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CD4001BCSJ Equivalent & Substitute Parts
Part Overview
The CD4001BCSJ is a 4-channel NOR gate logic IC manufactured by onsemi in 14-SOP surface mount packaging. This device operates across a wide supply voltage range of 3V to 15V and is designed for general-purpose digital logic applications requiring NOR gate functionality. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Logic Type | NOR Gate |
| Number of Circuits | 4 |
| Number of Inputs | 2 |
| Voltage Supply Range | 3V ~ 15V |
| Current - Quiescent (Max) | 1 µA |
| Current - Output High, Low | 3.4mA, 3.4mA |
| Input Logic Level - Low | 1.5V ~ 4V |
| Input Logic Level - High | 4.6V ~ 11V |
| Max Propagation Delay @ 15V, 50pF | 70ns |
| Operating Temperature Range | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.209", 5.30mm Width) |
| Series | 4000B |
Substitute Part Grouping Explanation
Substitution for the CD4001BCSJ is determined by the following critical parameters:
- Logic type (NOR gate with 4 channels, 2 inputs per channel)
- Supply voltage compatibility (minimum 3V to 15V overlap required)
- Input and output logic levels
- Operating temperature range overlap
- Propagation delay performance
- Surface mount packaging compatibility (14-SOIC or 14-SOP variants)
- Moisture sensitivity level (MSL 1 - Unlimited)
Substitute parts must maintain functional equivalence across these parameters. Parts are grouped by their product status and compliance certifications to facilitate selection based on application requirements and supply chain availability.
Parameter Comparison
| Part Number | Manufacturer | Voltage Supply | Quiescent Current (Max) | Output Current (High/Low) | Propagation Delay @ 15V, 50pF | Operating Temp | Package | Product Status |
|---|---|---|---|---|---|---|---|---|
| CD4001BCSJ | onsemi | 3V ~ 15V | 1 µA | 3.4mA / 3.4mA | 70ns | -55°C ~ 125°C | 14-SOIC (5.30mm) | Obsolete |
| BU4001BF-E2 | Rohm Semiconductor | 3V ~ 16V | 4 µA | 1.2mA / 3mA | 40ns @ 15V, 50pF | -40°C ~ 85°C | 14-SOIC (4.40mm) | Not For New Designs |
| CD4001BM | Texas Instruments | 3V ~ 18V | 1 µA | 3.4mA / 3.4mA | 90ns @ 15V, 50pF | -55°C ~ 125°C | 14-SOIC (3.90mm) | Active |
| CD4001BM96 | Harris Corporation | 3V ~ 18V | 1 µA | 3.4mA / 3.4mA | 90ns @ 15V, 50pF | -55°C ~ 125°C | 14-SOIC (3.90mm) | Active |
| CD4001BMT | Texas Instruments | 3V ~ 18V | 1 µA | 3.4mA / 3.4mA | 90ns @ 15V, 50pF | -55°C ~ 125°C | 14-SOIC (3.90mm) | Discontinued at DiGi Electronics |
| CD4001UBM | Texas Instruments | 3V ~ 18V | 1 µA | 3.4mA / 3.4mA | 50ns @ 15V, 50pF | -55°C ~ 125°C | 14-SOIC (3.90mm) | Last Time Buy |
| CD4001UBM96 | Texas Instruments | 3V ~ 18V | 1 µA | 3.4mA / 3.4mA | 50ns @ 15V, 50pF | -55°C ~ 125°C | 14-SOIC (3.90mm) | Active |
| CD4001UBMT | Texas Instruments | 3V ~ 18V | 1 µA | 3.4mA / 3.4mA | 50ns @ 15V, 50pF | -55°C ~ 125°C | 14-SOIC (3.90mm) | Discontinued at DiGi Electronics |
| HEC4001BT,112 | NXP USA Inc. | 3V ~ 15V | 1 µA | 3.4mA / 3.4mA | 40ns @ 15V, 50pF | -40°C ~ 125°C | 14-SOIC (3.90mm) | Active |
| HEC4001BT,118 | NXP USA Inc. | 3V ~ 15V | 1 µA | 3.4mA / 3.4mA | 40ns @ 15V, 50pF | -40°C ~ 125°C | 14-SOIC (3.90mm) | Active |
| HEF4001BT,652 | Nexperia USA Inc. | 3V ~ 15V | 1 µA | 3.4mA / 3.4mA | 40ns @ 15V, 50pF | -40°C ~ 125°C | 14-SOIC (3.90mm) | Obsolete |
Engineering Selection Recommendations
For new production designs, CD4001UBM96 (Texas Instruments, Active status) is the primary recommended substitute. This part maintains identical electrical characteristics to the original CD4001BCSJ, offers superior propagation delay performance (50ns vs 70ns), and carries active product status with RoHS3 compliance.
For applications requiring exact thermal performance matching, CD4001BM or CD4001BM96 provide equivalent quiescent current and output drive characteristics with extended supply voltage range (3V to 18V). Both maintain active status and RoHS3 compliance.
HEC4001BT,112 and HEC4001BT,118 (NXP USA Inc.) are functionally equivalent alternatives with active product status and RoHS3 compliance. These parts match the original supply voltage range (3V to 15V) and offer improved propagation delay (40ns).
Parts with discontinued or last-time-buy status (CD4001BMT, CD4001UBM, HEF4001BT,652) should be avoided for new designs unless existing inventory is available for legacy system maintenance.
BU4001BF-E2 (Rohm Semiconductor) is not recommended for new designs due to its "Not For New Designs" status, despite offering faster propagation delay performance.
Frequently Asked Questions (FAQ)
Q: Can CD4001UBM96 directly replace CD4001BCSJ in existing designs?
A: Yes. Both parts are 4-channel NOR gates with identical logic configuration (4 circuits, 2 inputs per channel), matching quiescent current (1 µA max), and equivalent output drive capability (3.4mA). The 14-SOIC package footprint is compatible. CD4001UBM96 offers improved propagation delay (50ns vs 70ns) and extended supply voltage range (3V to 18V vs 3V to 15V).
Q: What is the difference between CD4001BM, CD4001BM96, and CD4001UBM96?
A: All three are Texas Instruments 4-channel NOR gates with identical electrical performance. CD4001BM and CD4001BM96 have propagation delay of 90ns, while CD4001UBM96 offers faster 50ns delay. The "96" suffix indicates tape and reel packaging. CD4001UBM96 carries active product status, making it the preferred choice for ongoing production.
Q: Are there package compatibility concerns between substitute parts?
A: All substitute parts use 14-SOIC surface mount packaging. However, package body width varies: the original CD4001BCSJ uses 5.30mm width, while most substitutes use 3.90mm or 4.40mm width. This difference does not affect PCB footprint compatibility for standard 14-SOIC land patterns, but verify your specific PCB design accommodates the narrower body width if mechanical clearance is critical.
Q: Which substitute offers the best performance improvement?
A: CD4001UBM96 and HEC4001BT variants provide the fastest propagation delay (40-50ns vs 70ns original), representing 29-43% improvement. CD4001UBM96 is recommended for timing-critical applications while maintaining active product status.
Q: Are all substitutes RoHS3 compliant?
A: Most active and recently discontinued parts carry RoHS3 compliance. Verify compliance documentation for parts with obsolete or last-time-buy status. All listed substitutes meet REACH requirements and carry EAR99 export classification.
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