CY7C421-15AXCT Cypress Semiconductor Corp, CY7C421-15AXCT Datasheet - Page 10

• Manufacturer Part Number: CY7C421-15AXCT
• Description: CY7C421-15AXCT
• Manufacturer: Cypress Semiconductor Corp
• Series: CY7Cr

Specifications of CY7C421-15AXCT

• Function: Asynchronous
• Memory Size: 4.6K (512 x 9)
• Data Rate: 50MHz
• Access Time: 10ns
• Voltage - Supply: 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Switching Waveforms
Document #: 38-06001 Rev. *C
Note
15. Expansion Out of device 1 (XO
XO
XO
1
1
(XI
(XI
Q
D
0
0
2
2
–Q
–D
)
)
[15]
[15]
W
R
8
8
READ FROM LAST PHYSICAL
LOCATION OF DEVICE 1
1
t
) is connected to Expansion In of device 2 (XI
LZR
(continued)
t
XOL
WRITE TO LAST PHYSICAL
t
A
LOCATION OF DEVICE 1
t
XOL
Figure 12. Expansion Timing Diagrams
t
DATA
VALID
DVR
DATA VALID
t
SD
t
RR
t
t
XOH
HD
t
WR
2
)
t
READ FROM FIRST PHYSICAL
XOH
LOCATION OF DEVICE 2
WRITE TO FIRST PHYSICAL
LOCATION OF DEVICE 2
t
A
DATA VALID
t
SD
VALID
DATA
CY7C419/21/25/29/33
t
DVR
t
HD
t
HZR
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