M52S32321A-6BIG ELITE SEMICONDUCTOR, M52S32321A-6BIG Datasheet - Page 17

• 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

ESMT
Page Read Cycle at Different Bank @ Burst Length=4
DQ
*Note: 1. CS can be don’t cared when RAS , CAS and WE are high at the clock high going dege.
Elite Semiconductor Memory Technology Inc.
A10/AP
CLOCK
ADDR
DQM
CL=2
CL=3
RAS
CAS
CKE
WE
CS
BA
2.To interrupt a burst read by row precharge, both the read and the precharge banks must be the same.
*Note1
0
Row Active
(A-Bank)
RAa
RAa
1
2
3
(A-Bank)
Read
CAa
4
Row Active
(B-Bank)
RBb
RBb
5
QAa0
6
QAa1
QAa0
7
(B-Bank)
Read
QAa1
QAa2 QAa3
CBb
8
QAa2
9
QBb0
QAa3
HIGH
10
QBb1 QBb2
QBb0
11
(A-Bank)
Read
QBb1
CAc
12
QBb3
QBb2 QBb3
13
(B-Bank)
Read
QAc0
CBd
14
Revision : 1.4
Publication Date : Jul. 2007
QAc1 QBd0
QAc0
15
M52S32321A
(A-Bank)
Read
CAe
QAc1 QBd0
16
QBd1
17
Precharge
(A-Bank)
*Note2
QAe0
QBd1 QAe0
18
QAe1
17/29
19
QAe1
: Don't care