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74FCT16245TPVCG4 Equivalent & Substitute Parts
Part Overview
The 74FCT16245TPVCG4 is a non-inverting transceiver logic IC manufactured by Texas Instruments, featuring 2 elements with 8 bits per element and 3-state output capability. This component operates within a 4.5V to 5.5V supply voltage range and is housed in a 48-SSOP package. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74FCT16245TPVCG4 |
| Manufacturer | Texas Instruments |
| Series | 74FCT |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 48-BSSOP (0.295", 7.50mm Width) |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the 74FCT16245TPVCG4 is determined by the following critical parameters:
- Logic Type: Transceiver, Non-Inverting
- Number of Elements: 2
- Number of Bits per Element: 8
- Output Type: 3-State
- Operating Temperature Range: -40°C ~ 85°C
- Package Compatibility: 48-SSOP or 48-TSSOP form factors
- Supply Voltage Range: 4.5V ~ 5.5V (primary criterion for 74FCT series parts)
Substitute parts are grouped into two categories:
Category 1: Direct 74FCT Series Substitutes - Parts maintaining identical supply voltage range (4.5V ~ 5.5V), same logic configuration, and compatible packaging. These include 74FCT162245 variants and 74FCT16245 variants from multiple manufacturers.
Category 2: Low-Voltage Alternative - The SN74LVCR16245ADLR operates at reduced supply voltage (1.65V ~ 3.6V) with lower output current specifications, suitable only for applications where voltage compatibility is confirmed.
Parameter Comparison
| Parameter | 74FCT16245TPVCG4 | SN74LVCR16245ADLR | 74FCT162245ATPAG | 74FCT162245ATPVG | 74FCT162245CTPAG | 74FCT16245ATPAG | 74FCT16245ATPAG8 | 74FCT16245CTPAG | 74FCT16245CTPAG8 | 74FCT16245CTPVG8 |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Renesas | Renesas | IDT | IDT | Renesas | Renesas | Renesas | IDT |
| Logic Type | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting |
| Number of Elements | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Number of Bits per Element | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Output Type | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State |
| Voltage - Supply | 4.5V ~ 5.5V | 1.65V ~ 3.6V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Current - Output High, Low | 32mA, 64mA | 12mA, 12mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 32mA, 64mA | 32mA, 64mA | 32mA, 64mA | 32mA, 64mA | 32mA, 64mA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 48-BSSOP | 48-BSSOP | 48-TFSOP | 48-BSSOP | 48-TFSOP | 48-TFSOP | 48-TFSOP | 48-TFSOP | 48-TFSOP | 48-BSSOP |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Active | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not specified | Not specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not specified |
Engineering Selection Recommendations
For Direct Replacement (Same Supply Voltage, Same Output Current):
Select from parts with matching 32mA/64mA output current specifications and 4.5V ~ 5.5V supply voltage: 74FCT16245ATPAG, 74FCT16245ATPAG8, 74FCT16245CTPAG, 74FCT16245CTPAG8, or 74FCT16245CTPVG8. These maintain electrical equivalence with the original 74FCT16245TPVCG4. Parts with Active product status (74FCT16245ATPAG, 74FCT16245ATPAG8, 74FCT16245CTPAG, 74FCT16245CTPAG8, 74FCT16245CTPVG8) are preferred for new designs and ongoing production.
For Reduced Output Current Applications:
The 74FCT162245 series variants (74FCT162245ATPAG, 74FCT162245ATPVG, 74FCT162245CTPAG) provide 24mA/24mA output current within the same 4.5V ~ 5.5V supply range. These are suitable for applications where lower output current is acceptable.
For Low-Voltage System Integration:
The SN74LVCR16245ADLR operates at 1.65V ~ 3.6V supply voltage with reduced output current (12mA, 12mA). This part is only suitable for systems designed for low-voltage operation and is not a direct replacement for 5V systems.
Package Considerations:
The original 74FCT16245TPVCG4 uses 48-BSSOP packaging. Direct pin-compatible substitutes in the same package include SN74LVCR16245ADLR and 74FCT162245ATPVG. Parts using 48-TFSOP packaging (74FCT162245ATPAG, 74FCT162245CTPAG, 74FCT16245ATPAG, 74FCT16245ATPAG8, 74FCT16245CTPAG, 74FCT16245CTPAG8) require PCB layout verification for footprint compatibility.
Frequently Asked Questions (FAQ)
Q: Can I use 74FCT162245 variants as direct replacements for 74FCT16245TPVCG4?
A: 74FCT162245 variants maintain the same logic configuration, element count, and bit width. However, they provide reduced output current (24mA/24mA versus 32mA/64mA). Substitution is valid only if your application does not require the higher output current specification of the original part.
Q: What is the difference between 48-BSSOP and 48-TFSOP packages?
A: 48-BSSOP has a body width of 0.295" (7.50mm), while 48-TFSOP has a body width of 0.240" (6.10mm). These are different physical packages requiring different PCB footprints. Verify your board layout before selecting a substitute with different packaging.
Q: Is the SN74LVCR16245ADLR a suitable replacement?
A: The SN74LVCR16245ADLR is functionally equivalent but operates at 1.65V ~ 3.6V supply voltage, not the 4.5V ~ 5.5V range of the original part. It is only suitable if your system is designed for low-voltage operation. Direct substitution in 5V systems is not valid.
Q: Why do some substitute parts show Obsolete status?
A: 74FCT162245ATPAG and 74FCT162245ATPVG are classified as Obsolete but remain available in inventory. For new designs, prioritize Active status parts such as 74FCT16245ATPAG, 74FCT16245CTPAG, or 74FCT162245CTPAG to ensure long-term supply availability.
Q: What does RoHS3 Compliant status mean for substitution?
A: RoHS3 Compliant indicates the part meets Restriction of Hazardous Substances regulations. When substituting, maintain RoHS compliance status consistency with your system requirements and regional regulations.
Q: Can I mix different manufacturers' parts in the same design?
A: Yes. All listed substitutes maintain identical logic specifications and operating parameters. Parts from Texas Instruments, Renesas Electronics, and IDT are functionally interchangeable within their specified electrical and thermal ranges. Verify component availability and lead times with your supplier.
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