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CD40106BCM Equivalent & Substitute Parts
Part Overview
The CD40106BCM is a 6-channel inverter IC with Schmitt trigger inputs manufactured by onsemi in the 4000B logic series. This device features a 14-SOIC package and operates across a supply voltage range of 3V to 15V. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | CD40106BCM |
|---|---|
| Manufacturer | onsemi |
| Logic Type | Inverter |
| Number of Circuits | 6 |
| Number of Inputs | 1 |
| Features | Schmitt Trigger |
| Voltage - Supply | 3V ~ 15V |
| Current - Quiescent (Max) | 4 µA |
| Current - Output High, Low | 3.4mA, 3.4mA |
| Input Logic Level - Low | 0.7V ~ 2.1V |
| Input Logic Level - High | 4.3V ~ 12.9V |
| Max Propagation Delay @ 15V, 50pF | 160ns |
| Operating Temperature | -55°C ~ 125°C |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the CD40106BCM is determined by the following critical parameters:
- Logic Function: All substitutes must be 6-channel inverter ICs with Schmitt trigger inputs
- Package Type: Primary substitutes maintain the 14-SOIC (0.154", 3.90mm Width) package for direct PCB compatibility
- Supply Voltage Range: The original part operates at 3V ~ 15V; substitutes with extended ranges (3V ~ 18V or 3V ~ 20V) are compatible
- Input/Output Logic Levels: Substitutes must accommodate the input and output voltage thresholds of the original design
- Propagation Delay: Maximum delay specifications determine timing-critical applications
- Operating Temperature: All substitutes maintain the -55°C ~ 125°C range
- Electrical Characteristics: Output current drive and quiescent current must be evaluated for circuit requirements
Substitutes are grouped into two categories: direct replacements from active manufacturers and alternative package variants from the same base product families.
Parameter Comparison
| Part Number | Manufacturer | Supply Voltage | Quiescent Current (Max) | Output Current (High/Low) | Propagation Delay @ 15V, 50pF | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|
| CD40106BCM | onsemi | 3V ~ 15V | 4 µA | 3.4mA / 3.4mA | 160ns | 14-SOIC (0.154") | Obsolete | Not Specified |
| MC14106BDG | onsemi | 3V ~ 18V | 1 µA | 8.8mA / 8.8mA | 80ns | 14-SOIC (0.154") | Active | ROHS3 Compliant |
| MC14106BDR2G | onsemi | 3V ~ 18V | 1 µA | 8.8mA / 8.8mA | 80ns | 14-SOIC (0.154") | Active | ROHS3 Compliant |
| CD40106BM | Texas Instruments | 3V ~ 18V | 4 µA | 3.4mA / 3.4mA | 120ns | 14-SOIC (0.154") | Active | ROHS3 Compliant |
| CD40106BM96 | Texas Instruments | 3V ~ 18V | 4 µA | 3.4mA / 3.4mA | 120ns | 14-SOIC (0.154") | Active | ROHS3 Compliant |
| CD40106BM96G4 | Texas Instruments | 3V ~ 18V | 4 µA | 3.4mA / 3.4mA | 120ns | 14-SOIC (0.154") | Discontinued at DiGi Electronics | ROHS3 Compliant |
| CD40106BMT | Texas Instruments | 3V ~ 18V | 4 µA | 3.4mA / 3.4mA | 120ns | 14-SOIC (0.154") | Discontinued at DiGi Electronics | ROHS3 Compliant |
| CD40106BNSR | Texas Instruments | 3V ~ 18V | 4 µA | 3.4mA / 3.4mA | 120ns | 14-SO (0.209") | Active | ROHS3 Compliant |
| HCF40106YM013TR | STMicroelectronics | 3V ~ 20V | 20 µA | 6.8mA / 6.8mA | 120ns | 14-SO (0.154") | Active | ROHS3 Compliant |
| HEC40106BT,112 | NXP USA Inc. | 3V ~ 15V | 1 µA | 3.4mA / 3.4mA | 60ns | 14-SO (0.154") | Active | ROHS3 Compliant |
| HEC40106BT,118 | NXP USA Inc. | 3V ~ 15V | 1 µA | 3.4mA / 3.4mA | 60ns | 14-SO (0.154") | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility)
MC14106BDG and MC14106BDR2G from onsemi are active, ROHS3-compliant alternatives with identical logic function and package footprint. These parts offer improved performance with lower quiescent current (1 µA vs. 4 µA), faster propagation delay (80ns vs. 160ns), and extended supply voltage range (3V ~ 18V). Both are available in high inventory quantities.
