CY7C1049CV33-10VXA 查看數據表（PDF） - Cypress Semiconductor

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CY7C1049CV33-10VXA

4-Mbit (512 K × 8) Static RAM

Cypress Semiconductor 

CY7C1049CV33 Automotive

Switching Waveforms (continued)

Figure 7. Write Cycle No. 2 (WE Controlled, OE LOW) [17]

ADDRESS

CE

tSA

WE

DATA I/O

NOTE 18

tHZWE

Truth Table

CE

OE

H

X

L

L

L

X

L

H

WE

I/O0–I/O7

X High Z

H Data Out

L Data In

H High Z

tWC

tSCE

tAW

tPWE

tSD

DATA VALID

Mode

Power Down

Read

Write

Selected, Outputs Disabled

tHA

tHD

tLZWE

Power

Standby (ISB)

Active (ICC)

Active (ICC)

Active (ICC)

Notes

17. If CE goes HIGH simultaneously with WE HIGH, the output remains in high impedance state.

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

Document #: 001-67511 Rev. **

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