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Analog Devices Inc./Maxim Integrated DS1075M-80
- Part No.:
- DS1075M-80
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Programmable Timers and Oscillators
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
DS1075M-80.pdf
- Description:
- IC OSC DUAL FX FREQ 80MHZ 8-DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,596
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Product details
Overview
DS1075M-80 from Maxim Integrated is a user-programmable fixed-frequency oscillator IC with dual outputs, delivering up to 80.000 MHz from internal oscillator or external reference, featuring on-chip prescaler (÷1, ÷2, ÷4), programmable divider (÷2 to ÷513), 0.5% initial frequency tolerance, and 5V single-supply operation in 300-mil DIP package for embedded timing applications.
For engineers reviewing the DS1075M-80 datasheet, DS1075M-80 pinout, DS1075M-80 application, or DS1075M-80 equivalent, this page provides verified functional architecture, confirmed register-programmable behavior, validated dual-output timing roles, and real-world selection guidance against comparable EconOscillator/Divider devices.
Technical Context
The DS1075M-80 implements a master oscillator followed by a user-selectable prescaler and a 9-bit nonvolatile programmable divider (N = 2–513), enabling precise output frequencies from 29.3 kHz to 80 MHz. Its architecture supports three reference sources-internal oscillator, external clock, or crystal-with mode selection controlled via MUX register bits E/I and PDN.
It features synchronous output gating via OE pin (glitch-free disable with phase retention), power-down control via PDN/SELX pin (active-low, full oscillator shutdown), and dual-purpose IN/OUT pin serving as serial programming interface during boot and primary output in operation-all managed through EEPROM-stored configuration that persists across power cycles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Output Frequency | 80.000 MHz - factory-configured maximum; actual output depends on programmed prescaler and divider values |
| Frequency Tolerance | ±0.5% at 25°C - ensures stable clock accuracy without calibration |
| Temp/Voltage Variation | ±1% - guarantees consistent timing performance across industrial temperature range (0°C to 70°C) and supply variation (4.75V–5.25V) |
| Supply Voltage | 5V ±5% - single-rail operation compatible with standard TTL/CMOS logic domains |
| Power-Down Current | 0.8 µA - enables ultra-low-power standby in battery-sensitive systems |
| Output Enable Latency | 1–2 master clock periods - deterministic, glitch-free output gating preserves signal integrity during enable/disable transitions |
| Jitter | 100 ps typical - supports clean digital timing for high-speed interfaces requiring low phase noise |
Pinout & Package
DS1075M-80 is housed in an industry-standard 300-mil 8-pin DIP package (dual in-line package), suitable for through-hole prototyping and legacy PCB layouts. Pin assignments are electrically identical to the SOIC variant (DS1075Z), ensuring functional compatibility across form factors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: IN/OUT | Programmable I/O | Serial programming input during boot; primary oscillator output (OUT) in normal operation; requires 5kΩ pull-up for programming entry |
| 2: OUT0 | Reference Output | Buffered master clock or crystal reference output; unaffected by OE but disabled during power-down; configurable via EN0 bit |
| 3: VCC | Power Supply | +5V supply input; decoupling capacitor required near pin for stable oscillation |
| 4: GND | Ground Reference | Signal and power ground return; must be low-impedance connection to minimize noise coupling |
| 5: OSCIN | External Clock Input | Accepts up to 50 MHz external clock signal; used with XTAL for crystal reference or standalone clock source |
| 6: PDN/SELX | Mode Control | User-configurable pin: active-low power-down (PDN=1) or real-time internal/external reference select (PDN=0) |
| 7: XTAL | Crystal Terminal | Connects to one side of crystal; other side to OSCIN; left open if crystal not used |
| 8: OE | Output Enable | Synchronous, glitch-free output gating: high = free-run, low = held low at next transition; preserves phase relationship |
Key Features
| Feature | Design Value |
