M-80 or DS1073M-100?

Yes, all DS1073M-xxx variants share identical 300-mil DIP pinout, electrical characteristics, and register architecture. Only the factory-programmed default frequency differs (60MHz vs. 80MHz vs. 100MHz). Field reprogramming allows any variant to generate the same output frequencies - making them functionally interchangeable in layout and firmware.