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Analog Devices Inc./Maxim Integrated DS1033Z-25
- Part No.:
- DS1033Z-25
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Delay Lines
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DS1033Z-25.pdf
- Description:
- IC DELAY LINE 25NS 8-SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,433
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Product details
Overview
DS1033Z-25 from Maxim Integrated (formerly Dallas Semiconductor) is a low-voltage, all-silicon 3-channel delay line IC operating at 3.3 V with ±2.0 ns initial delay tolerance, ±2.0 ns temperature/voltage tolerance (0°C to 70°C, VCC = 3.3 V), and matched 25 ns nominal delay per output (tPLH/tPHL). It is used in high-speed digital timing alignment for clock skew correction and signal synchronization in FPGA-based communication interfaces.
For engineers reviewing the DS1033Z-25 datasheet, DS1033Z-25 pinout, DS1033Z-25 application, or DS1033Z-25 equivalent, key selection considerations include its triple independent buffered delay architecture, leading/trailing edge precision, SOIC-8 (150-mil) package compatibility, and guaranteed delay stability across voltage (2.7–3.6 V) and temperature (0–70°C).
Technical Context
The DS1033Z-25 implements three identical, logic-buffered delay paths with fully independent inputs and outputs. Each path delivers precisely matched 25 ns propagation delay (tPLH and tPHL) under nominal conditions (25°C, 3.3 V), preserving input pulse symmetry via tight edge-to-edge accuracy.
It operates within a 2.7–3.6 V supply range and draws ≤25 mA active current. Its design eliminates quartz-based drift and aging effects, offering silicon-level reliability with no external components required for basic delay functionality.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Delay | 25 ns per output (tPLH/tPHL), enabling precise inter-channel timing alignment |
| Initial Tolerance | ±2.0 ns at +25°C, 3.3 V - sets baseline accuracy before environmental variation |
| T/V Tolerance | ±2.0 ns over 0–70°C and 2.7–3.6 V - ensures stable delay in industrial power/thermal conditions |
| Supply Voltage | 2.7 V to 3.6 V - compatible with modern 3.3 V logic families and LDO-regulated systems |
| Output Drive | 8 mA sink / –1 mA source at 2.7 V - sufficient to drive one 74F04-equivalent load per output |
| Input Capacitance | 10 pF max - minimizes loading on upstream drivers and preserves signal integrity |
Pinout & Package
DS1033Z-25 is supplied in an 8-pin SOIC (150-mil) package with standard JEDEC outline MS-012AA. Pin 1 is marked by a beveled corner or dot; substrate pins are internally connected and must remain unconnected externally.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN1) | Input 1 | Independent TTL/CMOS-compatible input driving first 25 ns delay path |
| 2 (IN2) | Input 2 | Independent TTL/CMOS-compatible input driving second 25 ns delay path |
| 3 (IN3) | Input 3 | Independent TTL/CMOS-compatible input driving third 25 ns delay path |
| 4 (GND) | Ground | Primary reference for all I/O and internal circuitry; requires low-impedance PCB connection |
| 5 (VCC) | Supply Voltage | +3.3 V power rail (2.7–3.6 V range); decoupling capacitor mandatory near pin |
| 6 (OUT3) | Output 3 | Buffered 25 ns delayed replica of IN3, with matched rise/fall time (2.0–3.5 ns) |
| 7 (OUT1) | Output 1 | Buffered 25 ns delayed replica of IN1, edge-aligned to preserve input duty cycle |
| 8 (OUT2) | Output 2 | Buffered 25 ns delayed replica of IN2, electrically isolated from other outputs |
Key Features
| Feature | Design Value |
|---|---|
| Triple Independent Delay Paths | Enables simultaneous, non-interacting delay of three signals without crosstalk or shared timing error |
| Leading & Trailing Edge Precision | Maintains input pulse symmetry (duty cycle) across all three outputs - critical for clock/data recovery |
| All-Silicon Construction | Eliminates quartz aging, shock sensitivity, and frequency drift - ideal for long-life embedded systems |
| SOIC-8 (150-mil) Compatibility | Supports automated assembly (vapor phase, IR, wave solder) and fits legacy 8-pin DIP footprints with adapter |
Applications
| High-Speed FPGA Clock Alignment | PCI Express Timing Skew Correction |
|---|---|
Use Scenario: Aligning multiple clock domains between FPGA fabric and external memory controllers. IC Role / Device Role / Timing Role: DS1033Z-25 provides deterministic, matched 25 ns delays to equalize trace-length-induced skew across parallel clock lines. Use Value: Enables reliable setup/hold timing margins without custom PCB length matching or programmable logic compensation. | Use Scenario: Compensating for differential pair skew in PCIe Gen1/Gen2 reference clock distribution. IC Role / Device Role / Timing Role: DS1033Z-25 buffers and delays individual REFCLK lanes to realign edges after board-level routing mismatches. Use Value: Restores sub-nanosecond edge alignment required for PCIe compliance testing and link training stability. |
| Synchronous Data Capture Systems | Digital Test Equipment Signal Staging |
Use Scenario: Synchronizing parallel ADC sampling clocks with system trigger events in data acquisition hardware. IC Role / Device Role / Timing Role: DS1033Z-25 introduces calibrated 25 ns delay to align sample strobes across multiple ADC channels. Use Value: Achieves channel-to-channel timing coherence better than ±500 ps, meeting IEEE 1241 SFDR requirements. | Use Scenario: Generating precisely staggered stimulus pulses for boundary-scan or JTAG test pattern sequencing. IC Role / Device Role / Timing Role: DS1033Z-25 serves as a fixed-timing staging element in automated test equipment (ATE) pattern generators. Use Value: Replaces FPGA-based delay logic with deterministic, zero-jitter analog-equivalent timing blocks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-delay line applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1033M-25 | DIP-8 package; same electrical specs and delay accuracy; higher thermal resistance (θJA ≈ 90°C/W vs. SOIC's 130°C/W) | Preferred for prototyping, through-hole assembly, or legacy board upgrades requiring socket compatibility | Select DS1033M-25 only when manual assembly or DIP footprint reuse is required; SOIC offers superior thermal performance and density |
| MAX9992ETE+T | Single-channel, 25 ns delay; ±1.0 ns initial tolerance; 3.3 V operation; TDFN-8 package; includes enable control | Used where per-channel gating or lower delay tolerance is needed; lacks triple-output integration | Choose MAX9992ETE+T if dynamic enable/disable capability or tighter initial tolerance is prioritized over channel count and cost-per-delay |
Compared with DS1033M-25 and MAX9992ETE+T, the DS1033Z-25 uniquely delivers three matched 25 ns delays in a space-efficient SOIC-8 package without enable logic - optimizing BOM count and layout simplicity for static multi-signal alignment tasks.
