CY7C09579V-67AC Cypress Semiconductor Corp, CY7C09579V-67AC Datasheet - Page 23

• Manufacturer Part Number: CY7C09579V-67AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C09579V-67AC

• Density: 1.125Mb
• Access Time (max): 8ns
• Sync/async: Synchronous
• Architecture: SDR
• Clock Freq (max): 40MHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 15b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 340mA
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 144
• Word Size: 36b
• Number Of Words: 32K
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Pipelined Read of State of Address Counter
Flow-Through Read of State of Address Counter
Notes
Document Number: 38-06054 Rev. *D
ADDRESS
ADDRESS
INTERNAL
ADDRESS
69. CE = OE = V
70. When reading ADDRESS
71. For Pipelined address counter read, signals from address counter operation table from must be valid for 2 consecutive cycles for x36 and x18 mode and for 3
72. For flow-through address counter read, signals from address counter operation table must be valid for consecutive cycles for x36.
DATA
INTERNAL
ADDRESS
DATA
CNTEN
consecutive cycles for x9 mode.
CNTEN
ADS
CLK
ADS
CLK
OUT
OUT
t
t
SCN
IL
SAD
t
t
SCN
SAD
; R/W = CNTRST = V
t
t
SA
SA
Q
A
A
x-2
Q
t
n
t
n
t
HAD
HCN
t
x
t
t
HA
HA
HCN
HAD
EXTERNAL
ADDRESS
t
t
EXTERNAL
CH2
ADDRESS
CH1
LOAD
t
OUT
LOAD
CYC2
t
CYC1
t
SCN
in x9 Bus Match mode, readout of A
t
t
CL2
t
CL1
SCN
IH
(continued)
Q
.
Q
x-1
t
HCN
READ COUNTER ADDRESS
A
n
READ COUNTER ADDRESS
t
n
DC
t
t
CA1
HCN
A
n
Q
A
n
n
t
DC
[69, 70, 71]
t
CA2
N
is extended by 1 cycle.
[69, 70, 72]
A
n+1
A
Q
n
n+1
READ WITH
COUNTER
READ WITH
COUNTER
t
t
SAD
t
SCN
SAD
t
t
HCN
HAD
t
A
A
HAD
COUNTER
n+2
n+1
COUNTER
HOLD
Q
HOLD
n+2
t
SCN
t
HCN
READ WITH COUNTER
Q
READ WITH COUNTER
n+1
CY7C09569V
CY7C09579V
A
A
n+3
n+2
Q
n+3
Page 23 of 32
Q
n+2
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