CY7C0241-25AC Cypress Semiconductor Corp, CY7C0241-25AC Datasheet - Page 11

• Manufacturer Part Number: CY7C0241-25AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C0241-25AC

• Density: 72Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 12b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 250mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 18b
• Number Of Words: 4K
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Notes
Document #: 38-06035 Rev. *D
23. R/W is HIGH for read cycles
24. Device is continuously selected CE = V
25. OE = V
26. Address valid prior to or coincident with CE transition LOW.
27. To access RAM, CE = V
CURRENT
DATA OUT
ADDRESS
DATA OUT
ADDRESS
DATA OUT
UB or LB
LB or UB
CE and
IL
.
CE
I
OE
I
CC
SB
PREVIOUS DATA VALID
IL
, UB or LB = V
Figure 4. Read Cycle No. 1 (Either Port Address Access)
Figure 5. Read Cycle No. 2 (Either Port CE/OE Access)
t
OHA
IL
Figure 6. Read Cycle No. 3 (Either Port)
IL
and UB or LB = V
, SEM = V
t
AA
t
PU
t
AA
IH
t
t
LZCE
LZCE
. To access semaphore, CE = V
t
LZCE
t
t
IL
ACE
ABE
. This waveform cannot be used for semaphore reads.
t
LZOE
t
t
RC
ACE
t
RC
t
DOE
IH
, SEM = V
[23, 25, 26, 26, 27]
IL
DATA VALID
.
[23, 26, 27]
[23, 24, 25]
DATA VALID
t
OHA
CY7C024/024A/0241
t
t
t
OHA
HZCE
PD
t
t
t
HZCE
HZCE
HZOE
CY7C025/0251
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