Availability
DS1033Z-25 is available at Aetrix Electronics and suitable for high-speed digital test equipment, FPGA-based communications infrastructure, and industrial data acquisition systems requiring stable component supply and long-term obsolescence management.
Supply support for DS1033Z-25 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 (acquired by Analog Devices in 2021) designs precision analog and mixed-signal ICs for industrial, communications, and computing applications.
The DS1033 series was developed by Dallas Semiconductor to replace quartz delay lines with robust, temperature-stable silicon alternatives for fixed-timing applications in telecom and test instrumentation.
FAQ
What is the guaranteed delay accuracy of DS1033Z-25 over temperature and voltage?
The DS1033Z-25 guarantees ±2.0 ns delay tolerance over the full operating temperature range (0°C to 70°C) and supply voltage range (2.7 V to 3.6 V) when measured at the 1.5 V threshold. This specification includes both initial calibration error and additional variation due to environmental stress, ensuring predictable timing behavior in industrial-grade systems where DS1033Z-25 is deployed.
Can DS1033Z-25 be used with 5 V logic inputs?
No - DS1033Z-25 is specified only for 3.3 V operation (2.7–3.6 V). Its input thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V) are compatible with 3.3 V CMOS/TTL, but 5 V inputs exceed the absolute maximum rating of +6.0 V on any pin and may cause latch-up or permanent damage. For 5 V systems, level-shifting or a 5 V-compatible alternative like DS1035-25 must be used instead of DS1033Z-25.
Does DS1033Z-25 require external decoupling capacitors?
Yes - a minimum 0.1 µF ceramic decoupling capacitor must be placed as close as possible to the VCC (pin 5) and GND (pin 4) pins of DS1033Z-25. This is required to suppress supply noise induced by simultaneous output switching, which otherwise degrades delay stability and increases jitter. Failure to implement proper decoupling will cause DS1033Z-25 to exceed its ±2.0 ns tolerance specification under dynamic load conditions.
Are the three delay paths in DS1033Z-25 truly independent?
Yes - DS1033Z-25 features three fully isolated delay paths with separate input and output pins (IN1/OUT1, IN2/OUT2, IN3/OUT3). Electrical crosstalk between paths is < –40 dB, and propagation delay matching across all three paths is maintained within ±0.5 ns under nominal conditions. This independence allows DS1033Z-25 to simultaneously delay unrelated signals without mutual interference - a core requirement in its target applications.
Is DS1033Z-25 RoHS compliant and lead-free?
Yes - DS1033Z-25 is manufactured in a RoHS-compliant, lead-free process and meets JEDEC J-STD-020 moisture sensitivity level (MSL) 1 requirements. The SOIC-8 package uses matte tin (Sn) termination and supports standard lead-free reflow profiles (peak 260°C for 10 seconds), making DS1033Z-25 suitable for modern high-reliability electronics manufacturing without exemption requests.
DS1033Z-25 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Number of Taps/Steps:
- -
- Function:
- Multiple
- Delay to 1st Tap:
- 25ns
- Tap Increment:
- -
- Available Total Delays:
- 25, 25, 25ns
- Number of Independent Delays:
- 3
- Voltage - Supply:
- 3.3V
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
DS1033Z-25 FAQ
1.How can I place an order for DS1033Z-25 through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1033Z-25 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 DS1033Z-25 reliable?
The price and inventory of DS1033Z-25 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1033Z-25 is usually 5 days.
3.What payment methods are accepted for DS1033Z-25?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1033Z-25 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1033Z-25?
DS1033Z-25 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1033Z-25 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 DS1033Z-25?
For technical support, including DS1033Z-25 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1033Z-25 requirements.
6.How does Aetrix verify that DS1033Z-25 is sourced from the original manufacturer or authorized distributors?
All DS1033Z-25 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 DS1033Z-25 meets industry standards.
7.What is the process for return or replacement of DS1033Z-25?
All DS1033Z-25 units undergo pre-shipment inspection (PSI). If there is an issue with DS1033Z-25, 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 DS1033Z-25 part is unused and in its original packaging.
Return procedure for DS1033Z-25:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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