CY7C474 データシートの表示（PDF） - Cypress Semiconductor

部品番号

コンポーネント説明

メーカー

CY7C474

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

Cypress Semiconductor 

Switching Waveforms

Asynchronous Read and Write

tCY

tPW

tA

tRV

tA

R

Q0–Q 8

W

D0–D 8

tLZR

tPW

tDVR

DATA VALID

tCY

tRV

tSD

tHD

DATA VALID

MasterReset (No Write to Programmable Flag Register)

MR

tRV

tCY

tPW

R, W

tHFD

HF

E/F

tEFL

PAFE

tAFED

tHZR

DATA VALID

tPW

tSD

tHD

DATA VALID

tRV

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

tCY

tRV

tCY

tPW

tRV

MR

W(R)

D0–D8

(Q0–Q8)

tPW

tRV

tRV

tCY

tHD

VALID

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.

CY7C470

CY7C472

CY7C474

7C470–7

7C470–8

7C470–9

5

Share Link: