IS21EF08G-JCLI-TR

• Managed NAND Flash in eMMC form, 8 Gigabit Density
• 2.7V to 3.6V Supply at 3.3V nominal, 45 mA Maximum Supply Current
• Interface Clock Up to 200 Megahertz
• 153-Ball FBGA, 13mm by 11.5mm, 1mm Seated height, 500um Ball Pitch
• -40C to 85C Industrial Operating Range
• In production, RoHS compliant, REACH SVHC Declared

The ISSI IS21EF08G-JCLI-TR is an 8Gb managed NAND flash device in a 153-ball FBGA measuring 13mm by 11.5mm with a 1mm maximum seated height at 500um ball pitch. eMMC is managed NAND: the flash controller, wear levelling, bad-block management and error correction all sit inside the package, so the host sees a simple block storage device instead of raw flash it would have to manage itself. The device runs from a 2.7V to 3.6V supply at 3.3V nominal, at up to 200 MHz with 45 mA maximum supply current, across a -40C to 85C industrial range. Note the record's Interface field reads only 'Serial' with no eMMC revision recorded and holds no density attribute at all - the 8Gb figure comes from the product title - and REACH SVHC is flagged Yes.

An 8Gb eMMC provides the boot and application storage for embedded systems running a compact Linux or RTOS image: industrial gateways and HMI panels, networking equipment, set-top and streaming devices, point-of-sale terminals, medical instruments and automotive modules. Designers choose eMMC over raw NAND to avoid implementing and validating a flash translation layer, and over a small SSD because it solders down at a fraction of the cost and board area. The -40C industrial low-temperature grade is the differentiating specification for cabinet, outdoor and in-vehicle installations where a commercial-grade part would be out of specification. At this density the storage is sized for firmware and configuration rather than bulk media, which is where the majority of embedded designs actually sit.