HY5PS1G821M Datasheet, PDF (9/79 Pages) Hynix Semiconductor – 1Gb DDR2 SDRAM(DDP)

1HY5PS12421(L)M
HY5PS12821(L)M
PIN
VDD
VSS
VREF
TYPE
Supply
Supply
Supply
DESCRIPTION
Power Supply : 1.8V +/- 0.1V
Ground
Reference voltage for inputs for SSTL interface.
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In this data sheet, "differential DQS signals" refers to any of the following with A10 = 0 of EMRS(1)
x4 DQS/DQS
x8 DQS/DQS
if EMRS(1)[A11] = 0
x8 DQS/DQS, RDQS/RDQS,
if EMRS(1)[A11] = 1
"single-ended DQS signals" refers to any of the following with A10 = 1 of EMR
x4 DQS
x8 DQS
if EMRS(1)[A11] = 0
x8 DQS, RDQS, if EMRS(1)[A11] = 1
Rev. 0.2 / Oct. 2005
9