Cypress CY7C1041DV33 manual AC Switching Characteristics Over the Operating Range8, Write Cycle12

Models: CY7C1041DV33

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CY7C1041DV33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC Switching Characteristics Over the Operating Range[8]

 

 

 

 

Parameter

 

 

 

 

 

 

 

Description

–10 (Industrial)

–12 (Automotive)

Unit

 

 

 

 

 

 

 

Min

Max

Min

Max

 

 

 

 

 

 

 

 

 

 

Read Cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tpower[9]

 

VCC(Typical) to the First Access

100

 

100

 

μs

tRC

 

Read Cycle Time

10

 

12

 

ns

tAA

 

Address to Data Valid

 

10

 

12

ns

tOHA

 

Data Hold from Address Change

3

 

3

 

ns

tACE

 

 

 

 

 

LOW to Data Valid

 

10

 

12

ns

CE

 

 

tDOE

 

 

 

 

 

LOW to Data Valid

 

5

 

6

ns

OE

 

 

tLZOE

 

 

 

 

 

LOW to Low-Z

0

 

0

 

ns

OE

 

 

tHZOE

 

 

 

 

 

HIGH to High-Z[10, 11]

 

5

 

6

ns

OE

 

 

tLZCE

 

 

 

LOW to Low-Z[11]

3

 

3

 

ns

CE

 

 

tHZCE

 

 

 

HIGH to High-Z[10, 11]

 

5

 

6

ns

CE

 

 

tPU

 

 

 

LOW to Power Up

0

 

0

 

ns

CE

 

 

tPD

 

 

 

HIGH to Power Down

 

10

 

12

ns

CE

 

 

tDBE

 

Byte Enable to Data Valid

 

5

 

6

ns

tLZBE

 

Byte Enable to Low-Z

0

 

0

 

ns

tHZBE

 

Byte Disable to High-Z

 

6

 

6

ns

Write Cycle[12, 13]

 

 

 

 

 

 

 

 

 

 

 

 

 

tWC

 

Write Cycle Time

10

 

12

 

ns

tSCE

 

 

 

LOW to Write End

7

 

8

 

ns

CE

 

 

tAW

 

Address Setup to Write End

7

 

8

 

ns

tHA

 

Address Hold from Write End

0

 

0

 

ns

tSA

 

Address Setup to Write Start

0

 

0

 

ns

tPWE

 

 

 

 

 

Pulse Width

7

 

8

 

ns

WE

 

 

tSD

 

Data Setup to Write End

5

 

6

 

ns

tHD

 

Data Hold from Write End

0

 

0

 

ns

tLZWE

 

 

 

 

 

HIGH to Low-Z[11]

3

 

3

 

ns

WE

 

 

tHZWE

 

 

 

 

 

LOW to High-Z[10, 11]

 

5

 

6

ns

WE

 

 

tBW

 

Byte Enable to End of Write

7

 

8

 

ns

Notes

8. Test conditions assume signal transition time of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V, and output loading of the specified IOL/IOH and 30-pF load capacitance.

9. tPOWER gives the minimum amount of time that the power supply should be at typical VCC values until the first memory access is performed.

10. tHZOE, tHZCE, tHZBE, and tHZWE are specified with a load capacitance of 5 pF as in part (c) of AC Test Loads and Waveforms. Transition is measured when the outputs enter a high impedance state.

11.At any given temperature and voltage condition, tHZCE is less than tLZCE, tHZOE is less than tLZOE, tHZBE is less than tLZBE, and tHZWE is less than tLZWE for any given device.

Document #: 38-05473 Rev. *E

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Cypress CY7C1041DV33 manual AC Switching Characteristics Over the Operating Range8, Write Cycle12