IS25LQ040B-JBLA3-TR – Serial NOR Flash – ISSI

The ISSI IS25LQ040B-JBLA3-TR is a 4 Mbit (512K x 8) Quad I/O SPI Serial NOR Flash memory in an 8-lead SOIC package, rated for the automotive (A3) temperature grade. Available for RFQ at Pacific Component Xchange.

The IS25LQ040B-JBLA3-TR from ISSI (Integrated Silicon Solution, Inc.) is a 4 Mbit (512 Kbyte) Serial NOR Flash memory featuring a Multi-I/O SPI interface. Organized as 512K x 8, it delivers a flexible, low-pin-count non-volatile storage solution for code-shadow, boot, and parameter-storage applications. The “-JB” suffix denotes the 8-lead SOIC (208 mil) package, the “-A3” suffix denotes the automotive temperature grade, and the “-TR” suffix indicates tape-and-reel packaging for automated assembly.

Key Features

• 4 Mbit / 512 Kbyte density, organized as 512K x 8
• Standard SPI plus Dual and Quad Multi-I/O SPI interface
• 104 MHz maximum SPI clock frequency
• Single 2.3 V to 3.6 V power supply
• 256-byte programmable page
• 4 Kbyte uniform sector erase plus 32/64 Kbyte block and full-chip erase
• More than 100,000 erase/program cycles endurance
• More than 20-year data retention
• Deep power-down mode with low standby current
• 8-lead SOIC package, tape-and-reel
• Automotive (A3) temperature grade: -40 °C to +125 °C

Applications

• Automotive electronics and ECU code/parameter storage
• Embedded boot and firmware code-shadow memory
• Industrial control and instrumentation
• Networking and telecom equipment
• IoT and connected-device firmware storage
• Consumer and white-goods appliances

Why Source IS25LQ040B-JBLA3-TR from Pacific Component Xchange

The IS25LQ040B-JBLA3-TR is a specialized automotive-grade variant with little to no authorized-distributor availability, making it difficult to source through conventional channels. Pacific Component Xchange is an independent distributor focused on hard-to-find and obsolete memory, with current access to inventory on this part. We support authenticity verification and quality screening, serve global supply chains with worldwide shipping, and provide responsive quoting for production and prototype quantities. Request a quote (RFQ) today to lock in pricing and lead time on IS25LQ040B-JBLA3-TR while stock lasts.