CY7C144-15AXIT Cypress Semiconductor Corp, CY7C144-15AXIT Datasheet - Page 15
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CY7C144-15AXIT
Manufacturer Part Number
CY7C144-15AXIT
Description
CY7C144-15AXIT
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C144-55AXC.pdf
(23 pages)
Specifications of CY7C144-15AXIT
Format - Memory
RAM
Memory Type
SRAM - Dual Port, Asynchronous
Memory Size
64K (8K x 8)
Speed
15ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C144-15AXIT
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Switching Waveforms
Note
Document #: 38-06034 Rev. *H
28. If t
Left Address Valid First:
Right Address Valid First:
CE
CE
Address
Address
PS
Address
Address
Address
Address
R
L
is violated, the busy signal will be asserted on one side or the other, but there is no guarantee on which side BUSY will be asserted.
Valid First:
Valid First:
BUSY
BUSY
BUSY
BUSY
l,R
l,R
CE
CE
CE
CE
R
R
R
R
R
R
L
L
L
L
L
L
Figure 15. Busy Timing Diagram No. 2 (Address Arbitration)
(continued)
Figure 14. Busy Timing Diagram No. 1 (CE Arbitration)
t
t
PS
PS
Address Match
Address Match
t
t
RC
RC
or t
or t
t
t
PS
PS
WC
WC
t
t
BLA
BLA
Address Match
Address Match
t
t
BLC
BLC
Address Mismatch
Address Mismatch
t
t
BHA
BHA
t
t
BHC
BHC
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CY7C144 CY7C145
Page 15 of 23
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