CY7C472-40LMB datasheet(5/15 Pages) CYPRESS

Part #	CY7C472-40LMB

Description	8K x 9 FIFO, 16K x 9 FIFO 32K x 9 FIFO with Programmable Flags

Download	15 Pages

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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5 / 15 page

CY7C470

CY7C472

CY7C474

5

Switching Waveforms

Notes:

8.

Waveform labels in parentheses pertain to writing the programmable flag register from the output port (Q0 – Q8).

9.

Master Reset (MR) must be pulsed LOW once prior to programming.

tRV

Asynchronous Read and Write

7C470–7

DATA VALID

tSD

tHD

tCY

tPW

tA

tRV

tA

tLZR

tDVR

tHZR

tCY

tPW

tRV

R

Q0–Q 8

W

D0–D 8

MasterReset (No Write to Programmable Flag Register)

MR

R,W

E/F

PAFE

HF

tCY

tPW

tHFD

tEFL

tAFED

tRV

MR

W(R)

7C470–8

7C470–9

tRV

tPW

tRV

VALID

D0–D8

(Q0–Q8)

tHD

tPW

tSD

tHD

tCY

tPW

tCY

Master Reset (Write to Programmable Flag Register)[8,9]

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