CY7C1212H データシートの表示（PDF） - Cypress Semiconductor

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CY7C1212H

1-Mbit (64K x 18) Pipelined Sync SRAM

Cypress Semiconductor 

Switching Waveforms

Read Cycle Timing[17]

tCYC

CY7C1212H

CLK

ADSP

ADSC

ADDRESS

GW, BWE,

BW[A:B]

CE

ADV

OE

Data Out (Q)

tCH tCL

t

ADS

tADH

tADS tADH

tAS tAH

A1

A2

tWES tWEH

A3

Burst continued with

new base address

tCES tCEH

Deselect

cycle

tADVS tADVH

tCLZ

High-Z

tCO

tOEHZ

Q(A1)

Single READ

ADV

suspends

burst.

tOEV

tCO

tOELZ

tDOH

Q(A2) Q(A2 + 1)

Q(A2 + 2)

Q(A2 + 3)

BURST READ

tCHZ

Q(A2) Q(A2 + 1)

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 #: 38-05668 Rev. *B

Page 10 of 15

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