CD40106BM and CD40106BM96 from Texas Instruments maintain the same electrical characteristics as the original CD40106BCM with matching output current specifications. These parts are active and ROHS3-compliant, with faster propagation delay (120ns) and extended supply voltage range (3V ~ 18V).
Secondary Substitutes (Package Variant)
CD40106BNSR from Texas Instruments is functionally equivalent but uses a wider 14-SO package (0.209" width) instead of the standard 14-SOIC (0.154" width). This part is active and ROHS3-compliant but requires PCB layout verification for pin spacing compatibility.
Alternative Substitutes (Extended Specifications)
HCF40106YM013TR from STMicroelectronics is an automotive-grade part (AEC-Q100 qualified) with extended supply voltage range (3V ~ 20V) and higher output current drive (6.8mA). Higher quiescent current (20 µA) may impact low-power applications.
HEC40106BT,112 and HEC40106BT,118 from NXP USA Inc. are active alternatives with the lowest quiescent current (1 µA) and fastest propagation delay (60ns). Supply voltage range is limited to 3V ~ 15V, matching the original specification.
Discontinued Parts
CD40106BM96G4 and CD40106BMT are discontinued at DiGi Electronics and should not be selected for new designs despite remaining inventory availability.
Frequently Asked Questions (FAQ)
Q: Can MC14106BDG replace CD40106BCM directly on the PCB?
A: Yes. Both parts use the 14-SOIC (0.154", 3.90mm Width) package with identical pin assignments. The MC14106BDG is pin-compatible and functionally equivalent, with improved electrical performance.
Q: What is the difference between CD40106BM96 and CD40106BM96G4?
A: Both parts are electrically identical with matching specifications. CD40106BM96G4 is discontinued at DiGi Electronics, while CD40106BM96 remains in active distribution. For new designs, select CD40106BM96.
Q: Is CD40106BNSR compatible with the original CD40106BCM design?
A: CD40106BNSR is functionally equivalent but uses a wider 14-SO package (0.209" width) compared to the standard 14-SOIC (0.154" width). Pin spacing differs, requiring PCB layout verification before substitution.
Q: Which substitute offers the best performance improvement?
A: MC14106BDG provides the most significant performance gains with 50% faster propagation delay (80ns vs. 160ns), 75% lower quiescent current (1 µA vs. 4 µA), and 2.6× higher output current drive (8.8mA vs. 3.4mA), while maintaining full pin compatibility.
Q: Can HCF40106YM013TR be used in automotive applications?
A: HCF40106YM013TR is specifically qualified for automotive use (AEC-Q100) and is suitable for automotive-grade designs. Standard industrial-grade substitutes (MC14106BDG, CD40106BM) are not automotive-qualified.
Q: What is the supply voltage compatibility range for substitutes?
A: The original CD40106BCM operates at 3V ~ 15V. Most active substitutes extend this to 3V ~ 18V, providing broader supply voltage flexibility. HCF40106YM013TR extends to 3V ~ 20V. All substitutes maintain the 3V minimum threshold.
Q: Are all recommended substitutes ROHS3-compliant?
A: Yes. All active substitutes listed are ROHS3-compliant. The original CD40106BCM does not specify RoHS status due to its obsolete status.
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