CY7C008V-20AC Cypress Semiconductor Corp, CY7C008V-20AC Datasheet - Page 10
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CY7C008V-20AC
Manufacturer Part Number
CY7C008V-20AC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheets
1.CY7C008V-20AC.pdf
(18 pages)
2.CY7C008V-20AC.pdf
(18 pages)
3.CY7C008V-20AC.pdf
(18 pages)
4.CY7C008V-20AC.pdf
(18 pages)
Specifications of CY7C008V-20AC
Density
512Kb
Access Time (max)
20ns
Operating Supply Voltage (typ)
5V
Package Type
TQFP
Operating Temp Range
0C to 70C
Supply Current
265mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
100
Word Size
8b
Lead Free Status / Rohs Status
Not Compliant
Document #: 38-06044 Rev. *C
Switching Waveforms
Timing Diagram of Semaphore Contention
Semaphore Read After Write Timing, Either Side
Notes:
32. CE = HIGH for the duration of the above timing (both write and read cycle).
33. I/O
34. Semaphores are reset (available to both ports) at cycle start.
35. If t
A
A
A
SPS
0R
0R
0L
0
SEM
–A
SEM
SEM
R/W
I/O
R/W
R/W
–A
–A
= I/O
OE
is violated, the semaphore will definitely be obtained by one side or the other, but which side will get the semaphore is unpredictable.
2
2L
2R
0
R
R
L
L
0L
= LOW (request semaphore); CE
t
SA
(continued)
VALID ADRESS
t
AW
WRITE CYCLE
R
t
t
PWE
SCE
= CE
t
SD
DATA
t
MATCH
SPS
MATCH
[33, 34, 35]
L
= HIGH.
t
IN
HA
VALID
[32]
t
HD
t
SWRD
t
SOP
t
SOP
READ CYCLE
t
SAA
VALID ADRESS
t
DOE
t
ACE
DATA
CY7C008V/009V
CY7C018V/019V
OUT
VALID
t
OHA
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