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74ABT162244CSSC Equivalent & Substitute Parts
Part Overview
The 74ABT162244CSSC is a non-inverting buffer logic IC manufactured by onsemi, featuring 4 elements with 4 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, equivalent substitute parts from active manufacturers are necessary to ensure design continuity and long-term component availability for new production runs and system maintenance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74ABT162244CSSC |
| Manufacturer | onsemi |
| Series | 74ABT |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 4 |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 12mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 48-BSSOP (0.295", 7.50mm Width) |
| Product Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the 74ABT162244CSSC is determined by the following critical parameters:
- Logic Function: Buffer, Non-Inverting with 4 elements, 4 bits per element, 3-state output
- Electrical Specifications: Supply voltage 4.5V ~ 5.5V, operating temperature -40°C ~ 85°C
- Output Current Capability: Minimum 12mA low output current required
- Package Compatibility: 48-pin surface mount packages (BSSOP, TSSOP, TVSOP variants acceptable)
- Product Status: Active manufacturer status preferred for long-term availability
Substitute parts are grouped into two categories based on package type: 48-BSSOP (same as original) and 48-TSSOP/48-TVSOP (smaller footprint alternatives). All substitutes maintain identical logic functionality and electrical operating parameters.
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Elements / Bits | Output Type | Current High/Low (mA) | Supply Voltage | Temp Range | Package | Status |
|---|---|---|---|---|---|---|---|---|---|
| 74ABT162244CSSC | onsemi | Buffer, Non-Inverting | 4 / 4 | 3-State | 32 / 12 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Obsolete |
| SN74ABT162244DL | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 12 / 12 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Active |
| SN74ABT162244DLR | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 12 / 12 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-BSSOP | Active |
| 74ABT162244DGG,118 | NXP USA Inc. | Buffer, Non-Inverting | 4 / 4 | 3-State | 32 / 12 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TSSOP | Active |
| SN74ABT162244DGG | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 12 / 12 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TSSOP | Active |
| SN74ABT162244DGGR | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 12 / 12 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TSSOP | Active |
| SN74ABT162244DGVR | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 12 / 12 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TVSOP | Active |
| 74ABT16244ADGG,118 | NXP Semiconductors | Buffer, Non-Inverting | 4 / 4 | 3-State | 32 / 64 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TSSOP | Active |
| SN74ABT16244ADGG | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 32 / 64 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TSSOP | Active |
| SN74ABT16244ADGGR | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 32 / 64 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TSSOP | Active |
| SN74ABT16244ADGVR | Texas Instruments | Buffer, Non-Inverting | 4 / 4 | 3-State | 32 / 64 | 4.5V ~ 5.5V | -40°C ~ 85°C | 48-TVSOP | Active |
Engineering Selection Recommendations
Direct Package Replacement (48-BSSOP)
SN74ABT162244DL and SN74ABT162244DLR from Texas Instruments provide direct footprint compatibility with the original 74ABT162244CSSC. Both parts maintain the 48-BSSOP package format and are classified as active products with ROHS3 compliance. The DLR variant includes tape and reel packaging for automated assembly environments.
Compact Package Alternatives (48-TSSOP)
For designs permitting PCB layout modifications, 48-TSSOP packages reduce board space by approximately 18% compared to 48-BSSOP. The 74ABT162244DGG,118 (NXP USA Inc.) and SN74ABT162244DGG (Texas Instruments) are functionally equivalent with active product status. The SN74ABT162244DGGR variant includes tape and reel packaging.
High-Current Output Variants (48-TSSOP/48-TVSOP)
The 74ABT16244ADGG,118 (NXP Semiconductors) and SN74ABT16244ADGG (Texas Instruments) provide enhanced output current capability (32mA high, 64mA low) compared to standard variants. These are suitable for applications requiring higher drive capability. The SN74ABT16244ADGGR and SN74ABT16244ADGVR variants include tape and reel packaging in TSSOP and TVSOP formats respectively.
Ultra-Compact Package Option (48-TVSOP)
The SN74ABT162244DGVR and SN74ABT16244ADGVR reduce package width to 4.40mm (48-TVSOP), enabling space-constrained designs. Both are active products with ROHS3 compliance and tape and reel packaging.
All recommended substitutes maintain the 4.5V to 5.5V supply voltage range, -40°C to 85°C operating temperature, and 3-state output functionality of the original part.
Frequently Asked Questions (FAQ)
Q: Can SN74ABT162244DL directly replace 74ABT162244CSSC without PCB modification?
A: Yes. Both parts use the 48-BSSOP package with identical pin assignments and electrical specifications. No PCB layout changes are required. The primary difference is product status
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