CY7C421-20JXI Ver la hoja de datos (PDF) - Cypress Semiconductor

Número de pieza

componentes Descripción

Fabricante

CY7C421-20JXI

512 × 9 Asynchronous FIFO

Cypress Semiconductor 

Logic Block Diagram

DATA INPUTS

(D0–D 8)

W

WRITE

CONTROL

RAM ARRAY

WRITE

POINTER

512 x 9

READ

POINTER

R

READ

CONTROL

THREE-

STATE

BUFFERS

DATA OUTPUTS

(Q0–Q 8)

FLAG

LOGIC

EF

FF

EXPANSION

XI

LOGIC

XO/HF

RESET

LOGIC

MR

FL/RT

CY7C421

Document Number: 38-06001 Rev. *H

Page 2 of 21

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