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PI74AVC164245AE Equivalent & Substitute Parts
Part Overview
The PI74AVC164245AE is a voltage level translator IC manufactured by Diodes Incorporated, designed for bidirectional translation between two voltage domains. This 48-TSSOP surface mount device features 2 circuits with 8 channels per circuit, supporting VCCA voltage range of 2.3V to 2.7V and VCCB voltage range of 3V to 3.6V. The part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain functional equivalence in bidirectional translation capability, channel configuration, and package compatibility while meeting current product availability and compliance standards.
Substiute Parts
Key Parameters
| Parameter | PI74AVC164245AE |
|---|---|
| Manufacturer | Diodes Incorporated |
| Series | 74AVC |
| Product Status | Obsolete |
| Translator Type | Voltage Level |
| Channel Type | Bidirectional |
| Number of Circuits | 2 |
| Channels per Circuit | 8 |
| Voltage - VCCA | 2.3V ~ 2.7V |
| Voltage - VCCB | 3V ~ 3.6V |
| Output Type | Tri-State, Non-Inverted |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 48-TFSOP (0.240", 6.10mm Width) |
| Supplier Device Package | 48-TSSOP |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution for the PI74AVC164245AE is determined by the following critical parameters:
Functional Requirements:
- Bidirectional voltage level translation capability
- 2 circuits with 8 channels per circuit configuration
- Tri-state, non-inverted output type
- 48-pin TSSOP package footprint compatibility
Electrical Compatibility:
- VCCA and VCCB voltage range support (minimum overlap with 2.3V ~ 2.7V and 3V ~ 3.6V)
- Operating temperature range (-40°C ~ 85°C minimum)
- Surface mount technology
Compliance & Availability:
- RoHS3 compliance
- Active product status preferred for long-term availability
- MSL rating of 1 or equivalent
Substitute parts are grouped into three categories: direct functional equivalents from alternative manufacturers, upgraded variants with extended voltage or temperature ranges, and manufacturer-recommended alternatives with enhanced specifications.
Parameter Comparison
| Parameter | PI74AVC164245AE | SN74AVC16T245DGGR | CALVC164245MDGGREP | CLVC16T245MDGGREP | 74ALVC164245PAG | 74AVC16T245DGG,118 | 74AVC16T245DGV-Q1J | 74AVCB164245GRE4 | CALVC164245IDGGREP | CALVC164245IDLREP |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Inc. | Texas Instruments | Texas Instruments | Texas Instruments | IDT | NXP USA Inc. | Nexperia USA Inc. | Texas Instruments | Texas Instruments | Texas Instruments |
| Series | 74AVC | 74AVC | 74ALVC | 74LVC | 74ALVC | 74AVC | 74AVC | 74AVCB | 74ALVC | 74ALVC |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Discontinued at DiGi Electronics | Active | Active |
| Number of Circuits / Elements | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Channels per Circuit / Bits per Element | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Output Type | Tri-State, Non-Inverted | 3-State | Tri-State, Non-Inverted | 3-State | Tri-State, Non-Inverted | 3-State | 3-State | Tri-State, Non-Inverted | Tri-State, Non-Inverted | Tri-State, Non-Inverted |
| Voltage - VCCA / Supply Low | 2.3V ~ 2.7V | 1.2V ~ 3.6V | 2.3V ~ 3.6V | 1.65V ~ 5.5V | 2.7V ~ 3.6V | 0.8V ~ 3.6V | 0.8V ~ 3.6V | 1.4V ~ 3.6V | 2.3V ~ 3.6V | 2.3V ~ 3.6V |
| Voltage - VCCB / Supply High | 3V ~ 3.6V | 1.2V ~ 3.6V | 3V ~ 5.5V | 1.65V ~ 5.5V | 4.5V ~ 5.5V | 0.8V ~ 3.6V | 0.8V ~ 3.6V | 1.4V ~ 3.6V | 3V ~ 5.5V | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -55°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 48-TFSOP (0.240", 6.10mm) | 48-TFSOP (0.240", 6.10mm) | 48-TFSOP (0.240", 6.10mm) | 48-TFSOP (0.240", 6.10mm) | 48-TFSOP (0.240", 6.10mm) | 48-TFSOP (0.240", 6.10mm) | 48-TFSOP (0.173", 4.40mm) | 48-TFSOP (0.240", 6.10mm) | 48-TFSOP (0.240", 6.10mm) | 48-BSSOP (0.295", 7.50mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not specified | Not specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | Not specified | Not specified | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Primary Substitutes (Direct Functional Equivalents):
SN74AVC16T245DGGR (Texas Instruments) and 74AVC16T245DGG,118 (NXP USA Inc.) are direct functional equivalents in the 74AVC series. Both maintain the same 2-element, 8-bit configuration with 3-state output and 48-TSSOP package. These parts are currently active and widely available. SN74AVC16T245DGGR supports VCCA/VCCB range of 1.2V ~ 3.6V, providing broader voltage compatibility than the original part. The NXP variant extends operating temperature to -40°C ~ 125°C, offering enhanced thermal performance.
