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

• Manufacturer Part Number: CY7C135-25JXI
• Description: CY7C135-25JXI
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C135-25JXI

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 32K (4K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS 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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