DS92001TLD Buffer ReDriver Equivalent & Substitute Parts

Part Overview

The DS92001TLD is a 1-channel LVDS buffer and redriver IC manufactured by Texas Instruments, designed for BLVDS signal conditioning applications. Operating at 400Mbps with a 1.4ns delay time, this component is classified as obsolete. Due to its discontinued status, equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production runs and legacy system support.

Key Parameters

Parameter	Value
Manufacturer Part Number	DS92001TLD
Manufacturer	Texas Instruments
Product Category	Interface - Buffer, ReDriver
Number of Channels	1
Data Rate (Max)	400Mbps
Input Signal Type	CML, LVDS, LVPECL
Output Signal Type	LVDS
Delay Time	1.4ns
Supply Voltage Range	3V to 3.6V
Supply Current	50mA
Operating Temperature Range	-40°C to 85°C
Package Type	8-WFDFN Exposed Pad (8-WSON 3x3)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitute parts for the DS92001TLD are categorized based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

Single-channel LVDS buffer/redriver architecture
Supply voltage range: 3V to 3.6V
Operating temperature range: -40°C to 85°C
LVDS input and output signal compatibility
Surface mount packaging

Substitution Categories:

Category 1: Direct Functional Equivalents (400Mbps Data Rate) Parts maintaining the original 400Mbps specification with minimal performance variance. These include DS92001TLD/NOPB, MAX9150EUI+, and MAX9180EXT+T. These parts preserve the exact data rate performance of the original component.

Category 2: Enhanced Performance Substitutes (800Mbps to 1.6Gbps Data Rate) Parts exceeding the original 400Mbps specification, including FIN1101K8X, FIN1101MX, and MAX9153EUI+T. These components operate at higher data rates while maintaining backward compatibility with 400Mbps applications through their superior bandwidth capability.

All substitute parts maintain the required supply voltage range, operating temperature specifications, and LVDS signal compatibility necessary for direct replacement in the DS92001TLD application space.

Parameter Comparison

Parameter	DS92001TLD	DS92001TLD/NOPB	FIN1101K8X	FIN1101MX	MAX9150EUI+	MAX9153EUI+T	MAX9180EXT+T
Manufacturer	Texas Instruments	National Semiconductor	onsemi	Fairchild Semiconductor	Analog Devices/Maxim	Analog Devices/Maxim	Analog Devices/Maxim
Number of Channels	1	1	1	1	1	1	1
Data Rate (Max)	400Mbps	400Mbps	1.6Gbps	1.6Gbps	400Mbps	800Mbps	400Mbps
Input Signal Type	CML, LVDS, LVPECL	CML, LVDS, LVPECL	LVDS, LVPECL	LVDS, LVPECL	LVDS	LVDS	LVDS
Output Signal Type	LVDS	LVDS	LVDS	LVDS	LVDS	LVDS	LVDS
Delay Time	1.4ns	1.4ns	1.1ns	1.1ns	2.2ns	2.3ns	2.0ns
Supply Voltage Range	3V to 3.6V	3V to 3.6V	3V to 3.6V	3V to 3.6V	3V to 3.6V	3V to 3.6V	3V to 3.6V
Supply Current	50mA	50mA	9.3mA	9.3mA	130mA	118mA	10mA
Operating Temperature	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C
Package Type	8-WFDFN Exposed Pad	8-WFDFN Exposed Pad	8-VFSOP	8-SOIC	28-TSSOP	28-TSSOP	6-TSSOP/SC-70-6
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	Not specified	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement with Minimal Design Changes:

DS92001TLD/NOPB is the primary equivalent, maintaining identical electrical specifications and package footprint. This part is actively manufactured and available in production quantities, making it the preferred choice for designs requiring no PCB modifications.

