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CD4016BM Equivalent & Substitute Parts
Part Overview
The CD4016BM is a bilateral FET switch IC manufactured by Texas Instruments, classified as a logic component in the 4000B series. It features 1 x 1:1 circuit configuration with 4 independent circuits, housed in a 14-SOIC surface mount package. The device operates across a dual supply voltage range of 3V to 18V and maintains functionality from -55°C to 125°C. Currently designated as Last Time Buy status, the CD4016BM requires alternative sourcing for new designs and ongoing production requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Base Product Number | CD4016 |
| Type | Bilateral, FET Switches |
| Circuit Configuration | 1 x 1:1 |
| Independent Circuits | 4 |
| Voltage Supply Source | Dual Supply |
| Voltage - Supply Range | 3V ~ 18V |
| Operating Temperature | -55°C ~ 125°C |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the CD4016BM is determined by the following critical parameters: circuit type (bilateral FET switch vs. SPST switch), number of independent circuits (4), package compatibility (14-SOIC form factor), voltage supply range (3V to 18V dual supply), and operating temperature range (-55°C to 125°C). Substitute parts are grouped into three categories:
Direct Manufacturer Equivalents maintain identical electrical specifications and packaging, differing only in product status or packaging format (tube vs. cut tape).
Parametric Equivalents provide functionally similar switching capability with 4 circuits in 14-SOIC packaging but may feature different on-state resistance values, bandwidth specifications, or leakage characteristics. These parts satisfy the core switching function within the specified voltage and temperature ranges.
Cross-Manufacturer Alternatives from onsemi, Nexperia, and Rohm Semiconductor offer equivalent switching functionality with comparable electrical performance, though some variants exhibit narrower operating temperature ranges or different on-state resistance specifications.
Parameter Comparison
| Part Number | Manufacturer | Type | Circuits | Voltage Supply | Operating Temp | Package | Product Status | On-State Resistance (Max) |
|---|---|---|---|---|---|---|---|---|
| CD4016BM | Texas Instruments | Bilateral, FET Switches | 4 | 3V ~ 18V | -55°C ~ 125°C | 14-SOIC | Last Time Buy | - |
| CD4016BM96 | Texas Instruments | Bilateral, FET Switches | 4 | 3V ~ 18V | -55°C ~ 125°C | 14-SOIC | Active | - |
| MC14066BDR2G | onsemi | Bilateral, FET Switches | 4 | 3V ~ 18V | -55°C ~ 125°C | 14-SOIC | Active | - |
| CD4066BM | Texas Instruments | 4 Circuit IC Switch 1:1 | 4 | 3V ~ 18V | -55°C ~ 125°C | 14-SOIC | Last Time Buy | 240Ohm |
| BU4066BCF-E2 | Rohm Semiconductor | 4 Circuit IC Switch 1:1 | 4 | 3V ~ 18V | -40°C ~ 85°C | 14-SOP | Active | 280Ohm |
| HEF4016BT,653 | Nexperia USA Inc. | 4 Circuit IC Switch 1:1 | 4 | 4.5V ~ 15.5V | -40°C ~ 85°C | 14-SOIC | Active | 350Ohm |
| HEF4016BT,652 | Nexperia USA Inc. | 4 Circuit IC Switch 1:1 | 4 | 4.5V ~ 15.5V | -40°C ~ 85°C | 14-SOIC | Obsolete | 350Ohm |
| MC14016BDG | onsemi | 4 Circuit IC Switch 1:1 | 4 | 3V ~ 18V | -55°C ~ 125°C | 14-SOIC | Active | 400Ohm |
| MC14066BDG | onsemi | Bilateral, FET Switches | 4 | 3V ~ 18V | -55°C ~ 125°C | 14-SOIC | Active | - |
Engineering Selection Recommendations
Primary Recommendation: CD4016BM96
The CD4016BM96 is the direct Texas Instruments equivalent with Active product status. It maintains identical electrical specifications, voltage supply range (3V to 18V), operating temperature range (-55°C to 125°C), and 14-SOIC packaging. This part is the preferred choice for direct replacement with maximum inventory availability (30,877 pcs).
