Timing Diagrams (continued)
Read/Write Timing[30]
CLK
tS
ADSP#
tH
ADSC#
tS
ADDRESS A1 A2
A3
A4
tH
WEL#, WEH#,
BWE#, GW#
CE#
CY7C1298A/
GVT7164C18
A5
ADV#
OE#
DQ
Q(A1)
Q(A2)
Single Reads
D(A3)
Q(A3)
Q(A4) Q(A4+1) Q(A4+2)
Single Write Pass Through
Burst Read
D(A5) D(A5+1)
Burst Write
Ordering Information
Speed
(MHz)
100
83
66
50
Ordering Code
CY7C1298A–100NC/
GVT7164C18Q-5
CY7C1298A–83NC/
GVT7164C18Q-6
CY7C1298A–66NC/
GVT7164C18Q-7
CY7C1298A–50NC/
GVT7164C18Q-8
Package
Name
Package Type
N100 100-Lead Plastic Quad Flatpack
N100 100-Lead Plastic Quad Flatpack
N100 100-Lead Plastic Quad Flatpack
N100 100-Lead Plastic Quad Flatpack
Operating
Range
Commercial
Commercial
Commercial
Commercial
Document #: 38-05194 Rev. *A
Page 10 of 12