CY7C025-25AC Cypress Semiconductor Corp, CY7C025-25AC Datasheet - Page 15
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CY7C025-25AC
Manufacturer Part Number
CY7C025-25AC
Description
IC,SRAM,8KX16,CMOS,QFP,100PIN,PLASTIC
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C024-55AXC.pdf
(21 pages)
Specifications of CY7C025-25AC
Format - Memory
RAM
Memory Type
SRAM - Dual Port, Asynchronous
Memory Size
128K (8K x 16)
Speed
25ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C025-25AC
Manufacturer:
CYPRESS
Quantity:
745
Company:
Part Number:
CY7C025-25AC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Switching Waveforms
Note
Document #: 38-06035 Rev. *D
CE
Left Address Valid First:
CE
Right Address Valid First:
42. If t
L
ADDRESS
ADDRESS
R
Valid First:
ADDRESS
ADDRESS
PS
ADDRESS
ADDRESS
Valid First:
is violated, the busy signal is asserted on one side or the other, but there is no guarantee to which side BUSY is asserted.
BUSY
BUSY
BUSY
BUSY
CE
CE
CE
CE
L,R
L,R
R
R
R
L
L
L
R
L
R
R
L
L
Figure 14. Busy Timing Diagram No.2 (Address Arbitration)
(continued)
Figure 13. 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
[42]
[42]
CY7C024/024A/0241
CY7C025/0251
Page 15 of 21
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