Analog Devices Inc./Maxim Integrated DS1033Z-8+
- Part No.:
- DS1033Z-8+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Delay Lines
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
DS1033Z-8+.pdf
- Description:
- IC DELAY LINE 8NS 8SOIC
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
DS1033Z-8+ from Maxim Integrated (formerly Dallas Semiconductor) is a low-voltage, all-silicon 3-channel delay line IC operating at 3.3 V with ±1.5 ns initial delay tolerance, 8 ns nominal delay per output, and precise leading/trailing edge matching. It serves as a timing control element in high-speed digital synchronization circuits such as clock deskewing, signal alignment, and bus timing correction in industrial controllers and test equipment.
For engineers reviewing the DS1033Z-8+ datasheet, DS1033Z-8+ pinout, DS1033Z-8+ application, or DS1033Z-8+ equivalent, key selection criteria include guaranteed 8 ns delay per channel, ±1.0 ns temperature/voltage stability over 0°C to 70°C, SOIC-8 package compatibility, and input/output symmetry preservation for duty-cycle-critical paths.
Technical Context
The DS1033Z-8+ implements three independent buffered delay paths with identical 8 ns propagation delay (tPLH/tPHL) per channel under nominal conditions (VCC = 3.3 V, TA = +25°C). Each path preserves input signal symmetry via matched rise/fall delay characteristics and operates across 2.7 V–3.6 V supply range.
It uses silicon-based delay architecture-no external components required-and supports full logic-level compatibility with TTL/CMOS inputs (VIH ≥ 2.0 V, VIL ≤ 0.8 V) and drives standard 74F04-equivalent loads with 2.0–3.5 ns output transition times.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal Delay | 8 ns per output - fixed, matched delay across IN1→OUT1, IN2→OUT2, IN3→OUT3 |
| Initial Tolerance | ±1.5 ns - ensures tight delay matching at power-up and room temperature |
| Temp/Volt Stability | ±1.0 ns - additional variation over 0°C–70°C and 2.7 V–3.6 V supply range |
| Supply Voltage | 2.7 V to 3.6 V - compatible with modern low-voltage digital systems |
| Output Transition | 2.0–3.5 ns - fast enough for sub-100 MHz digital timing alignment |
| Input Compatibility | TTL/CMOS - VIH ≥ 2.0 V, VIL ≤ 0.8 V enables direct interface with FPGA I/O and microcontroller GPIO |
Pinout & Package
DS1033Z-8+ is housed in an 8-pin SOIC (150-mil) package with gull-wing leads, RoHS-compliant, and qualified for vapor phase, IR, and wave soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 (IN1–IN3) | Digital Input Signals | Three independent asynchronous inputs accepting TTL/CMOS logic levels |
| 4 (GND) | Ground Reference | Primary signal return path; must be low-impedance for timing integrity |
| 5 (VCC) | Power Supply | +3.3 V supply rail; requires local 0.1 µF decoupling near pin |
| 6, 7, 8 (OUT3, OUT1, OUT2) | Digital Output Signals | Three buffered, delay-matched outputs - pin order follows DS1033Z mechanical drawing |
Key Features
| Feature | Design Value |
|---|---|
| All-silicon delay architecture | Eliminates drift-prone RC networks and external capacitors; enables stable long-term timing |
| Matched leading/trailing edge delays | Maintains input duty cycle integrity - critical for clock distribution and synchronous sampling |
| Three independent buffered channels | Enables parallel delay of multiple signals without crosstalk or loading interaction |
| SOIC-8 footprint compatibility | Direct replacement for legacy DIP-8 versions using same PCB land pattern (with adapter) |
Applications
| High-Speed Bus Timing | Test Equipment Signal Alignment |
|---|---|
Use Scenario: Aligning address/data strobes in industrial PLC backplane buses where skew between parallel lines exceeds setup/hold margins. IC Role / Device Role / Timing Role: DS1033Z-8+ provides deterministic 8 ns delay on selected data lines to realign timing windows relative to clock edges. Use Value: Enables reliable 25 MHz bus operation without redesigning trace lengths or adding complex FPGA-based deskew logic. | Use Scenario: Synchronizing trigger and capture signals in automated test fixtures for mixed-signal IC validation. IC Role / Device Role / Timing Role: DS1033Z-8+ delays reference clock and stimulus edges to match variable propagation delays in fixture cabling and probe paths. Use Value: Reduces measurement jitter by <1.5 ns RMS, improving repeatability of parametric test results. |
| FPGA Clock Deskewing | Digital Logic Glitch Suppression |
Use Scenario: Compensating for inter-FPGA clock routing skew in multi-board digital signal processing racks. IC Role / Device Role / Timing Role: DS1033Z-8+ applies identical 8 ns delay to each board's clock input to equalize arrival time at local PLLs. Use Value: Eliminates metastability in cross-clock-domain FIFOs and improves system-level timing margin by >3 ns. | Use Scenario: Removing narrow glitches caused by asynchronous signal transitions in safety-critical control logic. IC Role / Device Role / Timing Role: DS1033Z-8+ delays one leg of a NAND-based debounce circuit to create a clean, glitch-free enable pulse. Use Value: Guarantees minimum pulse width of 8 ns, preventing false triggering of downstream latches or interrupt controllers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar delay line applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1033M-8+ | DIP-8 package; same electrical specs and 8 ns delay; larger footprint and through-hole mounting | Suitable only for prototyping or legacy through-hole boards; not for surface-mount production | Select DS1033M-8+ when manual assembly or socket-based testing is required |
