CY7C026A-20AC Cypress Semiconductor Corp, CY7C026A-20AC Datasheet - Page 9

• Manufacturer Part Number: CY7C026A-20AC
• Description: IC SRAM 16KX16 ASYN DUAL 100LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C026A-20AC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 256K (16K 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: Contains lead / RoHS non-compliant
• Other names: 428-1162

Switching Waveforms
Document #: 38-06046 Rev. *A
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
20. R/W is HIGH for read cycles.
21. Device is continuously selected CE = V
22. OE = V
23. Address valid prior to or coincident with CE transition LOW.
24. 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
[20, 22, 23, 24]
IL
IL
t
AA
and UB or LB = V
, SEM = V
t
PU
t
AA
t
t
LZCE
LZCE
IH
t
LZCE
. To access semaphore, CE = V
[20, 23, 24]
t
t
ACE
ABE
[20, 21, 22]
IL
t
LZOE
. This waveform cannot be used for semaphore reads.
t
t
RC
ACE
t
RC
t
DOE
IH
, SEM = V
DATA VALID
IL
.
DATA VALID
t
OHA
t
t
t
OHA
HZCE
PD
t
t
t
HZCE
HZCE
HZOE
CY7C026A
CY7C036A
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