USBN9604SLB/NOPB

Controllers Overview

The USBN9604SLB/NOPB is a Universal Serial Bus Full Speed Node Controller compatible with USB Specification versions 1.0 and 1.1. It integrates a high-speed transceiver, a 3.3V regulator, a Serial Interface Engine (SIE), and seven endpoint pipes with dedicated FIFOs. The device supports an 8-bit parallel interface in multiplexed or non-multiplexed modes, as well as a MICROWIRE/PLUS serial interface. It features enhanced DMA support for automatic data handling. Electrical specifications include a supply voltage range of 3V to 5.5V, a maximum operating current of 30mA, and a commercial operating temperature range of 0°C to 70°C. The component is housed in a 28-pin CSP package measuring 5.5x4.5mm.

Controllers Feature Summary

• Integrates a full-speed USB node controller with an internal transceiver and 3.3V regulator
• Supports seven endpoint pipes with dedicated FIFOs for control, interrupt, bulk, and isochronous transfers
• Features an advanced Automatic DMA mechanism for CPU-independent data transfer
• Provides versatile interface options including 8-bit parallel and MICROWIRE/PLUS serial connections

Controllers Applications

• USB peripheral devices requiring full-speed connectivity
• Portable applications utilizing the small footprint CSP package
• Systems needing integrated USB transceiver and host controller interface

Controllers Procurement Notes

Verify the specific ordering suffix SLB to confirm the 28-CSP package configuration, as other suffixes indicate different physical packages. Confirm that the NOPB suffix denotes lead-free compliance if required by assembly standards. Check the manufacturer's lifecycle status, as this component may be designated as not recommended for new designs. Ensure the application circuit includes the required external 24 MHz crystal and decoupling capacitors specified in the datasheet.

Controllers Selection Notes

Select this component when a USB 1.0/1.1 compliant full-speed node controller is required with integrated PHY capabilities. The choice between the SLB and -28M packages depends on board space constraints versus pin-to-pin compatibility with legacy USBN9602 designs. Evaluate the need for the Automatic DMA feature to reduce processor load during large data transfers. Consider the 3V to 5.5V supply range for flexibility in system power architecture.

Controllers Part Context

This device belongs to the USBN9603/USBN9604 family of USB node controllers. The USBN9604 variant specifically refers to the device packaged in the 28-pin CSP format, whereas the USBN9603 typically denotes the SOIC package version. Both share identical functional characteristics and register maps, differing only in physical packaging and pinout geometry.

Controllers Replacement Considerations

The USBN9604-28M/NOPB is a pin-to-pin compatible alternative offering the same functionality in a standard SOIC package. For direct replacement in existing layouts designed for the older USBN9602-28M, the USBN9604-28M/NOPB serves as a drop-in upgrade.