CY7C4235-25AC Cypress Semiconductor Corp, CY7C4235-25AC Datasheet - Page 9

• Manufacturer Part Number: CY7C4235-25AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4235-25AC

• Density: 36Kb
• Word Size: 18b
• Sync/async: Synchronous
• Expandable: Yes
• Package Type: TQFP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Full Flag Timing
Half-Full Flag Timing
Q
D
0
0
WCLK
WCLK
RCLK
RCLK
–D
–Q
WEN
WEN
REN
REN
OE
HF
17
FF
17
DATA IN OUTPUT REGISTER
t
LOW
SKEW1
[13]
t
ENS
NO WRITE
(continued)
HALF FULL OR LESS
t
t
WFF
CLKH
t
t
A
ENH
t
DS
t
ENS
9
DATA WRITE
t
ENH
t
CLKL
t
HF
DATAREAD
t
ENS
t
t
WFF
SKEW1
HALF FULL+1
[13]
OR MORE
t
ENS
CY7C4425/4205/4215
CY7C4225/4235/4245
NO WRITE
t
HF
t
WFF
t
t
A
ENH
HALF FULL OR LESS
NEXT DATA READ
DATA WRITE
42X5–12
42X5–11