CD4521BNSRAlternatives & Equivalent Parts
About CD4521BNSR
CD4521BNSR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | CD4521BNSRSource | CD4521BMT | CD4060BF | AP2171FMG-7 | CD4521BM96 | CD4521BM |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Diodes Inc. | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Ceramic Dual-In-Line Packages | Small Outline No-lead | Small Outline Packages | Small Outline Packages |
| Pin Count | 16 | 16 | 16 | 6 | 16 | 16 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | $0.1911 | $0.5145 | — | $0.1817 | $0.2623 | $0.4316 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | — | Yes | Yes | Yes | — |
| YTEOL | 15 | 0 | 15 | 7 | 15 | 0 |
| Additional Feature | OUTPUTS FROM LAST 7 STAGES AVAILABLE | OUTPUTS FROM LAST 7 STAGES AVAILABLE | OUTPUTS FROM 10 STAGES AVAILABLE; BUILT-IN OSCILLATOR | CURRENT LIMIT:1.9A; THERMAL SHUTDOWN:140C | OUTPUTS FROM LAST 7 STAGES AVAILABLE | OUTPUTS FROM LAST 7 STAGES AVAILABLE |
| Count Direction | UP | UP | UP | — | UP | UP |
| Family | 4000/14000/40000 | 4000/14000/40000 | 4000/14000/40000 | — | 4000/14000/40000 | 4000/14000/40000 |
| JESD-30 Code | R-PDSO-G16 | R-PDSO-G16 | R-GDIP-T16 | R-PDSO-N6 | R-PDSO-G16 | R-PDSO-G16 |
| JESD-609 Code | e4 | e4 | e0 | — | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF | 50 pF | — | 50 pF | 50 pF |
| Load/Preset Input | NO | NO | NO | — | NO | NO |
| Logic IC Type | BINARY COUNTER | BINARY COUNTER | BINARY COUNTER | — | BINARY COUNTER | BINARY COUNTER |
| Max Frequency@Nom-Sup | 2000000 Hz | 2000000 Hz | 3500000 Hz | — | 2000000 Hz | 2000000 Hz |
| Max I(ol) | 0.0024 A | 0.0024 A | 0.0015 A | — | 0.0024 A | 0.0024 A |
| Mode of Operation | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | — | ASYNCHRONOUS | ASYNCHRONOUS |
| Number of Bits | 24 | 24 | 14 | — | 24 | 24 |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.3 | SOP16,.25 | DIP16,.3 | SOLCC6,.07,20 | SOP16,.25 | SOP16,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | TR | TUBE | — | TR | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | 260 | 260 |
| Power Supply Current-Max (ICC) | 3 mA | 3 mA | 0.03 mA | — | 3 mA | 3 mA |
| Prop. Delay@Nom-Sup | 4500 ns | 4500 ns | 300 ns | — | 4500 ns | 4500 ns |
| Propagation Delay (tpd) | 12000 ns | 12000 ns | 740 ns | — | 12000 ns | 12000 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified |
| Schmitt Trigger | NO | NO | — | — | NO | NO |
| Supply Voltage-Max (Vsup) | 18 V | 18 V | 18 V | 5.5 V | 18 V | 18 V |
| Supply Voltage-Min (Vsup) | 3 V | 3 V | 3 V | 2.7 V | 3 V | 3 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | NO | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | — | CMOS | CMOS |
| Temperature Grade | MILITARY | MILITARY | MILITARY | — | MILITARY | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Lead (Sn/Pb) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | THROUGH-HOLE | NO LEAD | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 2.54 mm | 0.5 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | NOT SPECIFIED | — | 30 | 30 | NOT SPECIFIED |
| Trigger Type | NEGATIVE EDGE | NEGATIVE EDGE | NEGATIVE EDGE | — | NEGATIVE EDGE | NEGATIVE EDGE |
| fmax-Min | 6.5 MHz | 6.5 MHz | 12 MHz | — | 6.5 MHz | 6.5 MHz |
| ## CD4521BNSR Alternates Showing results | Image | — | — | — | — | — |
| ## CD4060BF Alternates Showing results | — | — | Image | — | — | — |
| Factory Lead Time | — | — | — | 12 Weeks | — | — |
| Adjustable Threshold | — | — | — | NO | — | — |
| Analog IC - Other Type | — | — | — | LOAD SWITCH | — | — |
| Number of Channels | — | — | — | 1 | — | — |
| Threshold Voltage-Nom | — | — | — | +1.9V | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for CD4521BNSR — response within 24 hours.
Quick Links
Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16
suggested
Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16
Why Look for Alternatives?
Finding alternatives for CD4521BNSR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating CD4521BNSR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to CD4521BNSR?
Known equivalents for CD4521BNSR include CD4521BMT, CD4060BF, AP2171FMG-7. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of CD4521BNSR?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify CD4521BNSR alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.