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74FCT16244ATPVG Equivalent & Substitute Parts
Part Overview
The 74FCT16244ATPVG is a non-inverting buffer logic IC manufactured by Renesas Electronics Corporation, designed for 16-bit buffering and driver applications in 48-SSOP surface mount packaging. This component features 4 elements with 4 bits per element and 3-state output capability, operating across a 4.5V to 5.5V supply voltage range. 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 |
|---|---|
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 4 |
| 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) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution for the 74FCT16244ATPVG is determined by strict equivalence across the following critical parameters:
- Logic type: Buffer, Non-Inverting
- Element and bit configuration: 4 elements, 4 bits per element
- Output configuration: 3-State
- Supply voltage range: 4.5V ~ 5.5V
- Operating temperature range: -40°C ~ 85°C
- Package type: 48-BSSOP surface mount
- Output current capability: 32mA (high), 64mA (low)
Substitute parts must maintain identical functional specifications and package compatibility. Parts with different output current ratings, voltage ranges, or package dimensions are listed separately as they require design verification before implementation.
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Elements / Bits | Output Type | Current (H/L) | Voltage Supply | Temp Range | Package | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| 74FCT16244ATPVG | Renesas Electronics | Buffer, Non-Inverting | 4 / 4 | 3-State | 32mA, 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Obsolete | 2400 Pcs |
| CY74FCT16244ATPVCT | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 32mA, 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Obsolete | 1434 Pcs |
| 74FCT162244ATPVCT | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 24mA, 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Obsolete | 995 Pcs |
| 74FCT162244CTPVCT | Cypress Semiconductor | Buffer, Non-Inverting | 4 / 4 | 3-State | 24mA, 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Active | 2200 Pcs |
| 74FCT162H244CTPVC | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 24mA, 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Obsolete | 2060 Pcs |
| CY74FCT162244ATPVC | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 24mA, 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Obsolete | 1528 Pcs |
| CY74FCT162244CTPVC | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 24mA, 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Obsolete | 1596 Pcs |
| CY74FCT162244TPVC | Cypress Semiconductor | Buffer, Non-Inverting | 4 / 4 | 3-State | 24mA, 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Active | 1806 Pcs |
| CY74FCT162244TPVCT | Cypress Semiconductor | Buffer, Non-Inverting | 4 / 4 | 3-State | 24mA, 24mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Active | 2311 Pcs |
| M74LCX16244DTR2G | onsemi | Buffer, Non-Inverting | 4 / 4 | 3-State | 24mA, 24mA | 2V ~ 3.6V | -40°C ~ 85°C | 48-TFSOP | Active | 3687 Pcs |
Engineering Selection Recommendations
Direct substitutes maintaining full electrical and mechanical compatibility with the 74FCT16244ATPVG are limited to CY74FCT16244ATPVCT (Texas Instruments). This part matches the specified 32mA/64mA output current ratings, 4.5V to 5.5V supply voltage, and 48-BSSOP package geometry. Both parts are classified as obsolete, requiring inventory planning for long-term availability.
For new designs or systems where output current requirements can be reduced to 24mA/24mA, the following active-status alternatives are available:
CY74FCT162244TPVCT and CY74FCT162244TPVC (Cypress Semiconductor) maintain the 4.5V to 5.5V supply voltage and 48-BSSOP package while offering active product status and improved long-term availability. These parts are functionally compatible with reduced drive capability.
74FCT162244CTPVCT (Cypress Semiconductor) provides active product status with identical electrical specifications to the reduced-current alternatives and represents the most viable long-term solution for production systems.
The M74LCX16244DTR2G (onsemi) operates at a different voltage range (2V to 3.6V) and uses a 48-TFSOP package variant. This part is not electrically or mechanically compatible with the 74FCT16244ATPVG and requires complete circuit redesign for implementation.
All recommended substitutes maintain ROHS3 compliance and EAR99 export classification consistent with the original part.
Frequently Asked Questions (FAQ)
Q: Can CY74FCT16244ATPVCT be used as a direct replacement for 74FCT16244ATPVG?
A: Yes. CY74FCT16244ATPVCT matches all critical electrical parameters: 32mA/64mA output current, 4.5V to 5.5V supply voltage, 4-element 4-bit configuration, 3-state output, and 48-BSSOP package. Both parts are obsolete, requiring inventory verification before procurement.
Q: What is the difference between 74FCT16244 and 74FCT162244 variants?
A: The 74FCT162244 series specifies reduced output current ratings (24mA/24mA) compared to the 74FCT16244 series (32mA/64mA). Both maintain identical logic configuration, voltage range, temperature range, and package type. Selection depends on circuit drive requirements.
Q: Is M74LCX16244DTR2G compatible with 74FCT16244ATPVG?
A: No. The M74LCX16244DTR2G operates at 2V to 3.6V supply voltage and uses a 48-TFSOP package, both incompatible with the 74FCT16244ATPVG specification. Circuit redesign is required for this substitution.
Q: Why are some substitutes listed as active while others are obsolete?
A: Product status reflects manufacturer discontinuation status. Active parts (Cypress Semiconductor CY74FCT162244 series) offer improved long-term availability for new designs. Obsolete parts require inventory planning and may face future supply constraints.
Q: Can reduced output current parts (24mA/24mA) replace the original 32mA/64mA specification?
A: Reduced current parts are compatible only if circuit load requirements do not exceed 24mA output capability. System design review is necessary to confirm adequate drive margin before substitution.
Q: Are all substitute parts ROHS3 compliant?
A: All listed substitutes maintain ROHS3 compliance consistent with the original 74FCT16244ATPVG specification.
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