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HY5PS12421AFP Datasheet, PDF (9/37 Pages) Hynix Semiconductor – 512Mb DDR2 SDRAM
PIN
NC
VDDQ
VSSQ
VDDL
VSSDL
VDD
VSS
VREF
512Mb A-ver. DDR2 SDRAM
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TYPE
DESCRIPTION
Supply
Supply
Supply
Supply
Supply
Supply
Supply
No Connect : No internal electrical connection is present.
DQ Power Supply: 1.8V +/- 0.1V (Exclusively, 1.9V +/- 0.1V for C3 speed grade part)
DQ Ground
DLL Power Supply : 1.8V +/- 0.1V (Exclusively, 1.9V +/- 0.1V for C3 speed grade part)
DLL Ground
Power Supply : 1.8V +/- 0.1V (Exclusively, 1.9V +/- 0.1V for C3 speed grade part)
Ground
Reference voltage for inputs for SSTL interface.
Rev. 0.2 / Mar. 2005
9