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CY7C1024DV33

Document Number: 001-08353 Rev. *C

 Page 7 of 9 

Figure 6.  Write Cycle No. 2 (WE Controlled, OE HIGH During Write) 

[3, 16, 17]

Figure 7.  Write Cycle No. 3 (WE Controlled, OE LOW) 

[3, 17]

Truth Table

CE

1

CE

2

CE

3

OE

WE

I/O

– I/O

23

Mode

Power

H

X

X

X

X

High  Z

Power  Down

Standby  (I

SB

)

X

L

X

X

X

High Z

Power Down

Standby (I

SB

)

X

X

H

X

X

High Z

Power Down

Standby (I

SB

)

L

H

L

L

H

Full Data Out

Read

Active (I

CC

)

L

H

L

X

L

Full Data In

Write

Active (I

CC

)

L

H

L

H

H

High Z

Selected, Outputs Disabled  Active (I

CC

)

Switching Waveforms 

 (continued)

t

HD

t

SD

t

PWE

t

SA

t

HA

t

AW

t

SCE

t

WC

t

HZOE

DATA

IN

VALID

NOTE

 

18

CE

ADDRESS

WE

DATA I/O

OE

DATA VALID

t

HD

t

SD

t

LZWE

t

PWE

t

SA

t

HA

t

AW

t

SCE

t

WC

t

HZWE

NOTE

 

18

CE

ADDRESS

WE

DATA I/O

Note

18. During this period, the I/Os are in the output state and input signals are not applied.

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Summary of Contents for CY7C1024DV33

Page 1: ...ice has an automatic power down feature that significantly reduces power consumption when deselected To write to the device enable the chip CE1 LOW CE2 HIGH and CE3 LOW while forcing the Write Enable...

Page 2: ...2 NC CE3 NC I O0 D I O13 VDD VSS VSS VSS VDD I O1 E I O14 VSS VDD VSS VDD VSS I O2 F I O15 VDD VSS VSS VSS VDD I O3 G I O16 VSS VDD VSS VDD VSS I O4 H I O17 VDD VSS VSS VSS VDD I O5 J NC VSS VDD VSS V...

Page 3: ...eakage Current GND VOUT VCC output disabled 1 1 A ICC VCC Operating Supply Current VCC Max f fMAX 1 tRC IOUT 0 mA CMOS levels 175 mA ISB1 Automatic CE Power Down Current TTL Inputs Max VCC CE VIH VIN...

Page 4: ...nsists of all components of the test environment Rise Time 1V ns Including jig and scope Notes 4 Valid SRAM operation does not occur until the power supplies have reached the minimum operating VDD 3 0...

Page 5: ...12 Operation Recovery Time tRC ns Data Retention Waveform AC Switching Characteristics continued Over the Operating Range 5 Parameter Description 10 Unit Min Max 3 0V 3 0V tCDR VDR 2V DATA RETENTION...

Page 6: ...DATA VALID tRC tACE tDOE tLZOE tLZCE tPU HIGH IMPEDANCE tHZOE tHZCE tPD HIGH ICC ISB IMPEDANCE OE CE ADDRESS DATA OUT VCC SUPPLY CURRENT tWC DATA VALID tAW tSA tPWE tHA tHD tSD tSCE tSCE CE WE DATA I...

Page 7: ...andby ISB X X H X X High Z Power Down Standby ISB L H L L H Full Data Out Read Active ICC L H L X L Full Data In Write Active ICC L H L H H High Z Selected Outputs Disabled Active ICC Switching Wavefo...

Page 8: ...g Information Speed ns Ordering Code Package Name Package Type Operating Range 10 CY7C1024DV33 10BGXI 51 85115 119 Ball Plastic Ball Grid Array 14 x 22 x 2 4 mm Pb Free Industrial Package Diagram Figu...

Page 9: ...to the materials described herein Cypress does not assume any liability arising out of the application or use of any product or circuit described herein Cypress does not authorize its products for us...

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