IS61LV25616AL
ISSI
®
AC WAVEFORMS
READ CYCLE NO. 1
(1,2)
(Address Controlled) (CE =
OE
= V
IL
,
UB
or
LB
= V
IL
)
1
2
t
OHA
DATA VALID
READ1.eps
t
RC
ADDRESS
t
AA
t
OHA
D
OUT
PREVIOUS DATA VALID
3
4
READ CYCLE NO. 2
(1,3)
t
RC
ADDRESS
5
6
t
AA
t
OHA
t
DOE
t
HZOE
OE
7
8
CE
t
LZOE
t
ACE
t
LZCE
t
HZCE
LB, UB
D
OUT
HIGH-Z
t
LZB
t
BA
t
RC
DATA VALID
t
HZB
V
DD
Supply
Current
t
PU
50%
t
PD
I
CC
50%
9
10
11
12
I
SB
UB_CEDR2.eps
Notes:
1.
WE
is HIGH for a Read Cycle.
2. The device is continuously selected.
OE, CE, UB,
or
LB
= V
IL
.
3. Address is valid prior to or coincident with
CE
LOW transition.
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. A
02/21/03
7