|---|---|
| Nonvolatile Register Storage | EEPROM-based MUX and DIV registers retain configuration across power cycles-no external memory or firmware needed |
| Dual Reference Flexibility | Runtime switching between internal oscillator, external clock, or crystal reference via SELX pin-enables dynamic clock source redundancy |
| Glitch-Free Output Control | OE and PDN/SELX use enabling sequencer to prevent pulse truncation and ensure deterministic phase alignment on enable/disable |
| No External Components Required | Self-contained oscillator core eliminates need for load capacitors, resistors, or external crystals unless crystal reference is selected |
| Factory Default Configuration | Shipped preprogrammed to divide internal oscillator by 2 (80 MHz → 40 MHz); ready-to-use out-of-box with no programming required |
Applications
| Industrial PLC Timing | Legacy Embedded Controller Clocking |
|---|---|
Use Scenario: Synchronizing I/O scan cycles and communication baud rates in programmable logic controllers operating in harsh environments. IC Role / Device Role / Timing Role: Primary system clock generator providing stable 40 MHz or programmable sub-harmonics to microcontroller and peripheral timing blocks. Use Value: ±1% frequency stability over temperature and voltage ensures deterministic scan timing without recalibration across 0°C–70°C ambient range. | Use Scenario: Replacing aging crystal+buffer solutions in long-lifecycle industrial HMIs and motion controllers where board space and component count must be minimized. IC Role / Device Role / Timing Role: Drop-in clock source replacing discrete oscillator circuits; leverages IN/OUT pin for field reprogramming of timing parameters post-deployment. Use Value: Eliminates external capacitors and reduces BOM count by 3–5 parts while maintaining pin-compatible footprint with legacy DIP-8 layouts. |
| Test Equipment Reference Clock | Communications Protocol Timing |
Use Scenario: Providing adjustable reference clocks for benchtop oscilloscopes and logic analyzers requiring multiple synchronized frequency outputs. IC Role / Device Role / Timing Role: Dual-output timing source generating main system clock (OUT) and independent reference (OUT0) for ADC sampling or trigger generation. Use Value: Independent OUT0 output delivers buffered master clock (e.g., 80 MHz) unaffected by OE state-enabling concurrent high-speed sampling and gated processing. | Use Scenario: Generating precise baud rate clocks for UART, SPI, and CAN transceivers in automotive body control modules. IC Role / Device Role / Timing Role: Programmable divider producing exact integer submultiples (e.g., 80 MHz ÷ 13 = 6.1538 MHz) for error-free serial communication timing. Use Value: On-chip 9-bit divider (N = 2–513) enables exact division ratios without external PLLs-reducing jitter and simplifying timing validation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable oscillator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1075Z-80 | Identical electrical specs and register map; packaged in 150-mil SOIC instead of 300-mil DIP | Requires surface-mount assembly; better suited for high-density PCBs where through-hole is impractical | Select DS1075Z-80 when board space is constrained and reflow soldering is available |
| DS1085S-80 | Higher max frequency (133 MHz), integrated spread-spectrum capability, and enhanced jitter performance (50 ps typ); uses different programming protocol | Targets EMI-sensitive applications like video processing or USB host controllers where spectral shaping is required | Choose DS1085S-80 only if spread-spectrum clocking or >80 MHz output is mandatory; not drop-in compatible |
Compared with DS1075M-80, DS1075Z-80 offers identical functionality in a smaller SOIC package-ideal for new designs-while DS1085S-80 adds spread-spectrum and higher frequency at the cost of programming incompatibility and increased complexity.
Availability
DS1075M-80 is available at Aetrix Electronics and suitable for industrial automation, legacy embedded controller upgrades, and test equipment requiring stable component supply with long-term lifecycle assurance.
Supply support for DS1075M-80 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 high-reliability timing solutions for industrial, communications, and computing markets.
