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CY7C4281 Datasheet(PDF) 5 Page - Cypress Semiconductor

Part No. CY7C4281
Description  64K/128K x 9 Deep Sync FIFOs
Download  16 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C4281 Datasheet(HTML) 5 Page - Cypress Semiconductor

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CY7C4281
CY7C4291
Document #: 38-06007 Rev. *C
Page 5 of 16
Figure 2. Block Diagram of 64k x 9/128k x 9 Deep Sync FIFO Memory Used in a Width Expansion Configuration
FF
FF
EF
EF
WRITECLOCK (WCLK)
WRITE ENABLE 1(WEN1)
WRITE ENABLE 2/LOAD
(WEN2/LD)
PROGRAMMABLE(PAF)
FULL FLAG (FF)# 1
CY7C4281/91
9
18
DATAIN (D)
RESET (RS)
9
RESET(RS)
READ CLOCK (RCLK)
READ ENABLE 1 (REN1)
OUTPUT ENABLE (OE)
PROGRAMMABLE(PAE)
EMPTY FLAG (EF) #1
9
DATA OUT (Q)
918
Read Enable 2 (REN2)
CY7C4281/91
EMPTY FLAG (EF) #2
FULL FLAG (FF)# 2
Read Enable 2 (REN2)


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