SN75DP120RHHT Equivalent & Substitute Parts

Part Overview

The SN75DP120RHHT is a DisplayPort buffer and redriver IC manufactured by Texas Instruments, designed for signal conditioning in DisplayPort applications. This 4-channel redriver operates at data rates up to 2.7Gbps and provides input equalization and output pre-emphasis functionality. The component is classified as Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when identical electrical specifications, mechanical packaging, and compliance certifications are maintained across the product line.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Interface
Type	Buffer, ReDriver
Number of Channels	4
Data Rate (Max)	2.7Gbps
Delay Time	6.4ns
Signal Conditioning	Input Equalization, Output Pre-Emphasis
Voltage - Supply	3V ~ 3.6V
Current - Supply	165mA
Operating Temperature	0°C ~ 85°C
Package / Case	36-VFQFN Exposed Pad
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

The SN75DP120RHHR qualifies as a parametric equivalent to the SN75DP120RHHT based on the following substitution criteria:

All electrical parameters are identical: 4-channel configuration, 2.7Gbps maximum data rate, 6.4ns delay time, input equalization and output pre-emphasis signal conditioning, 3V to 3.6V supply voltage range, and 165mA supply current.

Mechanical specifications match exactly: 36-VFQFN (6x6) package with exposed pad, surface mount mounting type, and identical MSL rating of 3 (168 Hours).

Compliance and regulatory status are equivalent: both parts maintain ROHS3 compliance, REACH unaffected status, and identical ECCN and HTSUS classifications.

Product status is Active for both parts, confirming ongoing manufacturing and availability.

Parameter Comparison

Parameter	SN75DP120RHHT	SN75DP120RHHR	Match
Manufacturer	Texas Instruments	Texas Instruments	Yes
Type	Buffer, ReDriver	Buffer, ReDriver	Yes
Number of Channels	4	4	Yes
Data Rate (Max)	2.7Gbps	2.7Gbps	Yes
Delay Time	6.4ns	6.4ns	Yes
Signal Conditioning	Input Equalization, Output Pre-Emphasis	Input Equalization, Output Pre-Emphasis	Yes
Voltage - Supply	3V ~ 3.6V	3V ~ 3.6V	Yes
Current - Supply	165mA	165mA	Yes
Operating Temperature	0°C ~ 85°C	0°C ~ 85°C	Yes
Package / Case	36-VFQFN Exposed Pad	36-VFQFN Exposed Pad	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
MSL Rating	3 (168 Hours)	3 (168 Hours)	Yes
Product Status	Active	Active	Yes

Engineering Selection Recommendations

Both the SN75DP120RHHT and SN75DP120RHHR are Active products from Texas Instruments with identical electrical and mechanical specifications. Selection between these parts is based on inventory availability and supply chain considerations rather than technical differentiation. Both parts maintain full ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and commercial DisplayPort interface applications. The identical MSL rating of 3 (168 Hours) ensures equivalent moisture handling requirements during storage and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the SN75DP120RHHR be used as a direct replacement for the SN75DP120RHHT?

A: Yes. Both parts are identical in electrical performance, mechanical packaging, and compliance certifications. Direct substitution is supported without circuit modification.

Q: What determines compatibility between these DisplayPort redriver parts?

A: Compatibility is determined by matching channel count (4), data rate (2.7Gbps), signal conditioning features (input equalization and output pre-emphasis), supply voltage range (3V to 3.6V), package type (36-VFQFN), and operating temperature range (0°C to 85°C).

Q: Are there any differences in the 36-VFQFN package between these parts?

A: No. Both parts use the identical 36-VFQFN (6x6) package with exposed pad, surface mount configuration, and MSL rating of 3 (168 Hours).

Q: Do both parts meet the same compliance standards?

A: Yes. Both the SN75DP120RHHT and SN75DP120RHHR are ROHS3 compliant, REACH unaffected, and share identical ECCN and HTSUS classifications.

Q: What is the significance of the MSL 3 rating for these components?

A: MSL 3 (168 Hours) indicates the maximum time the component can be exposed to moisture at specified temperature and humidity conditions before soldering. Both parts have identical moisture sensitivity requirements.

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