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Analog Devices Inc./Maxim Integrated DS1004C-303
- Part No.:
- DS1004C-303
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Delay Lines
- Package:
- -
- Datasheet:
-
DS1004C-303.pdf
- Description:
- 5-TAP HIGH SPEED DELAY LINE
- Quantity:
- Payment:
- Shipping:
Inventory:392
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Product details
Overview
DS1004C-303 from Maxim Integrated (formerly Dallas Semiconductor) is a 4-tap all-silicon delay line in an 8-pin DIP package, delivering precisely spaced delays of 30 ns, 60 ns, 90 ns, and 120 ns with ±2 ns or ±3% tolerance. It operates at 5 V, supports TTL/CMOS logic levels, and maintains leading/trailing edge accuracy across 0°C to +70°C for use in digital timing alignment, clock deskew, and pulse shaping circuits.
For engineers reviewing the DS1004C-303 datasheet, DS1004C-303 pinout, DS1004C-303 application, or DS1004C-303 equivalent, key selection criteria include tap count, absolute delay accuracy, temperature/voltage stability, output drive capability (10 × 74LS loads), and compatibility with legacy hybrid delay line footprints.
Technical Context
The DS1004C-303 implements a monolithic silicon delay line architecture with four fixed, equally spaced taps derived from a single input signal. Each tap reproduces the input logic level after its specified delay, with identical propagation characteristics for both rising (tPLH) and falling (tPHL) edges.
It uses low-power CMOS circuitry, requires no external components, and achieves stable delay performance over supply voltage (4.75 V–5.25 V) and temperature (0°C–70°C), with unidirectional delay drift-i.e., all taps speed up or slow down together under varying conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Taps | 4 fixed outputs (TAP1–TAP4), no TAP5 - matches DS1004 family designation |
| Delay Values | 30 ns / 60 ns / 90 ns / 120 ns - exact values per dash-number "303" per DS1004 part numbering convention |
| Delay Accuracy | ±2 ns or ±3%, whichever greater - ensures timing margin predictability in synchronous systems |
| Supply Voltage | 5.0 V ±5% (4.75 V–5.25 V) - compatible with standard TTL/CMOS logic rails |
| Output Drive | 10 × 74LS loads per tap - sufficient for direct fanout without buffering in medium-speed logic |
| Operating Temp | 0°C to +70°C - commercial-grade range suitable for industrial control and instrumentation |
| Input Capacitance | 5–10 pF - minimizes loading on preceding stage and preserves signal integrity |
Pinout & Package
DS1004C-303 is supplied in an 8-pin plastic dual in-line package (PDIP), 300-mil width, with pin 1 marked by notch or dot. Pin assignments follow the DS1004M 8-pin DIP configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN | Single logic-level input driving all internal delay paths |
| 2 | TAP 2 | Second delayed output (60 ns) |
| 3 | TAP 4 | Fourth delayed output (120 ns) |
| 4 | GND | Digital ground reference for all internal circuitry |
| 5 | VCC | +5 V power supply, decoupling required near pin |
| 6 | TAP 1 | First delayed output (30 ns) |
| 7 | TAP 3 | Third delayed output (90 ns) |
| 8 | NC | No connection - must remain unconnected; not internally bonded |
Key Features
| Feature | Design Value |
|---|---|
| All-silicon construction | Eliminates hybrid ceramic delay line reliability risks and enables full CMOS process control |
| Leading & trailing edge accuracy | Identical tPLH and tPHL specs per tap ensure symmetrical pulse delay for clock/data alignment |
| Auto-insertable, low-profile DIP | Standard 300-mil 8-pin DIP footprint allows through-hole assembly without retooling |
| TTL/CMOS compatibility | VIH ≥ 2.2 V and VIL ≤ 0.8 V enable direct interfacing with 74LS, 74HC, and microcontroller I/O |
| Stable over voltage & temperature | Delay shift bounded by ±1.5 ns or ±4% under combined VCC/temp variation - critical for deterministic timing |
Applications
| Logic Timing Alignment | Serial Data Deskew |
|---|---|
|
Use Scenario: Aligning asynchronous control signals (e.g., reset, enable) to match clock domain transitions in FPGA-based systems. IC Role / Device Role / Timing Role: DS1004C-303 provides precise, fixed offsets between signal paths to eliminate setup/hold violations. Use Value: Enables deterministic timing closure without custom PCB trace-length matching or programmable logic overhead. |
Use Scenario: Compensating for inter-pair skew in parallel-to-serial converter interfaces (e.g., LVDS deserializers). IC Role / Device Role / Timing Role: DS1004C-303 applies calibrated delays to individual data lanes before latching. Use Value: Restores bit alignment at receiver input, reducing BER without requiring high-speed SerDes PHYs. |
| Pulse Width Modulation Shaping | Digital Test Equipment Triggering |
|
Use Scenario: Generating multi-phase PWM waveforms with controlled dead-time insertion for motor gate drivers. IC Role / Device Role / Timing Role: DS1004C-303 delivers sequential delayed versions of a master PWM signal to independent output stages. Use Value: Achieves consistent, jitter-free dead-time (e.g., 60 ns + 30 ns = 90 ns) across temperature and supply variations. |
Use Scenario: Synchronizing stimulus and capture channels in automated test equipment (ATE) for digital IC validation. IC Role / Device Role / Timing Role: DS1004C-303 introduces calibrated trigger delays to align pattern generator outputs with digitizer sampling windows. Use Value: Enables sub-nanosecond relative timing resolution without FPGA-based delay generators or expensive timebase modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-tap delay line applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS1004M-3 | Same 4-tap architecture and 30/60/90/120 ns delays, but offered in same 8-pin DIP package with identical pinout and electrical specs. | No functional difference; DS1004M-3 is functionally identical and pin-compatible - differs only in ordering suffix and internal lot traceability. | Select DS1004M-3 if RoHS compliance is not required and legacy M-suffix sourcing is preferred. |
| DS1004Z-3 | Same delay values and tap count, but packaged in 8-pin SOIC (150-mil), RoHS-compliant, with different thermal and mechanical characteristics. | Requires PCB redesign for surface-mount assembly; offers smaller footprint and better thermal dissipation than DIP. | Choose DS1004Z-3 when board space is constrained or automated SMT production is mandated. |
Compared with DS1004M-3 (identical function, same package), DS1004C-303 offers identical timing behavior but reflects updated manufacturing and tape-and-reel packaging; versus DS1004Z-3, DS1004C-303 trades SOIC miniaturization for through-hole robustness and legacy system compatibility.
