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74LVC16244APAG8 Equivalent & Substitute Parts
Part Overview
The 74LVC16244APAG8 is a non-inverting buffer logic IC manufactured by Renesas Electronics Corporation, designed for 3-state output applications in low-voltage digital systems. This 48-TSSOP surface mount device operates across a 2.7V to 3.6V supply range and provides 4 elements with 4 bits per element configuration. The part is currently active in production with RoHS3 compliance and unlimited moisture sensitivity rating. Equivalent and substitute parts are identified to address supply chain continuity, alternative sourcing options, and specific application requirements such as extended temperature ranges or automotive qualification.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 4 |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 48-TFSOP (0.240", 6.10mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the 74LVC16244APAG8 is determined by the following critical parameters:
Mandatory Compatibility Parameters:
- Logic Type: Buffer, Non-Inverting
- Number of Elements: 4
- Number of Bits per Element: 4
- Output Type: 3-State
- Package / Case: 48-TFSOP (0.240", 6.10mm Width)
- Mounting Type: Surface Mount
Allowable Variation Parameters:
- Voltage - Supply: Minimum 2.0V acceptable; maximum 3.6V required
- Operating Temperature: Extended ranges to -40°C ~ 125°C acceptable
- Current - Output High, Low: 12mA minimum acceptable; 24mA equivalent or higher acceptable
- Manufacturer: Multiple qualified sources acceptable
- Packaging Format: Tape & Reel (TR), Bulk, or Cut Tape (CT) acceptable
- Product Status: Active or Last Time Buy acceptable
- Compliance: RoHS3 and REACH compliance required
Substitute parts must maintain identical functional architecture and pinout compatibility while accommodating variations in electrical performance margins and operational temperature ranges.
Parameter Comparison
| Part Number | Manufacturer | Series | Voltage Supply | Operating Temp | Output Current (H/L) | Product Status | Packaging |
|---|---|---|---|---|---|---|---|
| 74LVC16244APAG8 | Renesas Electronics | 74LVC | 2.7V ~ 3.6V | -40°C ~ 85°C | 24mA, 24mA | Active | Tape & Reel (TR) |
| 74LCX162244MTDX | Fairchild Semiconductor | 74LCX | 2V ~ 3.6V | -40°C ~ 85°C | 12mA, 12mA | Active | Bulk |
| 74LCX16244MTD | onsemi | 74LCX | 2V ~ 3.6V | -40°C ~ 85°C | 24mA, 24mA | Last Time Buy | Tube |
| 74LCXH16244MTDX | onsemi | 74LCXH | 2V ~ 3.6V | -40°C ~ 85°C | 24mA, 24mA | Last Time Buy | Tape & Reel (TR) |
| 74LVC162244ADGG:11 | Nexperia USA Inc. | 74LVC | 1.2V ~ 3.6V | -40°C ~ 125°C | 12mA, 12mA | Active | Tape & Reel (TR) |
| 74LVC16244ADGG,112 | NXP Semiconductors | 74LVC | 1.2V ~ 3.6V | -40°C ~ 125°C | 24mA, 24mA | Active | Bulk |
| 74LVC16244ADGG,118 | NXP Semiconductors | 74LVC | 1.2V ~ 3.6V | -40°C ~ 125°C | 24mA, 24mA | Active | Bulk |
| 74LVC16244ADGG-Q1J | Nexperia USA Inc. | 74LVC | 1.2V ~ 3.6V | -40°C ~ 125°C | 24mA, 24mA | Active | Tape & Reel (TR) |
| 74LVCH162244ADGG,1 | Nexperia USA Inc. | 74LVCH | 1.2V ~ 3.6V | -40°C ~ 125°C | 12mA, 12mA | Active | Tape & Reel (TR) |
| 74LVCH16244ADGGRG4 | Texas Instruments | 74LVCH | 1.65V ~ 3.6V | -40°C ~ 125°C | 24mA, 24mA | Discontinued at DiGi Electronics | Tape & Reel (TR) |
| CLVC16244AIDGGREP | Texas Instruments | 74LVC | 1.65V ~ 3.6V | -40°C ~ 85°C | 24mA, 24mA | Active | Cut Tape (CT) & Digi-Reel® |
Engineering Selection Recommendations
Primary Substitutes (Active Status, Full Compatibility):
74LVC16244ADGG,118 and 74LVC16244ADGG,112 from NXP Semiconductors are direct functional equivalents with extended operating temperature range (-40°C ~ 125°C) and wider supply voltage tolerance (1.2V ~ 3.6V). Both maintain 24mA output current specification and RoHS3 compliance. These parts offer superior thermal performance for applications requiring extended temperature operation.
