IS42S32800B-7BL INTEGRATED SILICON SOLUTION (ISSI), IS42S32800B-7BL Datasheet - Page 29

• Manufacturer Part Number: IS42S32800B-7BL
• Description: IC, SDRAM, 256MBIT, 143MHZ, BGA-90
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS42S32800B-7BL

• Memory Type: DRAM - Sychronous
• Access Time: 7ns
• Page Size: 256Mbit
• Ic Interface Type: Parallel
• Memory Case Style: BGA
• No. Of Pins: 90
• Operating Temperature Range: 0°C To +70°C
• Termination Type: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS42S32800B
Integrated Silicon Solution, Inc.
Rev. F
07/21/09
Figure 6.2.Clock Suspension During Burst Read (Using CKE)
BS0,1
CAS#
A0-A9
DQM
RAS#
WE#
CKE
CLK
CS#
Note:CKE to CLK disable/enable =1 clock
A10
DQ
Hi-Z
Command
T0
Activate
Bank A
(Burst Length=4,CAS#Latency=2)
t
RAx
RAx
CK2
T 1 T2
Command
Bank A
Read
CAx
T3 T4
Ax0
Clock Suspend
T5 T6
1 Cycle
Ax1
T7 T8
Clock Suspend
2 Cycle
Ax2
T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Clock Suspend
3 Cycle
Ax3
t
HZ
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