| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| HCF4521BM1 | STMicroelectronics | Check for Price | Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16 | CD4521BM vs HCF4521BM1 |
| CD4521BNSRG4 | Texas Instruments | Check for Price | Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16 | CD4521BM vs CD4521BNSRG4 |
| CD4521BNSRE4 | Texas Instruments | Check for Price | Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16 | CD4521BM vs CD4521BNSRE4 |
| CD4521BME4 | Texas Instruments | Check for Price | Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16 | CD4521BM vs CD4521BME4 |
| CD4521BM96G4 | Texas Instruments | Check for Price | Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16 | CD4521BM vs CD4521BM96G4 |
| CD4521BMT | Texas Instruments | Check for Price | Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16 | CD4521BM vs CD4521BMT |
| 933406770652 | NXP Semiconductors | Check for Price | Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16 | CD4521BM vs 933406770652 |
| CD4521BMTE4 | Texas Instruments | Check for Price | Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16 | CD4521BM vs CD4521BMTE4 |
Part Details for CD4521BM by Texas Instruments
Results Overview of CD4521BM by Texas Instruments
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (8 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (8 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Energy and Power Systems
CD4521BM Information
CD4521BM by Texas Instruments is a Counter.
Counters are under the broader part category of Logic Components.
Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.
Price & Stock for CD4521BM
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-32929-5-ND
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DigiKey | IC DIVIDER BY 2 24-BIT 16SOIC Min Qty: 1 Container: Tube |
478 Tube |
|
$0.6022 / $1.1200 | Buy Now |
|
DISTI #
86277069
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Verical | Frequency Divider -55°C to 125°C 16-Pin SOIC Tube RoHS: Compliant Min Qty: 410 Package Multiple: 1 Date Code: 1101 | Americas - 2340 |
|
$0.7593 / $0.9148 | Buy Now |
|
DISTI #
86277804
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Verical | Frequency Divider -55°C to 125°C 16-Pin SOIC Tube RoHS: Compliant Min Qty: 410 Package Multiple: 1 Date Code: 1201 | Americas - 1799 |
|
$0.7593 / $0.9148 | Buy Now |
|
DISTI #
86277195
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Verical | Frequency Divider -55°C to 125°C 16-Pin SOIC Tube RoHS: Compliant Min Qty: 410 Package Multiple: 1 Date Code: 1501 | Americas - 1080 |
|
$0.7593 / $0.9148 | Buy Now |
|
|
Rochester Electronics | Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16 RoHS: Compliant Status: Obsolete Min Qty: 1 | 5400 |
|
$0.4537 / $0.7318 | Buy Now |
US Tariff Estimator: CD4521BM by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
CD4521BM CAD Models
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CD4521BM Part Data Attributes
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CD4521BM
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
CD4521BM
Texas Instruments
Binary Counter, 4000/14000/40000 Series, Asynchronous, Negative Edge Triggered, 24-Bit, Up Direction, CMOS, PDSO16
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Package Description | Soic-16 | |
| Pin Count | 16 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Additional Feature | Outputs From Last 7 Stages Available | |
| Count Direction | Up | |
| Family | 4000/14000/40000 | |
| JESD-30 Code | R-PDSO-G16 | |
| JESD-609 Code | e4 | |
| Length | 9.9 Mm | |
| Load Capacitance (CL) | 50 Pf | |
| Load/Preset Input | No | |
| Logic IC Type | Binary Counter | |
| Max Frequency@Nom-Sup | 2000000 Hz | |
| Max I(ol) | 0.0024 A | |
| Mode of Operation | Asynchronous | |
| Moisture Sensitivity Level | 1 | |
| Number of Bits | 24 | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP16,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Packing Method | Tube | |
| Peak Reflow Temperature (Cel) | 260 | |
| Power Supply Current-Max (ICC) | 3 Ma | |
| Prop. Delay@Nom-Sup | 4500 Ns | |
| Propagation Delay (tpd) | 12000 Ns | |
| Qualification Status | Not Qualified | |
| Schmitt Trigger | No | |
| Seated Height-Max | 1.75 Mm | |
| Supply Voltage-Max (Vsup) | 18 V | |
| Supply Voltage-Min (Vsup) | 3 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Cmos | |
| Temperature Grade | Military | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Trigger Type | Negative Edge | |
| Width | 3.9 Mm | |
| fmax-Min | 6.5 Mhz |
Alternate Parts for CD4521BM
This table gives cross-reference parts and alternative options found for CD4521BM. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of CD4521BM, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
CD4521BM Frequently Asked Questions (FAQ)
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The recommended operating voltage range for the CD4521BM is 4.5V to 5.5V, although it can operate from 3V to 18V with reduced performance.
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Unused inputs on the CD4521BM should be tied to a logic level (VCC or GND) to prevent floating inputs, which can cause unpredictable behavior.
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The maximum frequency of operation for the CD4521BM is typically around 10MHz, although this can vary depending on the specific application and operating conditions.
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Yes, the CD4521BM can be used in a 3.3V system, but the output voltage levels may not be as high as those in a 5V system, and the device may not meet the specified propagation delay times.
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To ensure proper operation, the CD4521BM should be powered from a stable, low-noise power supply, and decoupling capacitors should be used to filter out noise and voltage spikes.