Cypress CY7C1364C manual Read/Write Cycle Timing18,20, Clz

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CY7C1364C

Switching Waveforms (continued)

Read/Write Cycle Timing[18,20, 21]

 

 

 

tCYC

CLK

 

 

 

 

 

tCH

tCL

 

tADS

tADH

 

ADSP

 

 

 

ADSC

 

 

 

 

tAS

tAH

 

ADDRESS

A1

A2

 

BWE,

 

 

 

BW[A:D]

 

 

 

 

tCES

tCEH

 

CE

 

 

 

ADV

 

 

 

OE

 

 

 

 

 

 

tCO

A3 A4

tWES tWEH

tDS tDH

A5 A6

Data In (D)

High-Z

t

tOEHZ

 

 

 

 

CLZ

 

Data Out (Q)

High-Z

Q(A1)

Q(A2)

D(A3)

tOELZ

Q(A4) Q(A4+1) Q(A4+2) Q(A4+3)

D(A5) D(A6)

Back-to-Back READs

Single WRITE

BURST READ

DON’T CARE

UNDEFINED

Back-to-Back

WRITEs

Notes:

20.The data bus (Q) remains in High-Z following a Write cycle unless an ADSP, ADSC, or ADV cycle is performed.

21.GW is HIGH.

Document #: 38-05689 Rev. *E

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Contents Cypress Semiconductor Corporation FeaturesFunctional Description1 250 MHz 200 MHz 166 MHz Unit Pin ConfigurationSelection Guide CY7C1364CPin Tqfp Pinout 3 Chip Enables a version Pin Definitions TqfpFunctional Overview Burst Sequences Sleep ModeLinear Burst Address Table Mode = GND First Second Third Fourth AddressWrite Address Next Cycle UsedAdsp Adsc ADV BWE BW D BW C BW B BW a Truth Table for Read/Write3Function Operating Range Electrical Characteristics Over the Operating Range 9Maximum Ratings AC Test Loads and Waveforms Capacitance11Thermal Resistance Switching Characteristics Over the Operating Range12,13 Switching Waveforms Read Cycle Timing18Write Cycle Timing18,19 ADVRead/Write Cycle Timing18,20 CLZZZ Mode Timing22 DON’T CareOrdering Information Package Diagram Pin Tqfp 14 x 20 x 1.4 mmREV ECN no Issue Date Orig. Description of ChangeDocument History