CY7C136-25JCT Cypress Semiconductor Corp, CY7C136-25JCT Datasheet - Page 9

CY7C136-25JCT

Manufacturer Part Number
CY7C136-25JCT
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet

Specifications of CY7C136-25JCT

Density
16Kb
Access Time (max)
25ns
Sync/async
Asynchronous
Architecture
Not Required
Clock Freq (max)
Not RequiredMHz
Operating Supply Voltage (typ)
5V
Address Bus
22b
Package Type
PLCC
Operating Temp Range
0C to 70C
Number Of Ports
2
Supply Current
170mA
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
2K
Lead Free Status / RoHS Status
Not Compliant
Switching Waveforms
Note
Document #: 38-06031 Rev. *E
21. If the CE LOW transition occurs simultaneously with or after the R/W LOW transition, the outputs remain in a high impedance state.
ADDRESS
CE
CE
DATA
ADDRESS
R
L
ADDRESS
D
Valid First:
Valid First:
R/W
OUT
CE
IN
BUSY
BUSY
CE
CE
CE
CE
L,R
L,R
R
R
R
L
L
L
Figure 8. Write Cycle No. 2 (R/W Three-States Data I/Os—Either Port)
(continued)
t
SA
Figure 9. Busy Timing Diagram No. 1 (CE Arbitration)
t
t
PS
PS
t
SCE
ADDRESS MATCH
ADDRESS MATCH
t
AW
t
HZWE
t
WC
t
t
BLC
BLC
t
PWE
HIGH IMPEDANCE
CY7C136A, CY7C142, CY7C146
t
SD
DATA VALID
t
t
BHC
BHC
t
HD
t
LZWE
t
HA
CY7C132, CY7C136
[12, 21]
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