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SN74LVC652ADBR Equivalent & Substitute Parts
Part Overview
The SN74LVC652ADBR is a non-inverting transceiver logic IC manufactured by Texas Instruments, designed for 8-bit data bus applications with 3-state output capability. Operating across a supply voltage range of 1.65V to 3.6V, this component is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Series | 74LVC |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 24-SSOP (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the SN74LVC652ADBR are identified based on strict parametric equivalence across the following criteria:
- Logic Type: Transceiver, Non-Inverting
- Number of Elements: 1
- Number of Bits per Element: 8
- Output Type: 3-State
- Current Ratings: 24mA output high and low
- Supply Voltage Range: 1.65V ~ 3.6V
- Operating Temperature Range: -40°C ~ 85°C
- Package Configuration: 24-SSOP with identical physical dimensions
- Surface Mount capability
- RoHS3 Compliance and MSL Level 1
All listed substitute parts maintain identical electrical specifications and physical packaging, ensuring direct functional replacement in circuit applications.
Parameter Comparison
| Parameter | SN74LVC652ADBR | SN74LVC2952ADBR | SN74LVC543ADBR | SN74LVC646ADBR |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Series | 74LVC | 74LVC | 74LVC | 74LVC |
| Logic Type | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting |
| Number of Elements | 1 | 1 | 1 | 1 |
| Number of Bits per Element | 8 | 8 | 8 | 8 |
| Output Type | 3-State | 3-State | 3-State | 3-State |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 24-SSOP (0.209", 5.30mm Width) | 24-SSOP (0.209", 5.30mm Width) | 24-SSOP (0.209", 5.30mm Width) | 24-SSOP (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active | Active | Active |
Engineering Selection Recommendations
For applications currently using the SN74LVC652ADBR, transition to active product status alternatives is recommended due to obsolescence classification. All three substitute parts—SN74LVC2952ADBR, SN74LVC543ADBR, and SN74LVC646ADBR—maintain identical electrical and mechanical specifications, ensuring direct functional compatibility.
SN74LVC646ADBR offers the highest current inventory availability (26,346 units), followed by SN74LVC543ADBR (3,315 units) and SN74LVC2952ADBR (807 units). All substitutes carry ROHS3 compliance and MSL Level 1 certification, meeting environmental and reliability requirements equivalent to the original part.
Frequently Asked Questions (FAQ)
Q: Can SN74LVC2952ADBR, SN74LVC543ADBR, and SN74LVC646ADBR be used interchangeably with SN74LVC652ADBR?
A: Yes. All substitute parts share identical electrical parameters including logic type, bit configuration, output drive capability, supply voltage range, and operating temperature specifications. Physical packaging is identical at 24-SSOP with matching pin assignments and dimensions.
Q: Why is the SN74LVC652ADBR classified as obsolete?
A: Obsolete status indicates the part is no longer manufactured by Texas Instruments. Active equivalent parts are available to support existing designs and new applications.
Q: Are there packaging differences between the main part and substitutes?
A: All parts use 24-SSOP surface mount packaging with 0.209" width (5.30mm). Physical and electrical compatibility is maintained across all variants.
Q: Do all substitute parts meet the same compliance standards?
A: Yes. All substitute parts are ROHS3 compliant with MSL Level 1 rating, matching the environmental and reliability certifications of the original SN74LVC652ADBR.
Q: Which substitute part should be selected for new designs?
A: Selection should be based on procurement availability and supply chain requirements. All three substitutes are functionally equivalent and suitable for new applications.
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