Cypress CY7C1387F, CY7C1386F, CY7C1386D, CY7C1387D manual Switching Waveforms, Read Cycle Timing

Page 21

CY7C1386D, CY7C1386F

CY7C1387D, CY7C1387F

Switching Waveforms

Read Cycle Timing [26]

tCYC

CLK

tCH

tADS tADH

tCL

ADSP

tADS tADH

ADSC

tAS tAH

ADDRESS

GW, BWE,BW

X

CE

ADV

OE

Data Out (DQ)

A1

A2

A3

tWES

tWEH

Burst continued with

new base address

 

 

tCES tCEH

 

Deselect

 

cycle

 

 

tADVS tADVH

ADV suspends burst

 

 

tOEV

tCO

 

t

tOEHZ

tOELZ

tDOH

tCHZ

 

CLZ

 

 

 

High-Z

Q(A1)

Q(A2)

Q(A2 + 1)

Q(A2 + 2)

Q(A2+ 3)

Q(A2)

Q(A2 + 1)

Q(A3)

 

tCO

 

 

 

 

Burst wraps around

 

 

 

 

 

 

 

 

 

Single READ

 

 

BURST READ

 

to its initial state

 

 

 

 

 

 

 

 

DON’T CARE

UNDEFINED

Note

26. 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 Number: 38-05545 Rev. *E

Page 21 of 30

[+] Feedback

Image 21
Contents Selection Guide Features250 MHz 200 MHz 167 MHz Unit Cypress Semiconductor CorporationLogic Block Diagram CY7C1387D/CY7C1387F 3 1M x Logic Block Diagram CY7C1386D/CY7C1386F 3 512K xPin Configurations Pin Tqfp Pinout 3 Chip Enables CY7C1386D 512K XCY7C1387D 1M x Pin Configurations Ball BGA Pinout 1 Chip Enable Pin Configurations Ball Fbga Pinout 3 Chip Enable Pin Definitions Power supply inputs to the core of the deviceName Description Byte write select inputs, active LOW. Qualified withFunctional Overview Interleaved Burst Address Table Mode = Floating or VDD Linear Burst Address Table Mode = GNDZZ Mode Electrical Characteristics Operation Add. Used Truth Table for Read/Write 6 Function CY7C1386D/CY7C1386FFunction CY7C1387D/CY7C1387F TAP Controller Block Diagram TAP Controller State DiagramTAP Instruction Set Bypass RegisterTAP Timing TAP AC Switching Characteristics5V TAP AC Test Conditions 3V TAP AC Test Conditions3V TAP AC Output Load Equivalent GND VIN VddqScan Register Sizes Identification Register DefinitionsIdentification Codes Register Name Bit SizeBall BGA Boundary Scan Order 14 Bit # Ball IDInternal M11 A10 B10M10 G10 F10 InternalMaximum Ratings Electrical CharacteristicsOperating Range Range AmbientCapacitance Thermal ResistanceAC Test Loads and Waveforms Description 250 200 167 Unit Parameter Min Switching Characteristics Over the Operating Range 20Read Cycle Timing Switching WaveformsAdsc Write Cycle Timing 26Read/Write Cycle Timing 26, 28 ZZ Mode Timing 30 Ordering Information CY7C1386D, CY7C1386F CY7C1387D, CY7C1387F Pin Thin Plastic Quad Flat pack 14 x 20 x 1.4 mm Package DiagramsBall BGA 14 x 22 x 2.4 mm Ball Fbga 13 x 15 x 1.4 mm Issue Date Orig. Description of Change Document HistoryDocument Number