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DS1004Z-3/T&R Equivalent & Substitute Parts
Part Overview
The DS1004Z-3/T&R is a nonprogrammable delay line IC manufactured by Analog Devices Inc./Maxim Integrated, featuring 5 taps with a total delay of 17ns in an 8-SOIC surface mount package. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Category | Clock/Timing |
| Package Type | 8-SOIC (0.154", 3.90mm Width) |
| Number of Taps | 5 |
| Function | Nonprogrammable |
| Total Delay | 17ns |
| Supply Voltage | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the DS1004Z-3/T&R is determined by the following critical parameters:
- Package Compatibility: 8-SOIC (0.154", 3.90mm Width) form factor for direct PCB placement
- Functional Architecture: Nonprogrammable delay line with 5 taps
- Electrical Interface: Supply voltage range 4.75V ~ 5.25V
- Tap Configuration: 5-tap structure with single independent delay path
- Mounting Method: Surface mount technology
The DS1100Z-20+T meets these core substitution criteria while offering extended product lifecycle status and improved environmental compliance.
Parameter Comparison
| Parameter | DS1004Z-3/T&R (Main) | DS1100Z-20+T (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Category | Clock/Timing | Clock/Timing |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Number of Taps/Steps | 5 | 5 |
| Function | Nonprogrammable | Nonprogrammable |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Number of Independent Delays | 1 | 1 |
| Mounting Type | Surface Mount | Surface Mount |
| Available Total Delays | 17ns | 20ns |
| Delay to 1st Tap | 5ns | 4ns |
| Tap Increment | 3ns | 4ns |
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 85°C |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The DS1100Z-20+T is the qualified substitute for the DS1004Z-3/T&R based on the following factors:
Mechanical Compatibility: Both components utilize identical 8-SOIC packaging, enabling direct PCB footprint compatibility without layout modifications.
Electrical Compatibility: Matching supply voltage specifications (4.75V ~ 5.25V) and identical tap architecture (5 taps, nonprogrammable, single independent delay) ensure functional equivalence in circuit operation.
Product Lifecycle: The DS1100Z-20+T maintains active product status, ensuring continued availability and manufacturing support compared to the obsolete DS1004Z-3/T&R.
Regulatory Compliance: The DS1100Z-20+T achieves ROHS3 compliance, addressing modern environmental and regulatory requirements that the non-compliant DS1004Z-3/T&R does not meet.
Operating Range Extension: The DS1100Z-20+T supports an extended operating temperature range (-40°C ~ 85°C) compared to the DS1004Z-3/T&R (0°C ~ 70°C), providing broader application flexibility.
Delay Specification Variance: The DS1100Z-20+T provides 20ns total delay with 4ns tap increment versus the DS1004Z-3/T&R's 17ns total delay with 3ns tap increment. System designs must verify that the increased delay values and modified tap spacing are compatible with timing requirements.
Frequently Asked Questions (FAQ)
Q: Can the DS1100Z-20+T be used as a direct replacement for the DS1004Z-3/T&R?
A: The DS1100Z-20+T is mechanically and electrically compatible for direct PCB substitution. However, the modified delay specifications (20ns total versus 17ns, and 4ns tap increment versus 3ns) require verification that system timing requirements remain satisfied.
Q: Are there package differences between these components?
A: Both components use identical 8-SOIC (0.154", 3.90mm Width) packaging. No PCB layout or footprint modifications are required for substitution.
Q: What is the impact of the extended operating temperature range?
A: The DS1100Z-20+T supports -40°C ~ 85°C operation compared to the DS1004Z-3/T&R's 0°C ~ 70°C range. This provides enhanced capability for applications requiring broader temperature performance, though it does not restrict use in narrower temperature environments.
Q: Does the DS1100Z-20+T meet current regulatory requirements?
A: The DS1100Z-20+T is ROHS3 compliant, meeting current environmental regulations. The DS1004Z-3/T&R is RoHS non-compliant and does not satisfy modern regulatory standards.
Q: How do the delay specifications differ?
A: The DS1004Z-3/T&R provides 17ns total delay with 5ns first tap delay and 3ns tap increment. The DS1100Z-20+T provides 20ns total delay with 4ns first tap delay and 4ns tap increment. System timing analysis must confirm compatibility with these modified specifications.
Q: What is the supply voltage requirement for both components?
A: Both components require identical supply voltage of 4.75V ~ 5.25V, ensuring electrical compatibility in existing power distribution circuits.
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