CY7C131-55JCT Cypress Semiconductor Corp, CY7C131-55JCT Datasheet - Page 9

• Manufacturer Part Number: CY7C131-55JCT
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C131-55JCT

• Density: 8Kb
• Access Time (max): 55ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 20b
• Package Type: PLCC
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 110mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 52
• Word Size: 8b
• Number Of Words: 1K
• Lead Free Status / RoHS Status: Not Compliant

Switching Waveforms
Notes
Document #: 38-06002 Rev. *F
20. R/W is HIGH for read cycle.
21. Device is continuously selected, CE = V
22. Address valid prior to or coincident with CE transition LOW.
DATA OUT
DATA OUT
ADDRESS
ADDRESS
ADDRESS
I
OE
I
DOUT
CE
BUSY
CC
SB
R/W
D
INR
R
L
L
R
L
PREVIOUS DATA VALID
t
PU
t
LZCE
t
OHA
IL
t
LZOE
and OE = V
Read with BUSY, Master: CY7C130 and CY7C131
t
t
PS
ACE
IL
.
Figure 5. Read Cycle No. 1
Figure 6. Read Cycle No. 2
Figure 7. Read Cycle No. 3
t
Either Port CE/OE Access
DOE
Either Port Address Access
t
BLA
t
ADDRESS MATCH
AA
t
RC
t
RC
t
PWE
ADDRESS MATCH
DATA VALID
[20, 21]
[20, 22]
[21]
t
WDD
VALID
t
HZOE
t
DDD
DATA VALID
t
BHA
t
CY7C130, CY7C130A
CY7C131, CY7C131A
HD
t
HZCE
t
PD
t
BDD
VALID
Page 9 of 19
[+] Feedback
[+] Feedback