W9864G6JH-6 Winbond Electronics, W9864G6JH-6 Datasheet - Page 39

• Manufacturer Part Number: W9864G6JH-6
• Description: IC SDRAM 64MB 166MHZ 54TSOPII
• Manufacturer: Winbond Electronics

Specifications of W9864G6JH-6

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 64M (4M x 16)
• Speed: 166MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.3 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 54-TSOP II
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

11.19 Timing Chart of Burst Stop Cycle (Burst Stop Command)
11.20 Timing Chart of Burst Stop Cycle (Precharge Command)
(1 ) R e a d c y c le
(2 ) W r ite c y c le
(a ) C A S la te n c y = 2
(b ) C A S la te n c y = 3
(2) Write cycle
(1) Read cycle
( a ) CAS latency =2
( b )CAS latency = 3
C o m m a n d
C o m m a n d
C o m m a n d
D Q M
D Q
D Q
D Q
Command
Command
Command
DQ
DQ
DQ
W rite
R e a d
R e a d
Q 0
0
Read
Read
Write
Q0
0
Q1
Q 1
1
1
Note:
Q 0
Q2
Q0
2
Q 2
2
BST
Q0
Q3
Q1
3
Q 1
Q 0
3
Q 3
represents the Burst stop command
Q1
Q4
Q2
4
- 39 -
Q 2
Q 1
4
Q 4
BST
BST
BST
Q2
Q3
5
P R C G
P R C G
Q 3
Q 2
tW R
5
Q3
Q4
6
P R C G
Q 4
Q4
Q 3
6
7
Publication Release Date: Aug. 31, 2010
8
Q 4
7
9
8
W9864G6JH
10
9
11
1 0
Revision A02
1 1