CY7C027-20AXCT Cypress Semiconductor Corp, CY7C027-20AXCT Datasheet - Page 13
![CY7C027-20AXCT](/photos/6/70/67051/428-100-tqfp_14x14x1_4_sml.jpg)
CY7C027-20AXCT
Manufacturer Part Number
CY7C027-20AXCT
Description
CY7C027-20AXCT
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C028-15AXC.pdf
(19 pages)
Specifications of CY7C027-20AXCT
Format - Memory
RAM
Memory Type
SRAM - Dual Port, Asynchronous
Memory Size
512K (32K x 16)
Speed
20ns
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
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C027-20AXCT
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Switching Waveforms
Left Address Valid First:
Document #: 38-06042 Rev. *F
CE
CE
Right Address Valid First:
Note
42. If t
L
ADDRESS
ADDRESS
R
Valid First:
ADDRESS
ADDRESS
ADDRESS
ADDRESS
Valid First:
PS
BUSY
BUSY
BUSY
BUSY
is violated, the busy signal is asserted on one side or the other, but there is no guarantee to which side BUSY is asserted.
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]
CY7C027/028
CY7C037/038
Page 13 of 19
[+] Feedback
[+] Feedback