K4D263238A Samsung, K4D263238A Datasheet - Page 6

• Manufacturer Part Number: K4D263238A
• Description: 1M x 32Bit x 4 Banks Double Data Rate Synchronous DRAM with Bi-directional Data Strobe and DLL
• Manufacturer: Samsung

K4D263238A-GC
BLOCK DIAGRAM
CK,CK
ADDR
LCKE
CK,CK
LRAS LCBR
Bank Select
(1Mbit x 32I/O x 4 Bank)
CKE
LWE
CS
CK, CK
LCAS
RAS
Timing Register
CAS
Latency & Burst Length
Programming Register
Data Input Register
- 6 -
Column Decoder
Serial to parallel
1Mx32
1Mx32
1Mx32
1Mx32
64
WE
Intput Buffer
32
LWCBR
DMi
64
CK,CK
DLL
32
128M DDR SDRAM
DQi
LDMi
Rev. 2.0 (Jan. 2003)
LWE
LDMi
x32
(DQS0~DQS3)
Data Strobe