IS66WVC1M16ALL Datasheet, PDF (23/67 Pages) Integrated Silicon Solution, Inc – Mixed Mode supports asynchronous write and synchronous read operation

IS66WVC1M16ALL
IS67WVC1M16ALL
Burst Length (BCR[2:0]) Default = Continuous Burst
Burst lengths define the number of words the device outputs during burst READ and
WRITE operations. The device supports a burst length of four, eight, sixteen, or thirty-two
words. The device can also be set in continuous burst mode where data is accessed
sequentially up to the end of the row.
Burst Wrap (BCR[3]) Default = No Wrap
The burst-wrap option determines if a 4-, 8-, 16, 32-word READ or WRITE burst wraps
within the burst length, or steps through sequential addresses. If the wrap option is not
enabled, the device accesses data from sequential addresses up to the end of the row.
Table 4. Sequence and Burst Length
Starting
Address
Wrap
DEC
BCR[3]
0
1
2
3
•••
6
7
“0”
Wrap
•••
14
15
•••
254
255
0
1
2
3
•••
6
7
“1”
No
•••
Wrap
14
15
•••
254
255
BL4
Linear
0-1-2-3
1-2-3-0
2-3-0-1
3-0-1-2
•••
6-7-4-5
7-4-5-6
•••
14-15-12-13
15-12-13-14
•••
254-255-252-253
255-252-253-254
0-1-2-3
1-2-3-4
2-3-4-5
3-4-5-6
•••
6-7-8-9
7-8-9-10
•••
14-15-16-17
15-16-17-18
•••
254-255
255
BL8
Linear
0-1-2-3-4-5-6-7
1-2-3-4-5-6-7-0
2-3-4-5-6-7-0-1
3-4-5-6-7-0-1-2
•••
6-7-0-1-2-3-4-5
7-0-1-2-3-4-5-6
•••
14-15-8-9-10-11-12-13
15-8-9-10-11-12-13-14
•••
254-255-248-••• -252-253
255-248-249- ••• -253-254
0-1-2-3-4-5-6-7
1-2-3-4-5-6-7-8
2-3-4-5-6-7-8-9
3-4-5-6-7-8-9-10
•••
6-7-8-9-10-11-12-13
7-8-9-10-11-12-13-14
•••
14-15-16-17-18-19-20-21
15-16-17-18-19-20-21-22
•••
254-255
255
BL16
Linear
0-1-2-3- ••• -12-13-14-15
1-2-3-4- ••• -13-14-15-0
2-3-4-5- ••• -14-15-0-1
3-4-5-6- ••• -15-0-1-2
•••
6-7-8-9- ••• -2-3-4-5
7-8-9-10- ••• -3-4-5-6
•••
14-15-0-1- ••• -10-11-12-13
15-0-1-2-3- ••• -11-13-13-14
•••
254-255-240-241- ••• -252-253
255-240-241-242- ••• -253-254
0-1-2-3-4- ••• -12-13-14-15
1-2-3-4- ••• -13-14-15-16
2-3-4-5- ••• -14-15-16-17
3-4-5-6- ••• -15-16-17-18
•••
6-7-8-9- ••• -18-19-20-21
7-8-9-10- ••• -19-20-21-22
•••
14-15-16-17- ••• - 26-27-28-29
15-16-17-18- ••• -27-28-29-30
•••
254-255
255
BL32
Linear
0-1-2-3- ••• -28-29-30-31
1-2-3-4- ••• -29-30-31-0
2-3-4-5- ••• -30-31-0-1
3-4-5-6- ••• -31-0-1-2
•••
6-7-8-9- ••• -2-3-4-5
7-8-9-10- ••• -3-4-5-6
•••
30-31-0-1- ••• -26-27-28-29
31-0-1-2-3- ••• -27-28-29-30
•••
254-255-224-225- ••• -252-253
255-224-225-226- ••• -253-254
0-1-2-3- ••• -28-29-30-31
1-2-3-4- ••• -29-30-31-32
2-3-4-5- ••• -30-31-32-33
3-4-5-6- ••• -31-32-33-34
•••
6-7-8-9- ••• -34-35-36-37
7-8-9-10- ••• -35-36-37-38
•••
14-15-16-17- ••• - 42-43-44-45
15-16-17-18- ••• -43-44-45-46
•••
254-255
255
Continuous
Linear
0-1-2-3-4-5-6- •••
1-2-3-4-5-6-7- •••
2-3-4-5-6-7-8- •••
3-4-5-6-7-8-9- •••
•••
6-7-8-9-10-11-12- •••
7-8-9-10-11-12-13- •••
•••
14-15-16-17-18-19-20-
•••
15-16-17-18-19-20-21-
•••
•••
254-255-0-1-2-•••
255-0-1-2-•••
0-1-2-3-4-5-6- •••
1-2-3-4-5-6-7- •••
2-3-4-5-6-7-8- •••
3-4-5-6-7-8-9- •••
•••
6-7-8-9-10-11-12- •••
7-8-9-10-11-12-13- •••
•••
14-15-16-17-18-19-20-
•••
15-16-17-18-19-20-21-
•••
•••
254-255
255
Rev.A | October 2013
www.issi.com – [e-mail]
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