CY7C421(2002) Просмотр технического описания (PDF) - Cypress Semiconductor

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CY7C421
(Rev.:2002)

256/512/1K/2K/4K x 9 Asynchronous FIFO

Cypress Semiconductor 

Switching Waveforms (continued)

Empty Flag and Read Data Flow-Through Mode

CY7C419/21/25/29/33

DATA IN

W

R

EF

DATA OUT

tRAE

tRPE

tREF

tWEF

tHWZ

tA

DATA VALID

Full Flag and Write Data Flow-Through Mode

C420–15

R

W

FF

DATA IN

DATA OUT

tWAF

tWPF

tRFF

tWFF

tA

DATA VALID

tHD

DATA VALID

tSD

C420–16

Document #: 38-06001 Rev. *A

Page 10 of 22

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