beautypg.com

Switching waveforms – Cypress CY14B108L User Manual

Page 11

background image

ADVANCE

CY14B108L, CY14B108N

Document Number: 001-45523 Rev. *A

Page 11 of 20

Figure 6. SRAM Read Cycle #2: CE and OE Controlled

[10, 21, 23]

Figure 7. SRAM Write Cycle #1: WE Controlled

[13, 21, 22, 23]

Switching Waveforms

(continued)

ADDRESS

t

RC

CE

t

ACE

t

LZCE

t

PD

t

HZCE

OE

t

DOE

t

LZOE

DATA VALID

ACTIVE

STANDBY

t

PU

DQ (DATA OUT)

ICC

t

LZBE

t

DBE

t

HZBE

HZOE

t

t

HZCE

BHE , BLE

t

WC

t

SCE

t

HA

t

AW

t

SA

t

PWE

t

SD

t

HD

t

HZWE

t

LZWE

ADDRESS

CE

WE

DATA IN

DATA OUT

DATA VALID

HIGH IMPEDANCE

PREVIOUS DATA

BHE , BLE

t

BW

Notes

22. CE or WE must be >V

IH

during address transitions.

23. BHE and BLE are applicable for x16 configuration only.

[+] Feedback

This manual is related to the following products: