CY7C027V-15AC Cypress Semiconductor Corp, CY7C027V-15AC Datasheet - Page 8

• Manufacturer Part Number: CY7C027V-15AC
• Description: IC SRAM 512KBIT 15NS 100LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C027V-15AC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 512K (32K x 16)
• Speed: 15ns
• 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: 428-1164

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
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
I
OE
CC
SB
.
PREVIOUS DATA VALID
IL
, UB or LB = V
t
OHA
[20, 22, 23, 24]
IL
IL
, SEM = V
t
and UB or LB = V
AA
t
PU
t
AA
IH
t
t
. To access semaphore, CE = V
LZCE
LZCE
t
LZCE
[20, 23, 24]
t
t
ABE
ACE
IL
[20, 21, 22]
. This waveform cannot be used for semaphore reads.
t
LZOE
t
t
RC
ACE
t
RC
t
DOE
8
IH
, SEM = V
IL
.
DATA VALID
DATA VALID
t
OHA
CY7C027V/028V
CY7C037V/038V
t
t
t
OHA
HZCE
PD
t
t
t
HZOE
HZCE
HZCE