PRELIMINARY
Switching Waveforms
(continued)
Write Cycle No. 2
(CE Controlled)
[10,14]
t
W C
A ddress
t
S A
CE
t
H A
t
P W E
WE
t
S D
D ata In
D ata V alid
H igh Z
t
H D
t
S C E
CY7C197D
t
A W
D ata O ut
Truth Table
CE
H
L
L
WE
X
H
L
High Z
Data Out
Data In
Input/Output
Deselect/Power-Down
Read
Write
Mode
Ordering Information
Speed
(ns)
10
Ordering Code
CY7C197D-10PXC
CY7C197D-10VXC
CY7C197D-10PXI
CY7C197D-10VXI
12
CY7C197D-12PXC
CY7C197D-12VXC
CY7C197D-12PXI
CY7C197D-12VXI
15
CY7C197D-15PXC
CY7C197D-15VXC
CY7C197D-15PXI
CY7C197D-15VXI
Package
Name
P13
V13
P13
V13
P13
V13
P13
V13
P13
V13
P13
V13
Package Type
24-Lead (300-Mil) Molded DIP (Pb-Free)
24-Lead Molded SOJ (Pb-Free)
24-Lead (300-Mil) Molded DIP (Pb-Free)
24-Lead Molded SOJ (Pb-Free)
24-Lead (300-Mil) Molded DIP (Pb-Free)
24-Lead Molded SOJ (Pb-Free)
24-Lead (300-Mil) Molded DIP (Pb-Free)
24-Lead Molded SOJ (Pb-Free)
24-Lead (300-Mil) Molded DIP (Pb-Free)
24-Lead Molded SOJ (Pb-Free)
24-Lead (300-Mil) Molded DIP (Pb-Free)
24-Lead Molded SOJ (Pb-Free)
Industrial
Commercial
Industrial
Commercial
Industrial
Operating
Range
Commercial
Shaded areas contain advance information. Please contact your local Cypress sales representative for availability of these parts.
Note:
14. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Document #: 38-05458 Rev. *C
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