CY7C006A-15JC Cypress Semiconductor Corp, CY7C006A-15JC Datasheet - Page 12

• Manufacturer Part Number: CY7C006A-15JC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C006A-15JC

• Density: 128Kb
• Access Time (max): 15ns
• Operating Supply Voltage (typ): 5V
• Package Type: LCC
• Operating Temp Range: 0C to 70C
• Supply Current: 280mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 68
• Word Size: 8b
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Document #: 38-06045 Rev. *C
Semaphore Read After Write Timing, Either Side
Timing Diagram of Semaphore Contention
Notes:
35. CE = HIGH for the duration of the above timing (both write and read cycle).
36. I/O
37. Semaphores are reset (available to both ports) at cycle start.
38. If t
A
A
A
SPS
0R
0R
0L
0
SEM
SEM
SEM
–A
R/W
R/W
R/W
I/O
–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
0
2R
R
L
L
R
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
L
[36, 37, 38]
= HIGH.
t
IN
HA
VALID
t
[35]
HD
t
SWRD
t
SOP
t
SOP
READ CYCLE
t
AA
VALID ADRESS
t
DOE
t
ACE
CY7C006A/CY7C007A
CY7C016A/CY7C017A
DATA
OUT
VALID
t
OHA
Page 12 of 20