CY7C164(2006) Ver la hoja de datos (PDF) - Cypress Semiconductor

Número de pieza

componentes Descripción

Fabricante

CY7C164
(Rev.:2006)

16K x 4 Static RAM

Cypress Semiconductor 

Switching Waveforms (continued)

Write Cycle No. 1(WE Controlled)[7,11]

ADDRESS

CE

WE

DATA IN

DATA I/O

tWC

tSCE

tAW

tSA

DATA UNDEFINED

tHA

tPWE

tSD

tHD

DATAINVALID

tHZWE

tLZWE

HIGH IMPEDANCE

Write Cycle No. 2(CE Controlled)[7,11,12]

ADDRESS

tSA

CE

WE

DATA IN

tWC

tSCE

tAW

tPWE

tSD

DATAIN VALID

tHA

tHD

DATA I/O

Notes:

11. CY7C166 only: Data I/O will be high-impedance if OE = VIH.

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

HIGH IMPEDANCE

CY7C164

CY7C166

C164–9

C164–10

Document #: 38-05025 Rev. *A

Page 5 of 9

[+] Feedback

Share Link: