IS25CQ032-JFLE Equivalent & Substitute Parts

Part Overview

The IS25CQ032-JFLE is a 32Mbit SPI Flash memory IC manufactured by ISSI (Integrated Silicon Solution Inc). This non-volatile memory device operates at 104 MHz and is housed in an 8-SOIC package, making it suitable for embedded systems, data storage, and firmware applications requiring reliable flash memory with SPI interface connectivity. The part maintains Active product status with 772 units in current inventory. Substitute parts are identified when equivalent memory capacity, interface protocol, voltage specifications, and thermal operating ranges align with the original component's electrical and mechanical requirements.

Substiute Parts

IS25CQ032-JFLE

ISSI, Integrated Silicon Solution IncIn Stock: 785IS25CQ032-JFLE Datasheet

Current PartRFQ

SST26VF032B-104V/SM

Microchip TechnologyIn Stock: 20579SST26VF032B-104V/SM Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the IS25CQ032-JFLE is determined by the following critical parameters:

• Memory Capacity: 32Mbit (4M x 8 organization) is the primary functional requirement
• Memory Interface: SPI protocol compatibility, including standard SPI or SPI with extended I/O modes
• Voltage Supply Range: 2.7V ~ 3.6V operating window must be maintained
• Operating Temperature Range: -40°C ~ 105°C thermal specification
• Package Compatibility: 8-SOIC form factor with 0.209" (5.30mm) width
• Compliance Standards: ROHS3 compliance and REACH unaffected status

The SST26VF032B-104V/SM meets all substitution criteria through equivalent memory capacity, compatible SPI interface (with extended Quad I/O capability), matching voltage and temperature specifications, and identical package footprint.

Parameter Comparison

Engineering Selection Recommendations

Both the IS25CQ032-JFLE and SST26VF032B-104V/SM maintain Active product status with full ROHS3 compliance and REACH unaffected certification. The SST26VF032B-104V/SM offers improved write cycle performance (1.5ms versus 4ms) and superior moisture sensitivity rating (MSL 1 versus MSL 3), providing enhanced reliability in humid storage and operational environments. The SST26VF032B-104V/SM's Quad I/O interface capability provides backward compatibility with standard SPI protocols while enabling higher-speed data transfer when supported by the host system. Both devices are suitable for direct substitution in applications where the electrical and thermal specifications are met.

Frequently Asked Questions (FAQ)

Q: Can the SST26VF032B-104V/SM replace the IS25CQ032-JFLE in existing designs?

A: Yes. Both devices share identical memory capacity (32Mbit), voltage supply range (2.7V ~ 3.6V), operating temperature range (-40°C ~ 105°C), and package footprint (8-SOIC, 0.209" width). The SST26VF032B-104V/SM's SPI - Quad I/O interface is backward compatible with standard SPI protocol implementations.

Q: What is the difference between SPI and SPI - Quad I/O interfaces?

A: Standard SPI uses single-line data transmission. SPI - Quad I/O extends this capability to four parallel data lines, enabling higher data throughput when supported by the host controller. The SST26VF032B-104V/SM operates in standard SPI mode when Quad I/O is not enabled, ensuring compatibility with existing SPI implementations.

Q: Are there package differences between these parts?

A: Both parts use 8-pin SOIC packages with identical 0.209" (5.30mm) width. The IS25CQ032-JFLE uses 8-SOIC packaging, while the SST26VF032B-104V/SM uses 8-SOIJ packaging. These designations refer to the same physical form factor and are mechanically interchangeable.

Q: What does Moisture Sensitivity Level (MSL) indicate?

A: MSL defines the maximum time a component can be exposed to moisture before soldering. The IS25CQ032-JFLE has MSL 3 (168 hours), while the SST26VF032B-104V/SM has MSL 1 (unlimited). Lower MSL ratings indicate superior moisture resistance and longer shelf life without desiccant storage requirements.

Q: Are both parts RoHS compliant?

A: Yes. Both the IS25CQ032-JFLE and SST26VF032B-104V/SM are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for commercial and industrial applications.