CY7C0852V-133AC Cypress Semiconductor Corp, CY7C0852V-133AC Datasheet - Page 23

• Manufacturer Part Number: CY7C0852V-133AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C0852V-133AC

• Density: 4Mb
• Access Time (max): 4.4ns
• Sync/async: Synchronous
• Architecture: SDR
• Clock Freq (max): 133MHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 17b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 300mA
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 176
• Word Size: 36b
• Number Of Words: 128K
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Notes
Document #: 38-06070 Rev. *H
32. CE
33. No dead cycle exists during counter reset. A Read or Write cycle may be coincidental with the counter reset.
34. Retransmit happens if the counter remains in increment mode after it wraps to initially loaded value.
INTERNAL
ADDRESS
ADDRESS
DATA
0
CNTRST
DATA
= B0 – B3 = LOW; CE
CNTEN
ADS
R/W
CLK
OUT
[34]
IN
t
SRST
A
x
t
HRST
1
t
COUNTER
CH2
= MRST = CNT/MSK = HIGH.
RESET
t
CYC2
t
CL2
(continued)
t
SW
t
SD
D
0
t
t
HW
HD
ADDRESS 0
WRITE
Figure 19. Counter Reset
0
t
CKLZ
ADDRESS 0
READ
ADDRESS 1
t
CD2
READ
[32, 33]
1
Q
A
CY7C0850AV, CY7C0851AV
CY7C0852AV, CY7C0853AV
0
n
ADDRESS A
t
READ
CD2
A
t
SA
n
n
A
Q
m
1
t
ADDRESS A
HA
READ
A
m
m
Q
A
Page 23 of 32
n
p
A
p
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