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74FCT163245APVG Equivalent & Substitute Parts
Part Overview
The 74FCT163245APVG is a non-inverting transceiver IC manufactured by Renesas Electronics Corporation, designed for 16-bit bus transceivers with 2 elements of 8 bits per element and 3-state output capability. This component operates at 3.6V supply voltage and is housed in a 48-BSSOP surface mount package. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new design implementations where supply continuity is required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74FCT163245APVG |
| Manufacturer | Renesas Electronics Corporation |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 8mA, 24mA |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 48-BSSOP (0.295", 7.50mm Width) |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution of the 74FCT163245APVG is determined by strict adherence to the following electrical and mechanical parameters:
Critical Substitution Parameters:
- Logic Type: Transceiver, Non-Inverting
- Number of Elements: 2
- Number of Bits per Element: 8
- Output Type: 3-State
- Package / Case: 48-BSSOP (0.295", 7.50mm Width)
- Operating Temperature: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
Voltage Supply Consideration: The 74FCT163245APVG operates at 2.7V ~ 3.6V. Substitute parts operating at 4.5V ~ 5.5V are electrically compatible in systems where the supply voltage can be adjusted or where the higher voltage rating provides backward compatibility. Parts with identical 2.7V ~ 3.6V ratings provide direct substitution without voltage considerations.
Current Output Consideration: The 74FCT163245APVG provides 8mA high and 24mA low output current. Substitute parts with equal or greater output current ratings are acceptable for direct substitution.
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Elements / Bits | Output Type | Voltage Supply | Current (High/Low) | Package | Product Status | MSL |
|---|---|---|---|---|---|---|---|---|---|
| 74FCT163245APVG | Renesas | Non-Inverting Transceiver | 2 / 8 | 3-State | 2.7V ~ 3.6V | 8mA / 24mA | 48-BSSOP | Obsolete | 3 |
| 74FCT163245CPVG | Renesas | Non-Inverting Transceiver | 2 / 8 | 3-State | 2.7V ~ 3.6V | 8mA / 24mA | 48-BSSOP | Obsolete | 1 |
| 74FCT162245ATPVCT | Cypress Semiconductor | Non-Inverting Transceiver | 2 / 8 | 3-State | 4.5V ~ 5.5V | 24mA / 24mA | 48-BSSOP | Active | 1 |
| 74FCT16245TPVCG4 | Texas Instruments | Non-Inverting Transceiver | 2 / 8 | 3-State | 4.5V ~ 5.5V | 32mA / 64mA | 48-BSSOP | Obsolete | 1 |
| 74FCT162H245ATPVC | Texas Instruments | Non-Inverting Transceiver | 2 / 8 | 3-State | 4.5V ~ 5.5V | 24mA / 24mA | 48-BSSOP | Obsolete | 1 |
| 74FCT162H245CTPVC | Cypress Semiconductor | Non-Inverting Transceiver | 2 / 8 | 3-State | 4.5V ~ 5.5V | 24mA / 24mA | 48-BSSOP | Active | 1 |
| CY74FCT162245ATPVC | Cypress Semiconductor | Non-Inverting Transceiver | 2 / 8 | 3-State | 4.5V ~ 5.5V | 24mA / 24mA | 48-BSSOP | Active | 1 |
| CY74FCT162245CTPVC | Texas Instruments | Non-Inverting Transceiver | 2 / 8 | 3-State | 4.5V ~ 5.5V | 24mA / 24mA | 48-BSSOP | Obsolete | 1 |
| CY74FCT162245TPVC | National Semiconductor | Non-Inverting Transceiver | 2 / 8 | 3-State | 4.5V ~ 5.5V | 24mA / 24mA | 48-BSSOP | Active | Not specified |
| CY74FCT162245TPVCT | Cypress Semiconductor | Non-Inverting Transceiver | 2 / 8 | 3-State | 4.5V ~ 5.5V | 24mA / 24mA | 48-BSSOP | Active | Not specified |
| CY74FCT16245ATPVC | Texas Instruments | Non-Inverting Transceiver | 2 / 8 | 3-State | 4.5V ~ 5.5V | 32mA / 64mA | 48-BSSOP | Obsolete | 1 |
Engineering Selection Recommendations
Direct Equivalent (Same Voltage Supply): The 74FCT163245CPVG from Renesas Electronics Corporation is the direct parametric equivalent to the 74FCT163245APVG. Both parts operate at 2.7V ~ 3.6V with identical electrical specifications. The primary difference is the Moisture Sensitivity Level (MSL): the CPVG variant has MSL 1 (Unlimited) compared to the APVG's MSL 3 (168 Hours), providing superior moisture handling characteristics. This part is recommended for direct replacement in existing designs.
Active Product Alternatives (Higher Voltage Supply): For new designs or systems capable of operating at 4.5V ~ 5.5V supply voltage, the following active products are available:
- 74FCT162245ATPVCT (Cypress Semiconductor Corp)
- 74FCT162H245CTPVC (Cypress Semiconductor Corp)
- CY74FCT162245ATPVC (Cypress Semiconductor Corp)
- CY74FCT162245TPVCT (Cypress Semiconductor Corp)
- CY74FCT162245TPVC (National Semiconductor)
All active alternatives maintain the same functional architecture (2 elements, 8 bits per element, 3-state output, 48-BSSOP package) and operating temperature range (-40°C ~ 85°C). These parts provide long-term supply continuity and are ROHS3 compliant where specified.
Compliance Considerations: All substitute parts listed maintain ROHS3 compliance and REACH unaffected status, consistent with the original 74FCT163245APVG specifications. MSL ratings for active products are uniformly MSL 1 (Unlimited), providing superior reliability in moisture-sensitive environments compared to the original part's MSL 3 rating.
Frequently Asked Questions (FAQ)
Q: Can I use a 4.5V ~ 5.5V substitute part in a 2.7V ~ 3.6V system? A: No. The 74FCT163245APVG is specified for 2.7V ~ 3.6V operation. Substitute parts rated for 4.5V ~ 5.5V are not suitable for direct replacement in systems operating at the lower voltage range. Use only the 74FCT163245CPVG for direct voltage-compatible substitution.
Q: What is the significance of MSL rating differences? A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to moisture before soldering. The original 74FCT163245APVG has MSL 3 (168 hours), while the 74FCT163245CPVG equivalent has MSL 1 (Unlimited). MSL 1 provides superior moisture tolerance and is preferred for long-term storage and humid environments.
Q: Are all substitute parts in the 48-BSSOP package identical in physical dimensions? A: Yes. All listed substitute parts use the 48-BSSOP package with identical dimensions (0.295", 7.50mm Width). Physical compatibility with existing PCB layouts is maintained across all substitutes.
Q: What is the difference between obsolete and active product status? A: Obsolete products have been discontinued by manufacturers and may have limited availability. Active products are currently manufactured and supported, providing long-term supply assurance. For new designs, active alternatives such as those from Cypress Semiconductor Corp are recommended.
Q: Can I substitute a part with higher output current rating? A: Yes. The 74FCT163245APVG provides 8mA high and 24mA low output current. Substitute parts with equal or greater output current ratings (such as 32mA/64mA variants) are electrically compatible and provide additional current capability without functional degradation.
Q: Are there packaging format differences among the substitutes? A: Yes. Some substitutes are available in Tube packaging, while others are in Bulk. Packaging format does not affect electrical compatibility but may influence ordering quantities and handling procedures. Verify packaging requirements with your procurement specifications.
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