CY7C1340G 데이터 시트보기 (PDF) - Cypress Semiconductor

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CY7C1340G

4-Mbit (128K x 32) Pipelined DCD Sync SRAM

Cypress Semiconductor 

Switching Waveforms

Read Timing[17]

tCYC

CY7C1340G

CLK

ADSP

ADSC

ADDRESS

GW, BWE,BW

[A:D]

CE

ADV

OE

Data Out (Q)

tCH tCL

tADS tADH

tADS tADH

tAS tAH

A1

A2

tWES tWEH

tCES tCEH

A3

Burst continued with

new base address

Deselect

cycle

tADVS tADVH

ADV suspends burst

t

CLZ

High-Z

tCO

tOEHZ

Q(A1)

tOEV

tCO

tOELZ

tDOH

Q(A2) Q(A2 + 1)

Single READ

tCHZ

Q(A2 + 2)

Q(A2 + 3)

BURST READ

Q(A2) Q(A2 + 1) Q(A3)

Burst wraps around

to its initial state

DON’T CARE

UNDEFINED

Note:

17. On this diagram, when CE is LOW: CE1 is LOW, CE2 is HIGH and CE3 is LOW. When CE is HIGH: CE1 is HIGH or CE2 is LOW or CE3 is HIGH.

Document #: 38-05522 Rev. *D

Page 11 of 16

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