IS42S32800B-7TL INTEGRATED SILICON SOLUTION (ISSI), IS42S32800B-7TL Datasheet - Page 43

• 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 14.2.Interleaving Column Read Cycle (Burst Length=4,CAS#Latency=2)
A 0-A9
RAS#
CAS#
BS0,1
DQM
WE#
CKE
CLK
CS#
A10
DQ
Hi-Z
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
RAx
RAx
t
CK2
t
RCD
Command
Bank A
CAy
Read
t
AC2
Command
Activate
Bank B
RAx
RAx
Ax0
Ax1
Command
Bank B
CBw
Read
Ax2
Ax3
Command
Bank B
Read
CBx
Bw0 Bw1 Bx0
Command
Bank B
CBy
Read
Bx1
Command
Bank A
Read
CAy
By0
By1
Command
Bank B
Read
CBz
Ay0
Precharge
Command
Bank A
Ay1
Bz0
Bz1
Precharge
Command
Bank B
Bz2
Bz3
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