CY7C024AV-25AC Cypress Semiconductor Corp, CY7C024AV-25AC Datasheet - Page 11

• Manufacturer Part Number: CY7C024AV-25AC
• Description: IC SRAM 64KBIT 25NS 100LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C024AV-25AC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 64K (4K x 16)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1155

Document #: 38-06052 Rev. *B
Switching Waveforms
Read Cycle No. 3 (Either Port)
Read Cycle No.2 (Either Port CE/OE Access)
Read Cycle No.1 (Either Port Address Access)
CURRENT
Notes:
DATA OUT
27. R/W is HIGH for read cycles.
28. Device is continuously selected CE = V
29. OE = V
30. Address valid prior to or coincident with CE transition LOW.
31. To access RAM, CE = V
ADDRESS
DATA OUT
ADDRESS
DATA OUT
UB or LB
LB or UB
CE and
CE
IL
I
OE
I
CC
SB
.
PREVIOUS DATA VALID
IL
, UB or LB = V
t
OHA
[27, 29, 30, 31]
IL
IL
, SEM = V
t
and UB or LB = V
AA
t
PU
t
AA
IH
t
t
LZCE
LZCE
. To access semaphore, CE = V
t
LZCE
[27, 30, 31]
t
t
ACE
ABE
IL
[27, 28, 29]
. This waveform cannot be used for semaphore reads.
t
LZOE
t
t
RC
ACE
t
RC
t
DOE
IH
, SEM = V
IL
.
CY7C0241AV/0251AV/036AV
DATA VALID
CY7C024AV/025AV/026AV
DATA VALID
t
OHA
t
t
t
OHA
HZCE
PD
t
t
t
HZOE
HZCE
HZCE
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