The Highlights of RM540

Compliance with the standard of JEDEC eMMC 5.1 Version, and support SDR/DDR/HS200/HS400 interface modes.
Supports SLC caching.
Supports FFU firmware upgrade.
High-performance, high-quality solutions oriented to OEM partners have been delivered to more than 10 million applications.

High Performance

RM540 supports HS400 interface mode and SLC caching. Moreover, thanks to its originative firmware architecture and intelligent GC algorithm, firmware maximizes software/hardware performance under both heavy and light loads, enabling industry-leading 320 MB/s in sequential read and up to 240 MB/s in sequential write speed.

High Quality

With a sound quality assurance system, Union Memory adopts mature mechanisms to control the quality throughout the product lifecycle. During R&D phase, Root Causes have been identified for all faults with RM540, and closed loop and adequacy have been verified, so as to ensure excellent quality performance of products after mass production. With the original quality prediction model, Union Memory can accurately predict the quality performance of the products after mass production. RM540 has delivered accumulative 10 millions of units and has been proved meeting partners' demanding DPPM requirements in various application scenarios through rigorous market testing.

High Compatibility

RM540 has gone through rigorous design reasoning, signal simulation, package reliability verification, protocol conformance testing, temperature shock testing, firmware reliability verification, and multi-generation platform compatibility testing from major manufacturers such as Intel, AMD, Qualcomm, and MediaTek, Google certification and demanding OEM import verification. These numerous intensive, multi-dimensional tests ensure that RM540 is an industry leader in terms of compatibility.

Specifications

Product Series

RM540

Capacity

32 GB

64 GB

128 GB

Model

RETMEDB32GSBB

RETMEDB64GDBB

RETMEDB128QBB

Interface

eMMC 5.1

eMMC 5.1

eMMC 5.1

Sequential Read

300 MB/s

320 MB/s

320 MB/s

Sequential Write

150 MB/s

230 MB/s

240 MB/s

Random Read IOPS

9K

9.4K

9.4K

Random Write IOPS

31K

38K

38K

Clock Mode

SDR/DDR/HS200/HS400

Operating Voltage

VCC: 2.7 to 3.6 V, VCCQ: 1.7 to 1.95 V / 2.7 to 3.6 V

Operating Temperature

-25℃ to 85℃

Storage Temperature

-40℃ to 85℃

Packaging Form

BGA 153 Ball, 11.5 mm*13.0 mm*1.0 mm


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