is43lr32200b-6bl Integrated Silicon Solution, Inc., is43lr32200b-6bl Datasheet - Page 4

• Manufacturer Part Number: is43lr32200b-6bl
• Description: 512k X 32bits X 4banks Mobile Ddr Sdram
• Manufacturer: Integrated Silicon Solution, Inc.

Rev. 00A | Feb. 2011
Figure2 : Functional Block Diagram
~ DM3
/CAS
DM0
/RAS
/WE
CKE
/CK
/CS
A10
BA0
BA1
A0
A1
CK
Bank Select
Row Active
Refresh
Column Active
Extended
Register
PASR
Mode
Address
Register
Mode Register
Decoder
Column Add
Logic & timer
Internal Row
Decoder
Column
Self refresh
Row
Pre
Counter
Counter
Pre
www.issi.com
Counter
Burst
Latency
CAS
- [e-mail]
512Kx32 BANK 3
512Kx32 BANK 2
Write Data Register
2-bit Prefetch Unit
512Kx32 BANK 1
Data Out Control
Column Decoders
512Kx32 BANK 0
Memory
X64
Array
Cell
X32
DS
IS43/46LR32200B
64
Advanced Information
|
|
|
|
Data Strobe
Data Strobe
Transmitter
Receiver
32
|
|
|
|
DQS0 ~ DQS3
DQ31
DQ0
DS
.
.
.
.
.
.
.
4