CY22E016L-SZ45XI

Memory IC Overview

The CY22E016L-SZ45XI is a 16 Kbit (2K x 8) nonvolatile static RAM manufactured by Infineon Technologies. It features a 45 ns access time and operates on a single 5V power supply within the 4.5V to 5.5V range. The device utilizes QuantumTrap technology for data retention, supporting infinite read/write/recall cycles and up to one million STORE cycles. It includes automatic STORE functionality triggered by power loss using an external capacitor, as well as hardware STORE control via the HSB pin. The component is housed in a 28-pin SOIC package.

Memory IC Feature Summary

• Integrates SRAM with QuantumTrap nonvolatile elements for parallel data storage and recall
• Supports automatic STORE operations upon power down without software intervention
• Provides hardware-controlled STORE capability through the dedicated HSB pin
• Ensures data protection against corruption during low voltage conditions

Memory IC Applications

• Data logging systems requiring persistent memory
• Industrial control applications needing reliable state retention
• Embedded systems with hot-swappable power requirements

Memory IC Procurement Notes

Verify the specific suffix 'I' confirms the industrial temperature range of -40°C to +85°C. Confirm the 'SZ' designation matches the required 28-pin SOIC package dimensions. Ensure the ordering code aligns with the 45 ns speed grade specified in the official Infineon documentation before finalizing procurement.

Memory IC Selection Notes

Select this component when infinite read/write endurance is required alongside nonvolatile data retention. It is suitable for designs needing fast SRAM performance with automatic backup capabilities. Consider the external capacitor requirement for AutoStore operation and the available interface pins for system integration.

Memory IC Part Context

This part belongs to the CY22E016L nvSRAM family, which combines standard static RAM with nonvolatile storage. The series offers various speed grades and temperature ranges. The specific model integrates Cypress Semiconductor's QuantumTrap technology, now managed under Infineon Technologies following corporate acquisitions.

Memory IC Replacement Considerations

CY22E016L-SZ45XC

Memory IC FAQ

How is the STORE operation initiated automatically?

The device initiates a STORE operation automatically when the VCC voltage drops below the switch threshold (VSWITCH), utilizing charge stored in an external capacitor connected to the VCAP pin.

What is the function of the HSB pin?

The HSB pin allows for hardware-initiated STORE operations and indicates when a STORE cycle is in progress by driving the signal low.