HY57V283220(L)T(P) / HY5V22(L)F(P)
FUNCTIONAL BLOCK DIAGRAM
1Mbit x 4banks x 32 I/O Synchronous DRAM
SSelf RReeffrreesshh LLooggiicc
Reffrresshh
Countteerr
& Timeerr
xx3322 BBaannkk 33
1M
1M
CCLK
RRow
PPre
1M x32 Bank 2
1M x32 Bank 2
Roww AAccttiivvee
CCKE
Decoddeerr
1M x32 Bank 1
1M x32 Bank 1
CCS
11MM xx3322 BBaannkk 00
DDQQ00
RRAS
DDQQ11
MMMeemmmooorrryyy
CCCeeelllll
CCAS
AArrrraaayyy
WWE
Colummnn
Activee
Colummnn
DQM00
PPre
DQM11
D
e
c
o
d
e
e
r
r
DDQQ3300
DQM22
DDQQ3311
DQM33
YY dddeeecccooodddeeerrr
Colummnn AAdddd
Countteerr
Bank SSeelleecctt
AA0
Addreessss
A1
Reggiisstteerr
BBuurrsstt
CCoouunntteerr
AA11
BBA0
CCAASS LLaatteennccyy
PPiippee LLiinnee CCoonnttrrooll
BBA1
Mode RReeggiisstteerr
DDaattaa OOuutt CCoonnttrrooll
Rev. 0.9 / July 2004
5
HYNIX [ HYNIX SEMICONDUCTOR ]
