Cypress CY7C1350G manual ZZ Mode Timing23, NOP, STALL, and Deselect Cycles19, 20

Page 11

CY7C1350G

Switching Waveforms (continued)

NOP, STALL, and DESELECT Cycles[19, 20, 22]

1

2

3

4

5

6

7

8

9

10

CLK

CEN

CE

ADV/LD

WE

BW[A:D]

ADDRESS A1 A2 A3 A4 A5

					tCHZ
Data	D(A1)	Q(A2)	Q(A3)	D(A4)	Q(A5)
In-Out (DQ)

WRITE

D(A1)

READ Q(A2)

STALL

READ Q(A3)

WRITE

D(A4)

STALL

NOP

READ Q(A5)

DESELECT

CONTINUE DESELECT

DON’T CARE

UNDEFINED

ZZ Mode Timing[23, 24]

CLK

ZZ

ISUPPLY

ALL INPUTS (except ZZ)

Outputs (Q)

tZZ

t ZZI

I DDZZ

High-Z

DON’T CARE

t ZZREC

t RZZI

DESELECT or READ Only

Notes:

22.The IGNORE CLOCK EDGE or STALL cycle (Clock 3) illustrates CEN being used to create a pause. A write is not performed during this cycle.

23.Device must be deselected when entering ZZ mode. See cycle description table for all possible signal conditions to deselect the device.

24.DQs are in high-Z when exiting ZZ sleep mode.

Document #: 38-05524 Rev. *F

Page 11 of 15

[+] Feedback

Image 11

Contents Champion Court San Jose , CA Document # 38-05524 Rev. *F FeaturesLogic Block Diagram Cypress Semiconductor Corporation250 MHz 200 MHz 166 MHz 133 MHz 100 MHz Unit Pin ConfigurationsSelection Guide CY7C1350GByte Write Inputs, active LOW . Qualified with Pin Configurations Ball BGA PinoutPin Definitions Name DescriptionFunctional Overview Linear Burst Address Table Mode = GND Interleaved Burst Address Table Mode = Floating or VDDFunction ZZ Mode Electrical CharacteristicsPartial Truth Table for Read/Write 2, 3 Operation Address UsedAmbient Range Electrical Characteristics Over the Operating Range10Maximum Ratings Operating RangeParameter Description Test Conditions Tqfp 119 BGA Unit Max Capacitance12Thermal Resistance AC Test Loads and WaveformsSwitching Characteristics Over the Operating Range17 Address A1 A2 Switching WaveformsRead/Write Timing19, 20 CENNOP, STALL, and Deselect Cycles19, 20 ZZ Mode Timing23Ordering Information Pin Tqfp 14 x 20 x 1.4 mm Package DiagramsBall BGA 14 x 22 x 2.4 mm Document History Issue Orig. Description of Change Date