HY5DU561622ALT-K HYNIX [Hynix Semiconductor], HY5DU561622ALT-K Datasheet - Page 16

• Manufacturer Part Number: HY5DU561622ALT-K
• Description: 256M-S DDR SDRAM
• Manufacturer: HYNIX [Hynix Semiconductor]

Rev. 0.4/ May. 02
SIMPLIFIED STATE DIAGRAM
WRITE
WRITE
REGISTER
POWER
DOWN
MODE
SET
WRITEAP
PRE(PALL)
READ
READAP
PDEN
POWER
DOWN
MRS
AUTOPRE-
CHARGE
WRITE
PDEX
WITH
PDEX
PDEN
POWER APPLIED
POWER-UP
CHARGE
ACTIVE
BANK
IDLE
PRE-
ACT
AUTOPRE-
CHARGE
WITH
READ
AREF
SREF
SREX
WRITE
WRITEAP
PRE(PALL)
READAP
BST
REFRESH
REFRESH
AUTO
SELF
READ
Command Input
Automatic Sequence
HY5DU56422A(L)T
HY5DU56822A(L)T
HY5DU561622A(L)T
READ
16