CY7C4291-15JC Cypress Semiconductor Corp, CY7C4291-15JC Datasheet - Page 5

• Manufacturer Part Number: CY7C4291-15JC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4291-15JC

• Configuration: Dual
• Density: 1.125Mb
• Access Time (max): 10ns
• Word Size: 9b
• Organization: 128Kx9
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: PLCC
• Clock Freq (max): 66.7MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 40mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-06007 Rev. *C
WRITE ENABLE 1(WEN1)
WRITE ENABLE 2/LOAD
PROGRAMMABLE(PAF)
DATA IN (D)
WRITECLOCK (WCLK)
Figure 2. Block Diagram of 64k x 9/128k x 9 Deep Sync FIFO Memory Used in a Width Expansion Configuration
FULL FLAG (FF) # 1
FULL FLAG (FF) # 2
(WEN2/LD)
18
9
Read Enable 2 (REN2)
FF
CY7C4281/91
RESET (RS)
EF
9
9
Read Enable 2 (REN2)
FF
CY7C4281/91
RESET (RS)
EF
EMPTY FLAG (EF) #2
EMPTY FLAG (EF) #1
9
READ CLOCK (RCLK)
READ ENABLE 1 (REN1)
OUTPUT ENABLE (OE)
PROGRAMMABLE(PAE)
DATA OUT (Q)
CY7C4281
CY7C4291
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