Upgraded Alternatives (Extended Specifications):
CALVC164245MDGGREP and CALVC164245IDGGREP (Texas Instruments, 74ALVC series) provide upgraded voltage level translation with extended VCCB range to 5.5V, enabling compatibility with 5V systems. CALVC164245MDGGREP supports operating temperatures to -55°C ~ 125°C. CLVC16T245MDGGREP (74LVC series) offers the widest voltage supply range (1.65V ~ 5.5V) with higher output current capability (32mA vs. 12mA), suitable for applications requiring increased drive capability.
Manufacturer-Recommended Options:
74ALVC164245PAG (IDT) and 74AVC16T245DGV-Q1J (Nexperia, automotive grade with AEC-Q100 qualification) are manufacturer-recommended alternatives. The automotive-qualified variant is suitable for applications requiring automotive-grade components. All recommended substitutes maintain RoHS3 compliance and MSL rating of 1.
Package Consideration:
CALVC164245IDLREP uses a 48-BSSOP package (0.295", 7.50mm width) instead of the standard 48-TFSOP. This variant requires PCB layout modification and is not recommended for direct pin-compatible replacement.
Availability & Compliance:
For new designs, prioritize active-status parts: SN74AVC16T245DGGR, CALVC164245MDGGREP, CLVC16T245MDGGREP, and CALVC164245IDGGREP. All maintain ROHS3 compliance and unlimited MSL rating, ensuring compatibility with modern manufacturing processes.
Frequently Asked Questions (FAQ)
Q: Can SN74AVC16T245DGGR directly replace PI74AVC164245AE?
A: Yes. Both parts feature 2 circuits with 8 channels per circuit, tri-state/3-state output configuration, and identical 48-TFSOP package dimensions (0.240", 6.10mm width). The SN74AVC16T245DGGR supports the required voltage ranges and operating temperature. Electrical compatibility is confirmed across all critical parameters.
Q: What is the difference between 74AVC and 74ALVC series substitutes?
A: The 74ALVC series (CALVC164245MDGGREP, CALVC164245IDGGREP) extends VCCB voltage range to 5.5V, enabling translation to 5V systems. The 74AVC series maintains the original voltage specifications. Both series provide identical channel configuration and package compatibility. Selection depends on target voltage domain requirements.
Q: Is CALVC164245IDLREP compatible with the original PCB layout?
A: No. CALVC164245IDLREP uses a 48-BSSOP package (0.295", 7.50mm width) versus the standard 48-TFSOP (0.240", 6.10mm width). PCB footprint modification is required. For direct replacement without layout changes, use parts with 48-TFSOP packaging.
Q: Which substitute offers the best thermal performance?
A: CALVC164245MDGGREP and 74AVC16T245DGV-Q1J support extended operating temperature ranges (-55°C ~ 125°C and -40°C ~ 125°C respectively) compared to the original -40°C ~ 85°C specification. Selection depends on application thermal requirements.
Q: Are all substitutes RoHS3 compliant?
A: All listed substitutes with specified RoHS status are ROHS3 compliant. Parts without specified RoHS status (74ALVC164245PAG, 74AVC16T245DGG,118) should be verified with the manufacturer for compliance requirements in your application.
Q: What is the difference between 3-State and Tri-State output?
A: In this context, 3-State and Tri-State are functionally equivalent terms describing output stages capable of three states: high, low, and high-impedance. All listed substitutes provide this functionality regardless of terminology used in datasheets.
Q: Can CLVC16T245MDGGREP replace PI74AVC164245AE in all applications?
A: CLVC16T245MDGGREP is functionally compatible with identical channel configuration and package. However, it features higher output current (32mA vs. 12mA) and wider voltage supply range (1.65V ~ 5.5V). Verify that higher output current does not introduce signal integrity issues in your specific application. The extended voltage range provides greater flexibility for mixed-voltage systems.
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