CY7C4285-15ASC Cypress Semiconductor Corp, CY7C4285-15ASC Datasheet - Page 14

• 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
HF/PAE/PAF
Read Expansion In Timing
Retransmit Timing
Notes:
async flags
33. Clocks are free running in this case.
34. The flags may change state during Retransmit as a result of the offset of the read and write pointers, but flags will be valid at t
35. For the synchronous PAE and PAF flags (SMODE), an appropriate clock cycle is necessary after t
REN/WEN
and all
FL/RT
RCLK
EF/FF
RXI
[33, 34, 35]
(continued)
t
PRT
RTR
to update these flags.
t
XIS
t
XI
t
RTR
RTR
.
CY7C4275
CY7C4285
Page 14 of 21
4275–22
4275–23
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