CY7C135-25JC Cypress Semiconductor Corp, CY7C135-25JC Datasheet - Page 6

• Manufacturer Part Number: CY7C135-25JC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C135-25JC

• Density: 32Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 12b
• Package Type: PLCC
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 180mA
• 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: 4K
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Document #: 38-06038 Rev. *D
Notes
12. R/W is HIGH for read cycle.
13. Device is continuously selected, CE = V
14. Address valid prior to or coincident with CE transition LOW.
15. CE
SEM
DATA OUT
ADDRESS
ADDRESS
ADDRESS
DATA
DATA OUT
DATA
L
[11]
= CE
or CE
R/W
OUTL
INR
R
I
OE
I
CC
SB
=LOW; R/W
R
R
L
PREVIOUS DATA VALID
L
= HIGH
t
PU
t
OHA
t
LZCE
IL
and OE = V
t
LZOE
Figure 6. Read Timing with Port-to-Port
t
ACE
IL
Figure 5. Read Cycle No. 2
Figure 4. Read Cycle No. 1
.
Either Port Address Access
t
Either Port CE/OE Access
DOE
t
AA
MATCH
MATCH
t
wc
t
RC
t
PWE
[12,14]
[12,13]
t
DATA VALID
WDD
t
VALID
SD
[15]
t
DDD
t
DATA VALID
HZOE
t
HD
CY7C135, CY7C135A
t
HZCE
t
PD
CY7C1342
VALID
Page 6 of 12
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