AT43USB325E-AU
- Mfr.Part #
- AT43USB325E-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-LQFP
- Datasheet
- Download
- Description
- IC USB KEYBOARD CTRLR 64LQFP
- Stock
- 42,197
- In Stock :
- 42,197
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- Manufacturer :
- Microchip Technology
- Product Category :
- Application Specific Microcontrollers
- PWM Channels :
- yes
- Terminal Form :
- Gull wing
- Manufacturer :
- Atmel Corporation
- Qualification Status :
- Not Qualified
- Bit Size :
- 8
- RoHS Status :
- ROHS3 Compliant
- Published :
- 2005
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Interface :
- SPI, 3-Wire Serial
- Number of I/O :
- 42
- Applications :
- Keyboard Controller
- Base Part Number :
- AT43USB325
- Subcategory :
- Microcontrollers
- HTS Code :
- 8542.31.00.01
- Has ADC :
- No
- Voltage - Supply :
- 4.4V~5.25V
- Core Processor :
- AVR
- Product Status :
- Obsolete
- Pin Count :
- 64
- Temperature Grade :
- Industrial
- Surface Mount :
- yes
- DAC Channels :
- No
- Packaging :
- Tray
- Package / Case :
- 64-LQFP
- ROM (words) :
- 16384
- Speed :
- 12 MHz
- Supplier Device Package :
- 64-LQFP (10x10)
- JESD-609 Code :
- e3
- Length :
- 10 mm
- Reach Compliance Code :
- Unknown
- Base Product Number :
- AT43USB325
- Controller Series :
- AT43USB
- Series :
- AVR®
- Program Memory Type :
- SRAM (16kB)
- RAM Size :
- 512 x 8
- RAM (bytes) :
- 512
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Terminal Position :
- QUAD
- Package Shape :
- Square
- ROM Programmability :
- MROM
- Package :
- Tray
- Supply Current-Max :
- 40 mA
- Terminal Pitch :
- 0.5 mm
- Width :
- 10 mm
- Terminal Finish :
- Matte Tin (Sn)
- JESD-30 Code :
- S-PQFP-G64
- DMA Channels :
- No
- Power Supplies :
- 5 V
- Technology :
- CMOS
- Mounting Type :
- Surface Mount
- Seated Height-Max :
- 1.6 mm
- Operating Temperature :
- -40°C~85°C
- Number of Terminals :
- 64
- CPU Family :
- AVR RISC
- Number of I/O Lines :
- 39
- Peak Reflow Temperature (Cel) :
- 260
- Datasheets
- AT43USB325E-AU
AT43USB325E-AU Documents

Application Specific Microcontrollers Microchip Technology AT43USB325E-AU Overview
The AT43USB325E-AU from Microchip Technology is a cutting-edge Application Specific Microcontroller designed specifically for managing complex USB keyboard interfaces. This IC provides a robust solution for developers looking to integrate USB keyboard functionality into their hardware with high efficiency and reliability. The AT43USB325E-AU simplifies the design process by reducing the need for multiple components, thereby streamlining production and reducing costs. Its integration capabilities make it an excellent choice for manufacturers aiming to enhance their product offerings with advanced USB keyboard control features.
AT43USB325E-AU Features
The AT43USB325E-AU boasts several key features that make it a premier choice for developers. It supports full-speed USB interface and is compliant with USB 2.0 specifications, ensuring compatibility with a wide range of devices. The microcontroller is housed in a 64LQFP package, offering a compact footprint that is ideal for space-constrained applications. Additionally, its built-in oscillator and EEPROM interface facilitate easier and more flexible hardware design, while its low power consumption enhances the overall energy efficiency of the end product.
AT43USB325E-AU Applications
- PC Keyboards: Easily integrates into desktop and laptop keyboard designs, enhancing the user interface experience with reliable USB connectivity.
- Industrial Control Panels: Utilized in the manufacturing of control panels where robust USB interface solutions are required to ensure reliable data transmission and device control.
- Gaming Peripherals: Ideal for gaming keyboards and other interactive input devices, providing fast response times and customizable options for a competitive edge.
- Point of Sale (POS) Systems: Applied in POS keyboards, enhancing transaction processes with efficient and secure data input capabilities.
- Medical Equipment: Used in medical devices requiring high-reliability keyboard inputs, ensuring accurate data entry under critical conditions.
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