74LVC16244ADGG-Q1J from Nexperia USA Inc. provides automotive-grade qualification (AEC-Q100) with identical electrical specifications to the NXP variants, suitable for automotive and mission-critical applications requiring enhanced reliability documentation.
Secondary Substitutes (Active Status, Reduced Output Current):
74LVC162244ADGG:11 from Nexperia USA Inc. and 74LVCH162244ADGG,1 from Nexperia USA Inc. feature reduced output current (12mA) but maintain extended temperature range and lower minimum supply voltage (1.2V). These are suitable for applications where output current margin is not critical and lower power consumption is beneficial.
74LCX162244MTDX from Fairchild Semiconductor provides 12mA output current with standard temperature range, suitable for cost-optimized designs where thermal performance is not a constraint.
Transitional Substitutes (Last Time Buy Status):
74LCX16244MTD from onsemi and 74LCXH16244MTDX from onsemi are available but designated Last Time Buy. These maintain full electrical compatibility but should be considered only for immediate requirements with planned migration to active-status alternatives.
Discontinued Parts (Not Recommended):
74LVCH16244ADGGRG4 from Texas Instruments is discontinued at DiGi Electronics and should not be selected for new designs despite active inventory availability.
Frequently Asked Questions (FAQ)
Q: Can 74LCX series parts directly replace the 74LVC16244APAG8?
A: Yes. 74LCX162244MTDX and 74LCX16244MTD maintain identical logic architecture, element count, bit configuration, and 3-state output type. Both operate within the required 48-TFSOP package. The 74LCX series operates at lower minimum supply voltage (2V vs. 2.7V) and maintains -40°C ~ 85°C temperature range. Output current differs: 74LCX162244MTDX provides 12mA while 74LCX16244MTD provides 24mA matching the original specification.
Q: What is the difference between 74LVC and 74LVCH series substitutes?
A: Both series maintain identical functional architecture and package compatibility. The 74LVCH series (74LVCH162244ADGG,1 and 74LVCH16244ADGGRG4) provides 12mA output current versus 24mA in comparable 74LVC variants. The 74LVCH series extends operating temperature to -40°C ~ 125°C. Selection depends on output current margin requirements and thermal operating envelope.
Q: Are NXP and Nexperia parts interchangeable?
A: Yes. NXP Semiconductors and Nexperia USA Inc. parts (74LVC16244ADGG,118, 74LVC162244ADGG:11, 74LVC16244ADGG-Q1J, 74LVCH162244ADGG,1) are functionally equivalent with identical pinout and logic operation. Both manufacturers produce 74LVC and 74LVCH series logic buffers to the same specifications. Nexperia offers automotive-qualified variants (AEC-Q100) through the -Q1J suffix designation.
Q: What packaging options are available for substitutes?
A: Substitute parts are available in Tape & Reel (TR), Bulk, Tube, and Cut Tape (CT) & Digi-Reel® formats. All maintain the 48-TFSOP physical package. Selection of packaging format depends on assembly process requirements and order quantity. Tape & Reel is standard for automated assembly; Bulk is typical for high-volume orders.
Q: Do all substitutes maintain RoHS3 compliance?
A: Yes. All listed substitute parts carry RoHS3 compliance certification. REACH compliance status is consistent across all alternatives (REACH Unaffected). Moisture sensitivity level is uniformly rated at MSL 1 (Unlimited) or MSL 2 (1 Year), both acceptable for standard handling and storage.
Q: Which substitute offers the widest operating temperature range?
A: 74LVC16244ADGG-Q1J, 74LVC16244ADGG,118, 74LVC16244ADGG,112, 74LVC162244ADGG:11, 74LVCH162244ADGG,1, and 74LVCH16244ADGGRG4 all operate across -40°C ~ 125°C, extending 40°C above the original 74LVC16244APAG8 specification. This extended range is suitable for industrial and automotive applications.
Q: Can I use parts with lower output current (12mA) in place of the 24mA specification?
A: Substitution with 12mA output current parts (74LCX162244MTDX, 74LVC162244ADGG:11, 74LVCH162244ADGG,1) is permissible only if circuit load impedance and fanout requirements do not exceed 12mA capability. Verify load current requirements before selection. If original design assumes 24mA availability, 12mA variants may cause signal integrity degradation.
Q: What is the significance of the automotive-qualified variant (74LVC16244ADGG-Q1J)?
A: The -Q1J suffix indicates AEC-Q100 automotive qualification, providing enhanced reliability documentation and qualification testing suitable for automotive applications. This variant maintains identical electrical specifications to standard 74LVC16244ADGG,118 but includes automotive-grade manufacturing and test protocols.
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