W958D6DB Datasheet, PDF (28/57 Pages) Winbond – Low-power features

W958D6DB
256Mb Async./Burst/Sync./A/D MUX
8.4.3.13 Latency Counter (Variable Initial Latency, No Refresh Collision)
CLK
A[max :16]
ADV#
A/DQ [15 : 0]
A/DQ [15 : 0]
A/DQ [15 : 0]
Valid
address
Code2
Valid
address
Code3 (Default)
Valid
address _Code4
Valid
address
Valid
output
Valid
output
Valid
output
Valid
output
Valid
output
Valid
output
Valid
output
Valid
output
Valid
output
Valid
output
Valid
output
Don’t Care
Valid
output
Undefined
8.4.3.14 Allowed Latency Counter Settings in Fixed Latency Mode
BCR[13:11] Latency Configuration Code
Latency
Count (N)
010
2 (3 clocks)
2
011
3 (4 clocks)—default
3
100
4 (5 clocks)
4
101
5 (6 clocks)
5
110
6 (7 clocks)
6
000
8 (9 clocks)
8
Others
Reserved
—
Max Input CLK Frequency (MHz)
133
104
33 (30ns)
33 (30ns)
52 (19.2ns)
52 (19.2ns)
66 (15ns)
75 (13.3ns)
104 (9.62ns)
133 (7.5ns)
—
66 (15ns)
75 (13.3ns)
104 (9.62ns)
—
—
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Publication Release Date : June 27 ,2013
Revision : A01-003