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74ALVT162244DL,112 Equivalent & Substitute Parts
Part Overview
The 74ALVT162244DL,112 is a non-inverting buffer IC manufactured by NXP Semiconductors, designed for 3-state output logic applications in 48-SSOP surface mount packaging. This component features 4 elements with 4 bits per element, operating across supply voltages of 2.3V to 3.6V and temperature ranges from -40°C to 85°C. The product is 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 | 74ALVT162244DL,112 |
| Manufacturer | NXP Semiconductors |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 4 |
| Output Type | 3-State |
| Current - Output High, Low | 12mA, 12mA |
| Voltage - Supply | 2.3V ~ 2.7V, 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 48-BSSOP (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the 74ALVT162244DL,112 are grouped based on the following critical parameters that determine functional compatibility:
Primary Substitution Criteria:
- Logic Type: Buffer, Non-Inverting (must match)
- Number of Elements: 4 (must match)
- Number of Bits per Element: 4 (must match)
- Output Type: 3-State (must match)
- Voltage - Supply: 2.3V ~ 2.7V and 3V ~ 3.6V ranges (must overlap)
- Operating Temperature: -40°C ~ 85°C (TA) (must match)
- Mounting Type: Surface Mount (must match)
- RoHS Status: ROHS3 Compliant (must match)
Secondary Substitution Criteria (Package Variants):
- Package / Case: 48-BSSOP, 48-TSSOP, or 48-TVSOP (mechanical compatibility dependent on PCB layout)
- Current - Output High, Low: Variations permitted if application requirements are met
Substitute parts are available from Texas Instruments in the 74ALVTH series (enhanced version) and 74LVTH series (low-voltage variant). All substitutes maintain the core 4-element, 4-bit non-inverting buffer architecture with 3-state output capability.
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Elements | Bits/Element | Output Type | Current High/Low (mA) | Voltage Supply | Temp Range | Package | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 74ALVT162244DL,112 | NXP | Buffer, Non-Inv | 4 | 4 | 3-State | 12, 12 | 2.3-2.7V, 3-3.6V | -40 to 85°C | 48-BSSOP | Obsolete |
| SN74ALVTH162244DL | TI | Buffer, Non-Inv | 4 | 4 | 3-State | 8/12, 12/12 | 2.3-2.7V, 3-3.6V | -40 to 85°C | 48-BSSOP | Obsolete |
| SN74ALVTH162244GR | TI | Buffer, Non-Inv | 4 | 4 | 3-State | 8/12, 12/12 | 2.3-2.7V, 3-3.6V | -40 to 85°C | 48-TSSOP | Obsolete |
| SN74ALVTH162244LR | TI | Buffer, Non-Inv | 4 | 4 | 3-State | 8/12, 12/12 | 2.3-2.7V, 3-3.6V | -40 to 85°C | 48-BSSOP | Obsolete |
| SN74ALVTH162244VR | TI | Buffer, Non-Inv | 4 | 4 | 3-State | 8/12, 12/12 | 2.3-2.7V, 3-3.6V | -40 to 85°C | 48-TVSOP | Obsolete |
| SN74ALVTH16244DL | TI | Buffer, Non-Inv | 4 | 4 | 3-State | 32, 64 | 2.3-2.7V, 3-3.6V | -40 to 85°C | 48-BSSOP | Obsolete |
| SN74ALVTH16244DLR | TI | Buffer, Non-Inv | 4 | 4 | 3-State | 32, 64 | 2.3-2.7V, 3-3.6V | -40 to 85°C | 48-BSSOP | Obsolete |
| SN74ALVTH16244GR | TI | Buffer, Non-Inv | 4 | 4 | 3-State | 32, 64 | 2.3-2.7V, 3-3.6V | -40 to 85°C | 48-TSSOP | Obsolete |
| SN74ALVTH16244VR | TI | Buffer, Non-Inv | 4 | 4 | 3-State | 32, 64 | 2.3-2.7V, 3-3.6V | -40 to 85°C | 48-TVSOP | Obsolete |
| SN74LVTH162244DLR | TI | Buffer, Non-Inv | 4 | 4 | 3-State | 12, 12 | 2.7-3.6V | -40 to 85°C | 48-BSSOP | Active |
Engineering Selection Recommendations
Direct Equivalents (48-BSSOP Package): SN74ALVTH162244DL and SN74ALVTH162244LR from Texas Instruments provide the closest functional equivalence to the 74ALVT162244DL,112. Both maintain identical logic architecture, voltage supply ranges, temperature specifications, and package form factor. These parts are ROHS3 compliant and carry MSL 1 rating, matching the original specification.
Package Variant Substitutes: SN74ALVTH162244GR (48-TSSOP) and SN74ALVTH162244VR (48-TVSOP) offer functional equivalence with different package geometries. Selection depends on PCB layout constraints and available footprint space. All variants maintain the same electrical performance envelope.
Higher Current Output Variants: SN74ALVTH16244 series parts (DL, DLR, GR, VR) provide increased output current capability (32mA high, 64mA low) compared to the original 12mA specification. These are suitable for applications requiring higher drive capability while maintaining all other functional parameters.
Active Product Alternative: SN74LVTH162244DLR represents the only active product in this substitution family. This part operates at reduced voltage supply range (2.7V to 3.6V, excluding the 2.3V to 2.7V band) and is suitable for new designs where the lower voltage range is acceptable. ROHS3 compliance and MSL 1 rating are maintained.
All substitute parts are ROHS3 compliant, REACH unaffected, and carry identical ECCN and HTSUS classifications as the original part.
Frequently Asked Questions (FAQ)
Q: Can SN74ALVTH162244DL directly replace 74ALVT162244DL,112 without PCB modifications?
A: Yes. SN74ALVTH162244DL maintains identical pin configuration, package geometry (48-BSSOP), voltage supply ranges (2.3V-2.7V and 3V-3.6V), and operating temperature specifications. No PCB layout changes are required for direct substitution.
Q: What is the difference between 74ALVTH162244 and 74ALVTH16244 part numbers?
A: The 74ALVTH162244 series provides 12mA output current (high and low). The 74ALVTH16244 series provides higher output current capability at 32mA (high) and 64mA (low). Selection depends on application load requirements. Both maintain identical logic architecture and pin configuration.
Q: Are package variants (TSSOP, TVSOP) electrically interchangeable?
A: Yes, electrically interchangeable. Package variants differ only in physical dimensions and PCB footprint requirements. 48-BSSOP (0.295" width), 48-TSSOP (0.240" width), and 48-TVSOP (0.173" width) all provide identical electrical performance. PCB layout compatibility must be verified before selection.
Q: Why is SN74LVTH162244DLR listed as active while others are obsolete?
A: SN74LVTH162244DLR is the active continuation product from Texas Instruments. It operates at reduced voltage supply range (2.7V-3.6V only) compared to the original dual-range specification (2.3V-2.7V and 3V-3.6V). For new designs, this active part is recommended where the 2.7V minimum supply voltage is acceptable.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 (unlimited) moisture sensitivity rating, matching the original 74ALVT162244DL,112 specification.
Q: What inventory availability should be considered for production planning?
A: Current inventory levels vary by part number and packaging. SN74ALVTH162244GR shows highest availability (3300 pcs), while SN74ALVTH16244DLR shows lower availability (1070 pcs). Inventory status should be verified with suppliers for production scheduling requirements.
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