JEDEC JESD8-19
JEDEC JESD8-19 2006-DEC-01 POD18 - 18 V Pseudo Open Dran O
This standard defines the dc and ac single-ended (data) and differential (clock) operating conditions, I/O impedances, and the termination and calibration scheme for 1.8 V Pseudo Open Drain I/Os. The 1.8 V Pseudo Open Drain interface, also known as POD18, is primarily used to communicate with GDDR3 SGRAM devices.