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74ACT11032DBRG4 Equivalent & Substitute Parts
Part Overview
The 74ACT11032DBRG4 is a 4-channel 2-input OR gate logic IC manufactured by Texas Instruments in a 16-SSOP surface mount package. This component is classified as obsolete, though 956 units remain available in new original stock. The part operates within a 4.5V to 5.5V supply voltage range and is designed for standard logic applications requiring OR gate functionality.
Due to its obsolete status, identifying compatible substitute parts is essential for ongoing design support, production continuity, and long-term component availability. The 74AC11032DBR provides an active alternative with enhanced electrical specifications and broader supply voltage compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Logic Type | OR Gate |
| Number of Circuits | 4 |
| Number of Inputs | 2 |
| Voltage - Supply | 4.5V ~ 5.5V (Main Part) |
| Package / Case | 16-SSOP (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the 74ACT11032DBRG4 is determined by the following critical parameters:
- Logic Function: Both parts implement identical 4-channel 2-input OR gate functionality
- Package Type: Both use 16-SSOP surface mount packaging with identical physical dimensions (0.209", 5.30mm width)
- Pin Configuration: Identical pin count and arrangement enable direct PCB compatibility
- Operating Temperature Range: Both support -40°C to 85°C operation
- Compliance Standards: Both are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99
The 74AC11032DBR qualifies as a direct substitute based on these matching parameters. The primary distinction lies in product status (active vs. obsolete) and expanded supply voltage range (3V ~ 5.5V vs. 4.5V ~ 5.5V), which provides superior design flexibility without compromising compatibility.
Parameter Comparison
| Parameter | 74ACT11032DBRG4 (Main) | 74AC11032DBR (Substitute) |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Series | 74ACT | 74AC |
| Product Status | Obsolete | Active |
| Logic Type | OR Gate | OR Gate |
| Number of Circuits | 4 | 4 |
| Number of Inputs | 2 | 2 |
| Voltage - Supply | 4.5V ~ 5.5V | 3V ~ 5.5V |
| Current - Quiescent (Max) | 4 µA | 4 µA |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA |
| Max Propagation Delay @ 5V, 50pF | 8.1ns | 6.2ns |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SSOP (0.209", 5.30mm Width) | 16-SSOP (0.209", 5.30mm Width) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The 74AC11032DBR is the appropriate substitute for the obsolete 74ACT11032DBRG4 based on the following engineering criteria:
Product Status: The 74AC11032DBR maintains active production status, ensuring long-term availability and supply chain reliability. The 74ACT11032DBRG4 is obsolete, presenting risk for future procurement and design support.
Regulatory Compliance: Both parts maintain identical ROHS3 compliance, REACH unaffected status, and EAR99 classification, satisfying regulatory requirements without modification.
Functional Equivalence: Identical logic gate configuration, pin count, and package dimensions enable direct replacement without PCB redesign or layout modification.
Performance Enhancement: The 74AC11032DBR delivers improved propagation delay (6.2ns vs. 8.1ns at 5V, 50pF), providing timing margin benefits in existing designs.
Supply Voltage Flexibility: The expanded 3V to 5.5V supply range of the 74AC11032DBR accommodates broader system voltage requirements compared to the 4.5V to 5.5V specification of the main part.
Frequently Asked Questions (FAQ)
Q: Can the 74AC11032DBR replace the 74ACT11032DBRG4 in existing designs without PCB modification?
A: Yes. Both parts use identical 16-SSOP packaging with matching pin configurations and physical dimensions. Direct PCB substitution is possible without layout changes.
Q: What is the primary advantage of switching to the 74AC11032DBR?
A: The 74AC11032DBR is in active production status, ensuring reliable long-term availability. The 74ACT11032DBRG4 is obsolete. Additionally, the substitute offers improved propagation delay performance and extended supply voltage range (3V minimum vs. 4.5V minimum).
Q: Are there any electrical parameter differences that affect circuit operation?
A: The quiescent current, output drive capability, and operating temperature range are identical. The 74AC11032DBR provides faster propagation delay (6.2ns vs. 8.1ns) and accepts lower minimum supply voltage (3V vs. 4.5V), both favorable characteristics for system compatibility.
Q: Do both parts meet the same regulatory and compliance standards?
A: Yes. Both the 74ACT11032DBRG4 and 74AC11032DBR are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes.
Q: What packaging format is the 74AC11032DBR supplied in?
A: The 74AC11032DBR is supplied in Tape & Reel (TR) format, standard for high-volume surface mount assembly operations.
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