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74FCT162H952ATPACT Equivalent & Substitute Parts
Part Overview
The 74FCT162H952ATPACT is a non-inverting transceiver logic IC manufactured by Texas Instruments, featuring 2 elements with 8 bits per element and 3-state output capability. Designed for 4.5V to 5.5V supply operation, this component is classified as obsolete. Due to its obsolete status, identifying functionally equivalent substitute parts is essential for design continuity and procurement flexibility in applications requiring compatible transceiver functionality.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74FCT162H952ATPACT |
| Manufacturer | Texas Instruments |
| 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) |
| Package / Case | 56-TFSOP (0.240", 6.10mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the 74FCT162H952ATPACT are selected based on strict parametric equivalence across the following critical criteria:
- 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)
- Package / Case: 56-TFSOP (0.240", 6.10mm Width)
- Mounting Type: Surface Mount
All identified substitute parts maintain identical electrical and mechanical specifications, ensuring direct functional compatibility in circuit applications.
Parameter Comparison
| Parameter | 74FCT162H952ATPACT | 74ACT16543DGGR | 74FCT162543ATPACT | 74FCT162646CTPACT | 74FCT162652CTPACT |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Cypress Semiconductor Corp | Texas Instruments |
| Logic Type | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting |
| Number of Elements | 2 | 2 | 2 | 2 | 2 |
| Number of Bits per Element | 8 | 8 | 8 | 8 | 8 |
| Output Type | 3-State | 3-State | 3-State | 3-State | 3-State |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 56-TFSOP (0.240", 6.10mm Width) | 56-TFSOP (0.240", 6.10mm Width) | 56-TFSOP (0.240", 6.10mm Width) | 56-TFSOP (0.240", 6.10mm Width) | 56-TFSOP (0.240", 6.10mm Width) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active | Obsolete | Active | Obsolete |
Engineering Selection Recommendations
Selection among substitute parts should be based on product status and compliance requirements:
74ACT16543DGGR is the primary recommended substitute, offering active product status from Texas Instruments with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). This part provides long-term availability and supply chain stability.
74FCT162646CTPACT is an active alternative from Cypress Semiconductor Corp, suitable for applications where multi-source qualification is required. This part maintains all electrical and mechanical equivalence while offering active product status.
74FCT162543ATPACT and 74FCT162652CTPACT are obsolete alternatives that maintain full parametric equivalence but carry obsolete status, limiting their suitability for new designs requiring long-term component availability.
Frequently Asked Questions (FAQ)
Q: Can 74ACT16543DGGR directly replace 74FCT162H952ATPACT in existing designs?
A: Yes. Both parts are parametrically equivalent across all critical specifications: 2-element, 8-bit non-inverting transceiver with 3-state output, 24mA output current, 4.5V to 5.5V supply voltage, -40°C to 85°C operating temperature, and identical 56-TFSOP package. Direct substitution is electrically and mechanically compatible.
Q: What is the primary advantage of selecting an active product status substitute?
A: Active product status ensures ongoing manufacturing, documented long-term availability, and established supply chain support. Obsolete parts face discontinuation risk and limited procurement windows.
Q: Are there packaging differences between substitute parts?
A: No. All substitute parts use the 56-TFSOP (0.240", 6.10mm Width) surface mount package with identical pinout and mechanical dimensions, enabling direct PCB compatibility.
Q: Does the choice between Texas Instruments and Cypress Semiconductor Corp substitutes affect circuit performance?
A: No. Both manufacturers' parts meet identical electrical specifications for this transceiver function. Selection may be based on supply chain qualification, inventory availability, or multi-source design requirements.
Q: What compliance certifications apply to substitute parts?
A: The active substitute 74ACT16543DGGR carries ROHS3 compliance, REACH unaffected status, and MSL 1 (unlimited) moisture sensitivity level, meeting modern environmental and regulatory requirements.
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