Z1601720ASC1868TR

Specialized Overview

The Z1601720ASC1868TR is a PCMCIA interface solution manufactured by Zilog. It operates within a 3.0V to 5.5V power supply range and supports speeds up to 20MHz. The device features 256 bytes of on-chip RAM for attribute memory and is housed in a 100-pin VQFP package. It conforms to PCMCIA standards and includes an internal EEPROM sequencer for configuration.

Specialized Feature Summary

• Supports PCMCIA Configuration Registers and ATA/IDE translation modes
• Includes an internal EEPROM sequencer for automatic configuration via serial EEPROM
• Features Serial Peripheral Interface (SPI) circuitry for microprocessor control in slave mode
• Provides low power dissipation and conforms to PCMCIA standards

Specialized Applications

• PCMCIA adapter chips used on the card side of the interface
• Configuration for Ethernet controllers, UARTs, modems, and rotating disk memory
• Stand-alone configurations without local processors using external serial EEPROM

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pinout variations or environmental ratings. Confirm availability status as legacy components may be discontinued. Ensure compatibility with system voltage requirements between 3.0V and 5.5V before integration.

Specialized Selection Notes

Select this component for applications requiring direct PCMCIA interface adaptation without complex host processor intervention. Consider the master mode for autonomous operation with external EEPROM or slave mode for dynamic configuration by a local microprocessor. Verify package constraints for the 100-pin VQFP form factor.

Specialized Part Context

This part belongs to the Z86017/Z16017 family of general-purpose PCMCIA adapter chips. The Z16017 variant specifically supports on-chip generation of IOIS16 in I/O mode. Mirror image bond-out options are available as Z86M17 and Z16M17 for alternative layout needs.

Specialized Replacement Considerations

Check for mirror image variants Z86M17 or Z16M17 if pinout orientation requires inversion. No direct functional substitutes are documented; verify mechanical and electrical compatibility with existing designs.