White Electronic Designs
TIMING WAVEFORM - READ CYCLE
WMS512K8-XXX
t
RC
ADDRESS
t
AA
t
RC
ADDRESS
CS#
t
AA
t
OH
DATA I/O
PREVIOUS DATA VALID
DATA VALID
t
ACS
t
CLZ
OE#
t
OE
t
CHZ
t
OHZ
DATA VALID
READ CYCLE 1 (CS# = OE# = V
IL
, WE# = V
IH
)
t
OLZ
DATA I/O
HIGH IMPEDANCE
READ CYCLE 2 (WE# = V
IH
)
WRITE CYCLE - WE# CONTROLLED
t
WC
ADDRESS
t
AW
t
CW
CS#
t
AH
t
AS
WE#
t
WP
t
OW
t
WHZ
t
DW
DATA VALID
t
DH
DATA I/O
WRITE CYCLE 1, WE# CONTROLLED
WRITE CYCLE - CS# CONTROLLED
t
WC
ADDRESS
t
AW
t
AS
CS#
t
CW
t
AH
t
WP
WE#
t
DW
t
DH
DATA I/O
WRITE CYCLE 2, CS# CONTROLLED
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
October 2004
Rev. 10
4
DATA VALID
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