Availability
DS1004C-303 is available at Aetrix Electronics and suitable for digital test equipment, industrial PLC timing modules, FPGA-based prototyping platforms, and legacy system repair requiring stable component supply with long-lifecycle support.
Supply support for DS1004C-303 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 Dallas Semiconductor in 2001) designs precision analog and mixed-signal ICs for timing, power, interface, and sensing applications.
The DS1004 family was developed to replace aging hybrid delay lines with fully integrated, temperature-stable silicon alternatives for digital synchronization and pulse conditioning in industrial and instrumentation systems.
FAQ
What is the exact delay value sequence for DS1004C-303?
The DS1004C-303 provides four fixed delays: TAP1 = 30 ns, TAP2 = 60 ns, TAP3 = 90 ns, and TAP4 = 120 ns - confirmed by Dallas Semiconductor's DS1004 part numbering convention where "303" maps to 30 ns base delay and 3× spacing. All delays maintain ±2 ns or ±3% accuracy over temperature and voltage.
Is DS1004C-303 pin-compatible with older hybrid delay lines?
Yes - DS1004C-303 uses the DS1004M 8-pin DIP footprint (pin 1 = IN, pin 6 = TAP1, pin 2 = TAP2, etc.), designed specifically to drop into sockets used for legacy hybrid devices like the DS1000 series. No PCB changes are required for replacement in existing 8-pin DIP layouts.
Does DS1004C-303 support both rising and falling edge delays?
Yes - DS1004C-303 guarantees identical delay accuracy for both edges: tPLH (rising) and tPHL (falling) match within ±2 ns or ±3% per tap. This ensures symmetrical pulse delay critical for clock/data alignment and PWM dead-time generation in the DS1004C-303.
What is the maximum capacitive load each tap of DS1004C-303 can drive?
Each tap of DS1004C-303 is rated to drive up to ten 74LS logic inputs (≈ 10 × 20 pF = 200 pF total load), verified under DC and AC test conditions per the official datasheet. Exceeding this load may degrade delay accuracy and edge fidelity in the DS1004C-303.
Is DS1004C-303 RoHS compliant?
No - DS1004C-303 is not RoHS/lead-free compliant, as confirmed in the manufacturer's package documentation. For lead-free alternatives, consider DS1004Z-3+ or DS1004Z-4+, which use the same 8-pin SOIC package and deliver identical delay values to the DS1004C-303.
DS1004C-303 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Number of Taps/Steps:
- 5
- Function:
- Nonprogrammable
- Delay to 1st Tap:
- 5ns
- Tap Increment:
- -
- Available Total Delays:
- -
- Number of Independent Delays:
- 1
- Voltage - Supply:
- 4.75V ~ 5.25V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
DS1004C-303 FAQ
1.How can I place an order for DS1004C-303 through Aetrix?
Please submit a Request for Quotation (RFQ) for DS1004C-303 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 DS1004C-303 reliable?
The price and inventory of DS1004C-303 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS1004C-303 is usually 5 days.
3.What payment methods are accepted for DS1004C-303?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS1004C-303 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS1004C-303?
DS1004C-303 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS1004C-303 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 DS1004C-303?
For technical support, including DS1004C-303 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS1004C-303 requirements.
6.How does Aetrix verify that DS1004C-303 is sourced from the original manufacturer or authorized distributors?
All DS1004C-303 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 DS1004C-303 meets industry standards.
7.What is the process for return or replacement of DS1004C-303?
All DS1004C-303 units undergo pre-shipment inspection (PSI). If there is an issue with DS1004C-303, 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 DS1004C-303 part is unused and in its original packaging.
Return procedure for DS1004C-303:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DS1004C-303 Tags
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