CY7C4285-15ASC Cypress Semiconductor Corp, CY7C4285-15ASC Datasheet - Page 10

• Manufacturer Part Number: CY7C4285-15ASC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4285-15ASC

• Configuration: Dual
• Density: 1.125Mb
• Access Time (max): 10ns
• Word Size: 18b
• Organization: 64Kx18
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: TQFP
• Clock Freq (max): 66.7MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 50mA
• 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
Document #: 38-06008 Rev. *A
Half-Full Flag Timing
Programmable Almost Empty Flag Timing
Note:
20. PAE is offset = n. Number of data words into FIFO already = n.
PAE
WCLK
WCLK
RCLK
RCLK
WEN
WEN
REN
REN
HF
[20]
(continued)
HALF FULL OR LESS
t
t
CLKH
CLKH
t
t
ENS
ENS
t
t
ENH
ENH
t
t
CLKL
CLKL
t
PAE
t
HF
t
t
ENS
ENS
HALF FULL + 1
N + 1 WORDS
OR MORE
IN FIFO
t
PAE
t
HF
HALF FULLOR LESS
n WORDS IN FIFO
CY7C4275
CY7C4285
Page 10 of 21
4275–12
4275–13
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