IS42S32800D-6B ISSI, Integrated Silicon Solution Inc, IS42S32800D-6B Datasheet - Page 37

• Manufacturer Part Number: IS42S32800D-6B
• Description: IC SDRAM 256MBIT 166MHZ 90BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S32800D-6B

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 166MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 90-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S32800D
Figure 10.3.Random Column Write (Page within same Bank)
Integrated Silicon Solution, Inc. — www.issi.com
Rev. 00B
11/21/07
BS0,1
A 0-A9
RAS#
CAS#
DQM
CKE
CS#
WE#
CLK
A10
DQ
Hi-Z
(Burst Length=4,CAS#Latency=3)
T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T2 2
Command
Activate
Bank A
RBw
RBw
t
CK3
Command
Bank A
DBw0
CBw
Write
DBw1 DBw2 DBw3
Command
Bank B
DBx0 DBx1
Write
CBx
Command
Bank B
DBy0 DBy1 DBy2 DBy3
Write
CBy
Precharge
Command
Bank B
Command
Activate
Bank B
RBz
RBz
Command
Bank B
DBz0
Write
CBz
DBz1 DBz2
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