CY7C144AV-20AC Cypress Semiconductor Corp, CY7C144AV-20AC Datasheet - Page 10
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CY7C144AV-20AC
Manufacturer Part Number
CY7C144AV-20AC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C144AV-20AC.pdf
(20 pages)
Specifications of CY7C144AV-20AC
Density
64Kb
Access Time (max)
20ns
Operating Supply Voltage (typ)
3.3V
Package Type
TQFP
Operating Temp Range
0C to 70C
Supply Current
175mA
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Word Size
8b
Lead Free Status / Rohs Status
Not Compliant
Switching Waveforms
Document #: 38-06051 Rev. *C
Read Cycle No. 3 (Either Port)
Read Cycle No. 2 (Either Port CE/OE Access)
Read Cycle No. 1 (Either Port Address Access)
CURRENT
Notes:
DATA OUT
24. R/W is HIGH for read cycles.
25. Device is continuously selected CE = V
26. OE = V
27. Address valid prior to or coincident with CE transition LOW.
28. To access RAM, CE = V
ADDRESS
DATA OUT
ADDRESS
DATA OUT
IL
CE
.
I
OE
I
CE
CC
SB
PREVIOUS DATA VALID
IL
, SEM = V
t
OHA
[24, 26, 27, 28]
IH
. To access semaphore, CE = V
IL
. This waveform cannot be used for semaphore reads.
t
AA
t
PU
t
AA
t
t
LZCE
LZCE
t
LZCE
[24, 27, 28]
t
t
ACE
ABE
[24, 25, 26]
t
LZOE
t
t
RC
ACE
t
RC
IH
t
DOE
, SEM = V
IL
.
DATA VALID
CY7C138AV/144AV/006AV
CY7C139AV/145AV/016AV
DATA VALID
CY7C007AV/017AV
t
OHA
t
t
t
OHA
HZCE
PD
t
t
HZOE
HZCE
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