CY7C056V-15AXC Cypress Semiconductor Corp, CY7C056V-15AXC Datasheet - Page 12

• Manufacturer Part Number: CY7C056V-15AXC
• Description: CY7C056V-15AXC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C056V-15AXC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 576K (16K x 36)
• Speed: 15ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Switching Waveforms
Document #: 38-06055 Rev. *E
CURRENT
Notes
DATA OUT
ADDRESS
CE
25. R/W is HIGH for read cycles.
26. Device is continuously selected. CE
27. OE = V
28. Address valid prior to or coinciding with CE
29. To access RAM, CE
B
B
DATA OUT
B
2
ADDRESS
0
and SEM=V
DATA OUT
3
, B
0
CE
, CE
, WA, BA
, B
3
0
, WA, BA
1
, CE
1
, B
, B
IL
I
I
.
CC
SB
2
OE
0
,
1
, B
IL
, and CE
1
PREVIOUS DATA VALID
,
0
= V
1
= B
IL
, CE
0
= B
1
1
=V
t
Read Cycle No. 1 (Either Port Address Access)
OHA
= B
Read Cycle No. 2 (Either Port CE/OE Access)
IH
0
, B
2
= V
= B
0
, B
IL
t
AA
3
, CE
0
, =V
Read Cycle No. 3 (Either Port)
1
, B
t
transition LOW and CE
PU
1
2
IH
=V
t
, B
AA
.
t
t
IH
3
LZCE
LZCE
, WA, BA are valid, and SEM = V
, and B
t
LZCE
t
t
ACE
ABE
0
BYTE SELECT VALID
t
, B
LZOE
1
, B
t
t
RC
SELECT VALID
ACE
2
t
1
, B
RC
transition HIGH.
t
DOE
3
CHIP SELECT VALID
, WA, BA are valid. This waveform cannot be used for semaphore reads.
IH
. To access semaphore, CE
[25, 27, 28, 29]
DATA VALID
[25, 28, 29]
[25, 26, 27]
DATA VALID
0
= V
t
OHA
IH
t
, CE
t
t
OHA
HZCE
PD
1
t
t
t
=V
HZCE
HZCE
HZOE
IL
and SEM = V
CY7C056V
CY7C057V
Page 12 of 26
IL
or CE
0
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