IS42S32800D-6B ISSI, Integrated Silicon Solution Inc, IS42S32800D-6B Datasheet - Page 34

• 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
34
Figure 9.2.Random Column Read (Page within same Bank)
BA0,1
CAS#
A0-A9
DQM
RAS#
WE#
CKE
CLK
CS#
A10
DQ
Hi-Z
(Burst Length=4,CAS#Latency=2)
T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Command
Activate
Bank A
RAw
RAw
t
CK2
Command
Bank A
Read
CAw
Aw0
Aw1 Aw2
Command
Bank A
Read
CAx
Aw3 Ax0
Command
Bank A
Read
CAy
Ax1 Ay0
Integrated Silicon Solution, Inc. — www.issi.com
Ay1
Precharge
Command
Bank A
Ay2
Ay3
Command
Activate
Bank A
RAz
RAz
Command
Bank A
Read
CAz
Az0
Az1 Az2
Rev. 00B
11/21/07
Az3