IS42S32160A-75BL-TR ISSI, Integrated Silicon Solution Inc, IS42S32160A-75BL-TR Datasheet - Page 26

• Manufacturer Part Number: IS42S32160A-75BL-TR
• Description: IC SDRAM 512MBIT 133MHZ 90BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S32160A-75BL-TR

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 512M (16M x 32)
• Speed: 133MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 90-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS42S32160A
26
Figure 4.Power on Sequene and Auto Refresh (CBR)
BS0, 1
DQM
ADD
CKE
RAS
CAS
CLK
A10
WE
DQ
CS
Hi-Z
for 200us
Inputs
must
be stable
T0 T1 T2 T3 T4 T5 T6 T7
High Level is Necessary
Precharge
Command
All Banks
High level
is required
t
RP
1st Auto
Refresh
Command
Minimum of 2 Refresh Cycles are required
T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
2nd Auto
Refresh
Command
t
RC
Integrated Silicon Solution, Inc.
Mode
Set Command
Address Key
Register
t
MRS
Command
Rev. 00E
07/21/09