For RoHS3 Compliance Requirements:

FIN1101K8X, FIN1101MX, MAX9150EUI+, MAX9153EUI+T, and MAX9180EXT+T all carry ROHS3 Compliant certification. Selection among these depends on package constraints and performance requirements. FIN1101K8X and FIN1101MX offer enhanced 1.6Gbps performance with lower supply current (9.3mA), while MAX9180EXT+T provides the smallest package footprint (SC-70-6) with minimal current draw (10mA).

For Power-Constrained Applications:

MAX9180EXT+T and FIN1101K8X/FIN1101MX demonstrate significantly lower supply current consumption (10mA and 9.3mA respectively) compared to the original 50mA specification, suitable for battery-powered or thermally limited designs.

For Enhanced Bandwidth Applications:

FIN1101K8X, FIN1101MX, and MAX9153EUI+T support data rates of 1.6Gbps and 800Mbps respectively, providing performance headroom for future signal rate increases while maintaining backward compatibility with 400Mbps legacy systems.

For Timing-Critical Applications:

FIN1101K8X and FIN1101MX offer the lowest propagation delay (1.1ns) among available substitutes, compared to the original 1.4ns specification.

Frequently Asked Questions (FAQ)

Q: Can DS92001TLD/NOPB be used as a direct drop-in replacement?

A: Yes. DS92001TLD/NOPB maintains identical electrical specifications (400Mbps, 1.4ns delay, 50mA supply current) and package type (8-WFDFN Exposed Pad). No design modifications are required for PCB layout or signal routing.

Q: What is the primary difference between the 400Mbps and higher-speed substitutes?

A: FIN1101K8X and FIN1101MX operate at 1.6Gbps maximum data rate with 1.1ns propagation delay, while MAX9153EUI+T supports 800Mbps. These higher-speed parts are backward compatible with 400Mbps applications and provide performance margin for future bandwidth requirements. The original DS92001TLD is limited to 400Mbps.

Q: Are package changes required when selecting substitute parts?

A: Package selection depends on design constraints. DS92001TLD/NOPB maintains the original 8-WFDFN package. FIN1101K8X uses 8-VFSOP, FIN1101MX uses 8-SOIC, MAX9150EUI+ and MAX9153EUI+T use 28-TSSOP, and MAX9180EXT+T uses 6-TSSOP/SC-70-6. PCB layout modifications are necessary for non-equivalent packages.

Q: Which substitute offers the best power efficiency?

A: MAX9180EXT+T and FIN1101K8X both provide superior power efficiency with supply currents of 10mA and 9.3mA respectively, compared to the original 50mA specification. MAX9180EXT+T additionally offers the smallest package footprint.

Q: Are all substitute parts RoHS compliant?

A: FIN1101K8X, FIN1101MX, MAX9150EUI+, MAX9153EUI+T, and MAX9180EXT+T are ROHS3 Compliant. DS92001TLD/NOPB compliance status is not specified in available documentation. The original DS92001TLD is RoHS non-compliant.

Q: What input signal types are supported by each substitute?

A: DS92001TLD/NOPB supports CML, LVDS, and LVPECL inputs. FIN1101K8X and FIN1101MX support LVDS and LVPECL inputs. MAX9150EUI+, MAX9153EUI+T, and MAX9180EXT+T support LVDS inputs only. Verify input signal compatibility with your application requirements before selection.

Q: Can MAX9150EUI+ and MAX9153EUI+T be used interchangeably?

A: Both parts use identical 28-TSSOP packaging and share the same pinout. MAX9153EUI+T supports 800Mbps compared to MAX9150EUI+ at 400Mbps, with slightly higher supply current (118mA vs 130mA). MAX9153EUI+T is suitable for applications requiring higher bandwidth while maintaining compatibility with 400Mbps legacy designs.

Q: What is the significance of the /NOPB suffix on DS92001TLD/NOPB?

A: The /NOPB designation indicates "No Plumbum" (lead-free) packaging, reflecting RoHS compliance in the manufacturing process. This is a standard industry designation for lead-free component variants.

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