IS42S32800B-7TL INTEGRATED SILICON SOLUTION (ISSI), IS42S32800B-7TL Datasheet - Page 37

• Manufacturer Part Number: IS42S32800B-7TL
• Description: IC, SDRAM, 256MBIT, 143MHZ, TSOP-86
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS42S32800B-7TL

• Memory Type: DRAM - Sychronous
• Access Time: 7ns
• Page Size: 256Mbit
• Memory Case Style: TSOP
• No. Of Pins: 86
• Operating Temperature Range: -40°C To +85°C
• Frequency: 143MHz
• Termination Type: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS42S32800B
Integrated Silicon Solution, Inc.
Rev. F
07/21/09
Figure 10.3.Random Column Write (Page within same Bank)
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
Write
CBw
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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