Secondary Recommendation: MC14066BDR2G
The MC14066BDR2G from onsemi provides equivalent bilateral FET switch functionality with identical voltage and temperature specifications. Active product status and substantial inventory (55,300 pcs) ensure long-term availability. This part is suitable for applications requiring cross-manufacturer sourcing flexibility.
Alternative for Extended Temperature Range: MC14016BDG
The MC14016BDG maintains the full -55°C to 125°C operating temperature range with 3V to 18V dual supply operation. Active status and 14-SOIC packaging provide compatibility, though on-state resistance is specified at 400Ohm maximum.
Restricted Alternatives: HEF4016BT,653 and BU4066BCF-E2
The HEF4016BT,653 (Nexperia) and BU4066BCF-E2 (Rohm) are functionally compatible but feature narrower operating temperature ranges (-40°C to 85°C) and reduced voltage supply ranges. These parts are suitable only for applications operating within these restricted parameters. HEF4016BT,652 is obsolete and should not be selected for new designs.
Not Recommended: HEF4016BT,652
This Nexperia part carries Obsolete status and should be avoided for new production.
Frequently Asked Questions (FAQ)
Q: Can CD4016BM96 be used as a direct replacement for CD4016BM?
A: Yes. CD4016BM96 is the direct Texas Instruments equivalent with identical electrical specifications, voltage supply range, operating temperature range, and 14-SOIC packaging. The only difference is packaging format (cut tape vs. tube) and active product status.
Q: What is the difference between bilateral FET switches and SPST switches in this product line?
A: Bilateral FET switches (CD4016BM, CD4016BM96, MC14066BDR2G, MC14066BDG) provide bidirectional signal switching capability. SPST (Single Pole Single Throw) switches (CD4066BM, BU4066BCF-E2, HEF4016BT variants, MC14016BDG) provide unidirectional switching. Selection depends on application requirements for signal direction.
Q: Are the Nexperia HEF4016BT variants suitable for industrial temperature applications?
A: No. HEF4016BT,653 and HEF4016BT,652 operate only from -40°C to 85°C, which is narrower than the CD4016BM range of -55°C to 125°C. These parts are unsuitable for industrial or military temperature applications requiring the full -55°C to 125°C range.
Q: Does the Rohm BU4066BCF-E2 meet the voltage supply requirements of the CD4016BM?
A: The BU4066BCF-E2 operates across 3V to 18V, matching the CD4016BM voltage range. However, its operating temperature range is limited to -40°C to 85°C. Verify application temperature requirements before selection.
Q: What is the significance of on-state resistance differences among substitute parts?
A: On-state resistance affects signal attenuation and power dissipation during switching. CD4016BM specifies this parameter as not provided (-). Substitute parts with specified on-state resistance (CD4066BM at 240Ohm, BU4066BCF-E2 at 280Ohm, HEF4016BT at 350Ohm, MC14016BDG at 400Ohm) will exhibit different signal characteristics. Verify application signal integrity requirements before substitution.
Q: Is the 14-SOP package of BU4066BCF-E2 compatible with 14-SOIC PCB layouts?
A: No. Although both are 14-pin packages, 14-SOP (0.173", 4.40mm width) and 14-SOIC (0.154", 3.90mm width) have different pitch and body dimensions. PCB footprint redesign is required for BU4066BCF-E2 substitution.
Q: Which substitute parts are recommended for new design starts?
A: CD4016BM96 (Texas Instruments, Active status) or MC14066BDR2G (onsemi, Active status) are recommended for new designs. Both maintain full electrical compatibility with the original CD4016BM specification and carry Active product status ensuring long-term availability.
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