
Radiation-tolerant DDR4 memory solution merged with power supply
Stephen Law
Power Supply / Management Semiconductors Wireless Engineering DDR4 memory power supply wirelessTeledyne e2v and Texas Instruments collaborated on a radiation-tolerant DDR4 modular platform to help satellite OEMs to streamline their system development work, as well as reducing the time and engineering effort involved. The field-proven hardware consists of a 4GB/8GB capacity DDR4T0xG72 DDR4 memory from Teledyne e2v accompanied by a TI TPS7H3301-SP DDR termination low drop-out (LDO) voltage regulator that provides a stable supply for the DDR4 module.
Optimized for implementations where there are acute size, weight and power (SWaP) constraints to factor in, the platform is compact and convenient to use. The constituent components have already gone through comprehensive space characterization and qualification procedures to help designers achieve long-term operation without single event latch-up (SEL) and single event upset (SEU) issues arising.
Platform allows elevated levels of data storage capacity to be achieved inside a very small form factor. It requires three times less pcb area versus solutions from the competition, and its volume is smaller by a factor of 10.