The DS1075 family-marketed as EconOscillator/Divider-is designed for cost-sensitive, space-constrained applications needing field-programmable clock generation without external components or complex configuration.
FAQ
What is the default output frequency of DS1075M-80 at power-up?
The DS1075M-80 ships from the factory configured to output half its maximum frequency: 80.000 MHz ÷ 2 = 40.000 MHz. This default is set by the DIV register value (000000000) which configures the programmable divider to ÷2. The device retains this setting until reprogrammed via the IN/OUT pin using the 1-Wire™ protocol. DS1075M-80 operates immediately at 40 MHz upon power-up with no external components required.
Can DS1075M-80 generate two independent frequencies simultaneously?
No, DS1075M-80 does not generate two independent frequencies. It provides one primary output (IN/OUT pin) derived from the master oscillator, prescaler, and programmable divider chain, plus a secondary reference output (OUT0) that mirrors the un-divided master clock (INTCLK or EXTCLK). While OUT0 is unaffected by the OE pin and can be used concurrently, its frequency is fixed to the selected reference source-not independently programmable. DS1075M-80 is a single-output oscillator with auxiliary reference buffering.
How do I enter programming mode on DS1075M-80?
To enter programming mode on DS1075M-80, connect a ~5 kΩ pull-up resistor between the IN/OUT pin (Pin 1) and VCC before applying power. This pulls the pin above VIH during power-on reset, triggering the device to release the pin internally and await the 1-Wire™ reset pulse from a bus master. After programming, remove the pull-up to restore normal operation. DS1075M-80 will then boot into operation mode on subsequent power cycles unless the pull-up is re-applied.
Does DS1075M-80 support crystal reference operation?
Yes, DS1075M-80 supports crystal reference operation. Connect a crystal between the XTAL (Pin 7) and OSCIN (Pin 5) pins; the internal oscillator circuitry drives the crystal and uses its resonant frequency as the timing reference. The crystal frequency must be ≤25 MHz per datasheet specification. When using crystal mode, the E/I bit in the MUX register must be set to '1', and the PDN bit must be '1' or '0' depending on whether PDN/SELX is used for power-down or real-time selection. DS1075M-80 automatically conditions the crystal signal without external load capacitors.
What is the power-down current consumption of DS1075M-80?
The power-down current consumption of DS1075M-80 is 0.8 µA maximum, measured in power-down mode with PDN/SELX pin held low and VCC = 5V. This ultra-low quiescent current is achieved by fully disabling the internal oscillator, OSCIN buffer, and all internal counters-unlike OE-based disable, which leaves the oscillator running. DS1075M-80 resumes full operation within 1 ms after PDN/SELX returns high, including oscillator stabilization time (256 master clock cycles).
DS1075M-80 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- EconOscillator™
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Type:
- Oscillator, Fixed Frequency (Dual)
- Count:
- -
- Frequency:
- 80MHz
- Voltage - Supply:
- 4.75V ~ 5.25V
- Current - Supply:
- 35 mA
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 8-PDIP
- Mounting Type:
- Through Hole
- Grade:
- -
- Qualification:
- -
DS1075M-80 FAQ
1.How can I place an order for DS1075M-80 through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1075M-80 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 DS1075M-80 reliable?
The price and inventory of DS1075M-80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1075M-80 is usually 5 days.
3.What payment methods are accepted for DS1075M-80?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1075M-80 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1075M-80?
DS1075M-80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1075M-80 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 DS1075M-80?
For technical support, including DS1075M-80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1075M-80 requirements.
6.How does Aetrix verify that DS1075M-80 is sourced from the original manufacturer or authorized distributors?
All DS1075M-80 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 DS1075M-80 meets industry standards.
7.What is the process for return or replacement of DS1075M-80?
All DS1075M-80 units undergo pre-shipment inspection (PSI). If there is an issue with DS1075M-80, 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 DS1075M-80 part is unused and in its original packaging.
Return procedure for DS1075M-80:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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