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PI74FCT162245ATAE Equivalent & Substitute Parts
Part Overview
The PI74FCT162245ATAE is a non-inverting transceiver logic IC manufactured by Diodes Incorporated, featuring 2 elements with 8 bits per element and 3-state output capability. This 48-TSSOP surface mount device operates across a 4.5V to 5.5V supply 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 design support and procurement continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PI74FCT162245ATAE |
| Manufacturer | Diodes Incorporated |
| 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 | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| 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 |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the PI74FCT162245ATAE is determined by strict alignment of the following critical 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-TFSOP (0.240", 6.10mm Width) - Direct mechanical and electrical equivalents
- 48-BSSOP (0.295", 7.50mm Width) - Functionally equivalent with different package footprint
Output Current Variations: The primary part specifies 24mA output current (high and low). Substitute parts with 32mA/64mA output current (74FCT16245 series) provide enhanced drive capability while maintaining full backward compatibility within the 4.5V-5.5V supply range.
Product Status Consideration: Active product status substitutes are preferred for long-term availability. Obsolete status substitutes provide equivalent functionality but may have limited procurement windows.
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Elements | Bits/Element | Output Type | Current (High/Low) | Supply Voltage | Temp Range | Package | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PI74FCT162245ATAE | Diodes Inc. | Non-Inverting | 2 | 8 | 3-State | 24mA, 24mA | 4.5V-5.5V | -40°C to 85°C | 48-TFSOP | Obsolete | 710 Pcs |
| 74FCT162245ATPACT | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 24mA, 24mA | 4.5V-5.5V | -40°C to 85°C | 48-TFSOP | Obsolete | 3200 Pcs |
| 74FCT162245ATPVCT | Cypress Semiconductor | Non-Inverting | 2 | 8 | 3-State | 24mA, 24mA | 4.5V-5.5V | -40°C to 85°C | 48-BSSOP | Active | 2060 Pcs |
| 74FCT162245ATPVG | Renesas Electronics | Non-Inverting | 2 | 8 | 3-State | 24mA, 24mA | 4.5V-5.5V | -40°C to 85°C | 48-BSSOP | Obsolete | 1214 Pcs |
| 74FCT162245CTPACT | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 24mA, 24mA | 4.5V-5.5V | -40°C to 85°C | 48-TFSOP | Obsolete | 873 Pcs |
| 74FCT162245CTPAG8 | IDT | Non-Inverting | 2 | 8 | 3-State | 24mA, 24mA | 4.5V-5.5V | -40°C to 85°C | 48-TFSOP | Active | 2175 Pcs |
| 74FCT16245ATPAG | IDT | Non-Inverting | 2 | 8 | 3-State | 32mA, 64mA | 4.5V-5.5V | -40°C to 85°C | 48-TFSOP | Active | 6679 Pcs |
| 74FCT16245ATPAG8 | Renesas Electronics | Non-Inverting | 2 | 8 | 3-State | 32mA, 64mA | 4.5V-5.5V | -40°C to 85°C | 48-TFSOP | Active | 6497 Pcs |
| 74FCT16245ATPVG | IDT | Non-Inverting | 2 | 8 | 3-State | 32mA, 64mA | 4.5V-5.5V | -40°C to 85°C | 48-BSSOP | Active | 1310 Pcs |
| 74FCT16245CTPAG | Renesas Electronics | Non-Inverting | 2 | 8 | 3-State | 32mA, 64mA | 4.5V-5.5V | -40°C to 85°C | 48-TFSOP | Active | 1319 Pcs |
| 74FCT16245CTPAG8 | Renesas Electronics | Non-Inverting | 2 | 8 | 3-State | 32mA, 64mA | 4.5V-5.5V | -40°C to 85°C | 48-TFSOP | Active | 3400 Pcs |
Engineering Selection Recommendations
For Direct Replacement (Same Package, Same Output Current): Select 74FCT162245ATPACT (Texas Instruments) or 74FCT162245CTPACT (Texas Instruments) for 48-TFSOP package with 24mA output current specification. Both maintain identical electrical and mechanical compatibility with the original PI74FCT162245ATAE. Texas Instruments parts offer higher inventory availability (3200 and 873 units respectively).
For Active Product Status with Enhanced Drive Capability: The 74FCT16245 series (74FCT16245ATPAG, 74FCT16245ATPAG8, 74FCT16245CTPAG, 74FCT16245CTPAG8) provides active product status with increased output current (32mA/64mA). These parts are functionally compatible within the 4.5V-5.5V supply range and offer superior long-term availability. The 48-TFSOP package variants maintain identical footprints to the original part.
For Alternative Package Footprint: The 74FCT162245ATPVCT (Cypress Semiconductor, 48-BSSOP package) and 74FCT162245ATPVG (Renesas Electronics, 48-BSSOP package) provide equivalent electrical performance with a wider package body (0.295" vs 0.240"). These are suitable for designs where PCB layout accommodates the larger footprint.
Compliance Considerations: All recommended substitutes maintain ROHS3 compliance and operate within the specified -40°C to 85°C temperature range. Moisture sensitivity levels are consistent across all options (MSL 1 or MSL 3), with MSL 1 parts offering unlimited shelf life.
Frequently Asked Questions (FAQ)
Q: Can I use 74FCT16245 series parts as direct replacements for 74FCT162245 parts?
A: Yes. Both series share identical logic type (non-inverting transceiver), element count (2), bit width (8 bits per element), output type (3-state), and supply voltage range (4.5V-5.5V). The 74FCT16245 series provides higher output current (32mA/64mA vs 24mA/24mA), which is a performance enhancement. Pin-to-pin compatibility is maintained for 48-TFSOP package variants.
Q: What is the difference between 48-TFSOP and 48-BSSOP packages?
A: Both are 48-pin surface mount packages with identical pin pitch and electrical connectivity. The primary difference is package body width: 48-TFSOP measures 0.240" (6.10mm) while 48-BSSOP measures 0.295" (7.50mm). PCB footprint and land pattern differ accordingly. Verify your design layout before selecting a package variant.
Q: Are obsolete product status parts suitable for new designs?
A: Obsolete parts have limited procurement windows and may become unavailable. For new designs, prioritize active product status substitutes such as 74FCT16245ATPAG, 74FCT16245ATPAG8, 74FCT16245CTPAG, or 74FCT16245CTPAG8. These offer equivalent functionality with confirmed long-term availability.
Q: Do all substitute parts meet the same compliance standards?
A: All listed substitutes maintain ROHS3 compliance and REACH unaffected status. Moisture sensitivity levels vary (MSL 1 with unlimited shelf life or MSL 3 with 168-hour limit). Verify specific compliance requirements for your application before final part selection.
Q: What inventory levels should I consider for procurement?
A: Current inventory ranges from 873 to 6679 units across all substitutes. For immediate availability, 74FCT16245ATPAG (6679 units) and 74FCT16245ATPAG8 (6497 units) offer the highest stock levels. Confirm current inventory status with your supplier before committing to production quantities.
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