CY7C006-25AC Cypress Semiconductor Corp, CY7C006-25AC Datasheet - Page 10

• Manufacturer Part Number: CY7C006-25AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C006-25AC

• Density: 128Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 14b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 220mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Word Size: 8b
• Number Of Words: 16K
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Read with BUSY (M/S=HIGH)
Semaphore Contention
Write Timing with Busy Input (M/S=LOW)
Notes:
26. I/O
27. Semaphores are reset (available to both ports) at cycle start.
28. If t
ADDRESS
ADDRESS
DATA
DATA IN
A
A
0R
BUSY
0L
R/W
SPS
0R
SEM
OUTL
SEM
–A
R/W
BUSY
–A
R/W
R/W
= I/O
is violated, the semaphore will definitely be obtained by one side or the other, but there is no guarantee which side will control the semaphore.
2R
2L
R
R
R
L
L
R
R
L
L
0L
= LOW (request semaphore); CE
[26, 27, 28]
(continued)
t
[19]
PS
R
= CE
t
WB
L
t
= HIGH.
MATCH
SPS
MATCH
t
BLA
MATCH
MATCH
t
WC
t
PWE
10
t
PWE
t
WH
t
WDD
t
VALID
SD
t
DDD
t
HD
t
BHA
t
BDD
CY7C006
CY7C016
VALID
C006-16
C006-17
C006-18