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PI74FCT162245CTVE Equivalent & Substitute Parts
Part Overview
The PI74FCT162245CTVE is a non-inverting transceiver logic IC manufactured by Diodes Incorporated, designed for 16-bit bidirectional data transmission with 3-state output capability. This component operates within the 4.5V to 5.5V supply voltage range and is rated for -40°C to 85°C operating temperature. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PI74FCT162245CTVE |
| Manufacturer | Diodes Incorporated |
| Base Product Number | 74FCT162245 |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| 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) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the PI74FCT162245CTVE is determined by strict adherence to the following electrical and mechanical parameters:
Primary Substitution Criteria:
- Logic Type: Transceiver, Non-Inverting
- Number of Elements: 2
- Number of Bits per Element: 8
- Output Type: 3-State
- Voltage - Supply: 4.5V ~ 5.5V
- Operating Temperature: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- Base Product Number: 74FCT162245 or 74FCT16245
Package Compatibility: Substitutes are grouped into two package categories:
- 48-BSSOP (0.295", 7.50mm Width) - Direct mechanical equivalent
- 48-TFSOP (0.240", 6.10mm Width) - Alternative package with same pin count and electrical function
Output Current Consideration: The main part specifies 24mA output current (high and low). Substitute parts with 32mA/64mA output current (74FCT16245 series) provide enhanced drive capability and remain functionally compatible within the same voltage and temperature specifications.
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Elements / Bits | Output Type | Current (H/L) | Voltage Supply | Temp Range | Package | Status |
|---|---|---|---|---|---|---|---|---|---|
| PI74FCT162245CTVE | Diodes Inc. | Non-Inverting | 2 / 8 | 3-State | 24mA / 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Obsolete |
| 74FCT162245ATPACT | Texas Instruments | Non-Inverting | 2 / 8 | 3-State | 24mA / 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TFSOP | Obsolete |
| 74FCT162245ATPAG | Renesas Electronics | Non-Inverting | 2 / 8 | 3-State | 24mA / 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TFSOP | Obsolete |
| 74FCT162245ATPVCT | Cypress Semiconductor | Non-Inverting | 2 / 8 | 3-State | 24mA / 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Active |
| 74FCT162245CTPACT | Texas Instruments | Non-Inverting | 2 / 8 | 3-State | 24mA / 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TFSOP | Obsolete |
| 74FCT162245CTPAG | IDT | Non-Inverting | 2 / 8 | 3-State | 24mA / 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TFSOP | Active |
| 74FCT162245CTPAG8 | IDT | Non-Inverting | 2 / 8 | 3-State | 24mA / 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TFSOP | Active |
| 74FCT16245ATPAG | IDT | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TFSOP | Active |
| 74FCT16245ATPAG8 | Renesas Electronics | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TFSOP | Active |
| 74FCT16245ATPVG | IDT | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Active |
| 74FCT16245CTPAG | Renesas Electronics | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TFSOP | Active |
Engineering Selection Recommendations
Direct Equivalent (Same Electrical and Package Specifications): The 74FCT162245ATPVCT (Cypress Semiconductor, Active status) provides the most direct equivalent with identical 24mA output current and 48-BSSOP package. This part maintains full compatibility with the original PI74FCT162245CTVE design and is currently in active production.
Package-Compatible Alternatives (48-BSSOP): The 74FCT16245ATPVG (IDT, Active status) offers enhanced output current (32mA/64mA) in the same 48-BSSOP package. This substitution is suitable for applications requiring improved drive capability without PCB redesign.
Functionally Equivalent with Package Change (48-TFSOP): Multiple active-status alternatives are available in the 48-TFSOP package (0.240", 6.10mm Width), including:
- 74FCT162245CTPAG (IDT, Active) - Maintains 24mA output current
- 74FCT162245CTPAG8 (IDT, Active) - Maintains 24mA output current
- 74FCT16245ATPAG (IDT, Active) - Enhanced 32mA/64mA output current
- 74FCT16245ATPAG8 (Renesas, Active) - Enhanced 32mA/64mA output current
- 74FCT16245CTPAG (Renesas, Active) - Enhanced 32mA/64mA output current
These substitutes require PCB layout modification to accommodate the narrower 48-TFSOP package but maintain full electrical compatibility.
Compliance Considerations: All listed substitutes maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage requirements.
Frequently Asked Questions (FAQ)
Q: Can I use 74FCT16245 series parts as direct substitutes for 74FCT162245? A: Yes, with electrical qualification. Both series maintain identical logic type, element count, bit width, output type, voltage supply, and operating temperature. The 74FCT16245 series provides higher output current (32mA/64mA vs. 24mA/24mA), which is a functional enhancement. Verify that your circuit design does not depend on the lower current specification of the original part.
Q: What is the difference between 48-BSSOP and 48-TFSOP packages? A: Both packages contain 48 pins and are surface-mount compatible. The 48-BSSOP has a 0.295" (7.50mm) width, while the 48-TFSOP has a 0.240" (6.10mm) width. The TFSOP is a narrower package requiring PCB layout modification. Pin assignments and electrical function remain identical between packages.
Q: Why are some substitutes listed as Obsolete while others are Active? A: Product status reflects current manufacturing availability. Active-status parts (74FCT162245ATPVCT, 74FCT162245CTPAG, 74FCT162245CTPAG8, and all 74FCT16245 variants) are currently produced and recommended for new designs. Obsolete-status parts may have limited inventory and are suitable for legacy system maintenance only.
Q: Are all listed substitutes ROHS3 compliant? A: All substitutes listed maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing processes and environmental requirements.
Q: Can I substitute a part with higher output current without circuit modification? A: Yes. Higher output current (32mA/64mA) is backward compatible with designs specified for 24mA/24mA. The circuit will function identically, with improved drive capability. No circuit modification is required.
Q: What packaging options are available for long-term supply? A: For sustained production, prioritize active-status parts in 48-TFSOP package (74FCT162245CTPAG, 74FCT162245CTPAG8, 74FCT16245 variants). The 74FCT162245ATPVCT in 48-BSSOP package is also active and suitable for designs requiring the original package footprint.
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