Datasheet

4 of 53

002-31339 Rev. *C

2021-09-27

256 Mb: HYPERRAM™ self-refresh dynamic RAM (DRAM) with Octal xSPI interface

1.8 V

Table of contents

10.4 AC characteristics................................................................................................................................................42

10.4.1 Read transactions ............................................................................................................................................42

10.4.2 Write transactions............................................................................................................................................43

10.5 Timing reference levels.......................................................................................................................................45

11 Physical interface .......................................................................................................................46

11.1 FBGA 24-ball 5 x 5 array footprint ......................................................................................................................46

11.2 Physical diagrams...............................................................................................................................................47

12 Ordering information ..................................................................................................................48

12.1 Ordering part number.........................................................................................................................................48

12.2 Valid combinations .............................................................................................................................................49

12.3 Valid combinations - Automotive Grade / AEC-Q100 ........................................................................................49

13 Acronyms ...................................................................................................................................50

14 Document conventions................................................................................................................51

14.1 Units of measure .................................................................................................................................................51

Revision history ..............................................................................................................................52