IS42S32800B-7BL INTEGRATED SILICON SOLUTION (ISSI), IS42S32800B-7BL Datasheet - Page 25

• 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 2.AC Parameters for Read Timing (Burst Length=2,CAS#Latency=2)
BS0,1
A0-A9
CAS#
RAS#
DQM
CKE
CS#
WE#
CLK
A10
DQ
Hi-Z
t
CH
t
T0
IS
t
CL
t
IS
T1
Command
Activate
Bank A
RAx
RAx
t
IS
t
T2
CK2
t
t
RCD
t
IH
IH
T3
Command
Bank A
t
Read
RRD
CAx
T4
t
t
LZ
AC2
T5
Command
Activate
Bank B
RBx
RBx
Ax0
t
AC2
t
T6
OH
t
RAS
Ax1
Auto Precharge
t
T7
HZ
t
Read with
Command
RC
Bank B
CBx
Begin AutoPrecharge
T8
Bank B
T9
Precharge
Command
Bank A
Bx0
T10
t
RP
Bx1
t
t
T11
IH
HZ
Command
Activate
Bank A
RAy
RAy
T12
T13
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