| MAX9992ETA+ | Single-channel, 10 ns programmable delay; SPI-configurable; higher supply current (45 mA) | Lacks triple-output parallelism; requires firmware integration; better for adaptive delay tuning | Select MAX9992ETA+ when dynamic delay adjustment or single-path precision is prioritized over channel count |
Compared with DS1033M-8+ and MAX9992ETA+, the DS1033Z-8+ uniquely delivers three matched 8 ns delays in a compact SOIC-8 package with zero configuration overhead-ideal for fixed-timing, space-constrained, high-reliability digital systems.
Availability
DS1033Z-8+ is available at Aetrix Electronics and suitable for industrial automation, test instrumentation, and FPGA-based embedded systems requiring stable component supply, long-lifecycle availability, and consistent timing performance across production batches.
Supply support for DS1033Z-8+ 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, automotive, and communications applications, emphasizing reliability, low power, and high accuracy.
The DS1033Z-8+ belongs to Maxim's legacy timing solutions portfolio, developed specifically for deterministic, low-drift digital delay in mission-critical control and measurement systems where passive or programmable alternatives introduce variability.
FAQ
What is the exact delay value and tolerance of DS1033Z-8+?
The DS1033Z-8+ provides a nominal 8 ns delay per channel (IN1→OUT1, IN2→OUT2, IN3→OUT3) with ±1.5 ns initial tolerance at +25°C and VCC = 3.3 V. Over temperature (0°C to 70°C) and supply voltage (2.7 V to 3.6 V), total delay variation remains within ±2.5 ns maximum, ensuring predictable timing behavior in production environments.
Does DS1033Z-8+ support 2.5 V or 5 V operation?
No, DS1033Z-8+ is specified only for 2.7 V to 3.6 V operation. It is not rated for 2.5 V (below min spec) or 5 V (exceeds absolute max rating of +6.0 V on any pin). Operating outside this range risks parametric failure or reduced reliability. DS1033Z-8+ must be used with a regulated 3.3 V supply.
Can DS1033Z-8+ replace DS1033-80 in existing designs?
Yes - DS1033Z-8+ is the SOIC-8 variant of the DS1033-80, sharing identical delay (8 ns), tolerance (±1.5 ns), and electrical specifications. The "Z" suffix denotes SOIC packaging; no functional or timing differences exist between DS1033Z-8+ and DS1033-80 beyond package type and thermal characteristics.
What is the purpose of the substrate pin (Sub) in DS1033Z-8+?
The substrate pin (Sub) in DS1033Z-8+ is an internal die connection with no external function. Per datasheet guidance, it must remain unconnected on the PCB. Making external connections to Sub may disrupt internal biasing and degrade delay accuracy or cause device malfunction.
Is DS1033Z-8+ suitable for driving 50 Ω transmission lines directly?
No - DS1033Z-8+ is designed to drive standard logic loads (e.g., one 74F04 input, ~15 pF), not 50 Ω transmission lines. Driving 50 Ω directly causes excessive current draw, signal reflection, and degraded edge fidelity. For controlled-impedance routing, use a dedicated line driver or series termination after DS1033Z-8+.
DS1033Z-8+ 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, NonProgrammable
- Delay to 1st Tap:
- 8ns
- Tap Increment:
- -
- Available Total Delays:
- 8ns
- Number of Independent Delays:
- 3
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
DS1033Z-8+ FAQ
1.How can I place an order for DS1033Z-8+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1033Z-8+ 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-8+ reliable?
The price and inventory of DS1033Z-8+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1033Z-8+ is usually 5 days.
3.What payment methods are accepted for DS1033Z-8+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1033Z-8+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1033Z-8+?
DS1033Z-8+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1033Z-8+ 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-8+?
For technical support, including DS1033Z-8+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1033Z-8+ requirements.
6.How does Aetrix verify that DS1033Z-8+ is sourced from the original manufacturer or authorized distributors?
All DS1033Z-8+ 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-8+ meets industry standards.
7.What is the process for return or replacement of DS1033Z-8+?
All DS1033Z-8+ units undergo pre-shipment inspection (PSI). If there is an issue with DS1033Z-8+, 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-8+ part is unused and in its original packaging.
Return procedure for DS1033Z-8+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DS1033Z-8+ Tags

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Analog Devices Inc.

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Analog Devices Inc.

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Analog Devices Inc./Maxim Integrated
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