CY7C028-12AC Cypress Semiconductor Corp, CY7C028-12AC Datasheet - Page 12

• Manufacturer Part Number: CY7C028-12AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C028-12AC

• Density: 1Mb
• Access Time (max): 12ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 16b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 325mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 16b
• Number Of Words: 64K
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Note
Document #: 38-06042 Rev. *D
41. CE
ADDRESS
ADDRESS
DATA
DATA IN
L
BUSY
= CE
R/W
OUTL
BUSY
R/W
R
R
R
L
= LOW.
R
L
t
Figure 11. Timing Diagram of Read with BUSY (M/S=HIGH)
PS
(continued)
Figure 12. Write Timing with Busy Input (M/S=LOW)
t
WB
t
BLA
MATCH
MATCH
t
WC
t
PWE
t
PWE
t
WH
t
VALID
SD
t
WDD
t
DDD
t
HD
[41]
t
BHA
t
BDD
CY7C027/028
CY7C037/038
VALID
Page 12 of 19
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