M52S32321A-6BIG ELITE SEMICONDUCTOR, M52S32321A-6BIG Datasheet - Page 27

• Manufacturer Part Number: M52S32321A-6BIG
• Description: SDRAM, 32MB, 2.5V, 166MHZ, VFBGA90
• Manufacturer: ELITE SEMICONDUCTOR

Specifications of M52S32321A-6BIG

• Memory Case Style: VFBGA
• No. Of Pins: 90
• Operating Temperature Range: -40°C To +85°C
• Operating Temperature Max: 85°C
• Operating Temperature Min: -40°C
• Frequency: 166MHz
• Package / Case: VFBGA
• Memory Type: DRAM - Synchronous
• Memory Configuration: 2 BLK (512K X 32)
• Interface Type: LVCMOS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

C L O C K
A D D R
ESMT
C A S
*Both banks precharge should be completed before Mode Register Set cycle and auto refresh cycle.
*Note: 1. CS , RAS , CAS & WE activation at the same clock cycle with address key will set internal mode register.
Elite Semiconductor Memory Technology Inc.
C K E
R A S
D Q M
W E
D Q
C S
MODE REGISTER SET CYCLE
2.Minimum 2 clock cycles should be met before new RAS activation.
3.Please refer to Mode Register Set table.
Mode Register Set Cycle
0
1
M R S
Key
* N o t e 3
* N o t e 2
* N o t e 1
2
H I G H
H i - Z
N e w C o m m a n d
3
R a
4
5
6
Auto Refresh Cycle
0
A u t o R e f r e s h
1
2
H I G H
H i - Z
3
4
t
5
R C
Revision : 1.4
Publication Date : Jul. 2007
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