Part Details for N87C521 by Rochester Electronics LLC
Results Overview of N87C521 by Rochester Electronics LLC
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- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Applications
Consumer Electronics
Internet of Things (IoT)
Industrial Automation
Smart Cities
Renewable Energy
Robotics and Drones
N87C521 Information
N87C521 by Rochester Electronics LLC is a Microcontroller.
Microcontrollers are under the broader part category of Microcontrollers and Processors.
Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.
Part Details for N87C521
N87C521 CAD Models
N87C521 Part Data Attributes
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N87C521
Rochester Electronics LLC
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Datasheet
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N87C521
Rochester Electronics LLC
Microcontroller, 8-Bit, OTPROM, 12MHz, CMOS, PQCC44, PLASTIC, LCC-44
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ROCHESTER ELECTRONICS LLC | |
| Part Package Code | LCC | |
| Package Description | PLASTIC, LCC-44 | |
| Pin Count | 44 | |
| Reach Compliance Code | unknown | |
| HTS Code | 8542.31.00.01 | |
| Has ADC | NO | |
| Address Bus Width | 16 | |
| Bit Size | 8 | |
| Clock Frequency-Max | 12 MHz | |
| DAC Channels | NO | |
| DMA Channels | NO | |
| External Data Bus Width | 8 | |
| JESD-30 Code | S-PQCC-J44 | |
| JESD-609 Code | e0 | |
| Length | 16.5862 mm | |
| Number of I/O Lines | 32 | |
| Number of Terminals | 44 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| PWM Channels | NO | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | QCCJ | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER | |
| ROM Programmability | OTPROM | |
| Seated Height-Max | 4.445 mm | |
| Speed | 12 MHz | |
| Supply Voltage-Max | 5.5 V | |
| Supply Voltage-Min | 4.5 V | |
| Surface Mount | YES | |
| Technology | CMOS | |
| Temperature Grade | COMMERCIAL | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | J BEND | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | QUAD | |
| Width | 16.5862 mm | |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
N87C521 Frequently Asked Questions (FAQ)
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The recommended oscillator frequency for the N87C521 is between 3 MHz and 12 MHz, with a typical frequency of 11.0592 MHz.
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The UART baud rate on the N87C521 can be configured by setting the Timer 1 overflow rate to the desired baud rate. The formula to calculate the Timer 1 overflow rate is: (F_CPU / (16 * baud_rate)) - 1, where F_CPU is the oscillator frequency.
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The maximum current rating for the I/O ports on the N87C521 is 15 mA per pin, with a total current limit of 100 mA for all I/O ports combined.
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The N87C521 has a built-in watchdog timer that can be enabled by setting the WDTE bit in the Watchdog Timer Control Register (WDTC). The watchdog timer can be configured to timeout after 16, 32, 64, or 128 machine cycles.
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The minimum operating voltage for the N87C521 is 4.0 V, and the maximum operating voltage is 5.5 V.