IS42S32800B-7TL INTEGRATED SILICON SOLUTION (ISSI), IS42S32800B-7TL Datasheet - Page 34

• 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
34
Figure 9.2.Random Column Read (Page within same Bank)
BA0,1
CAS#
A0-A9
RAS#
DQM
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
Ay1
Precharge
Command
Bank A
Ay2
Ay3
Command
Activate
Bank A
RAz
RAz
Integrated Silicon Solution, Inc.
Command
Bank A
Read
CAz
Az0
Az1 Az2
Az3
07/21/09
Rev. F