Datasheet

19
LTC1409
U
S
A
O
PP
L
IC
AT
I
WU
U
I FOR ATIO
DATA (N – 1)
DB11 TO DB0
CONVST
BUSY
LTC1409 • F17
t
CONV
t
6
t
13
t
7
CS = RD = 0
DATA N
DB11 TO DB0
DATA (N + 1)
DB11 TO DB0
DATA
t
6
t
5
t
8
Figure 17. Mode 1b. CONVST Starts a Conversion. Data Outputs Always Enabled
CONVST
BUSY
LTC1409 • F18
t
5
t
CONV
t
8
t
13
t
6
t
9
t
12
DATA N
DB11 TO DB0
t
11
t
10
RD
DATA
Figure 18. Mode 2. CONVST Starts a Conversion. Data is Read by RD
Figure 20. ROM Mode Timing
RD = CONVST
BUSY
LTC1409 • F20
t
CONV
t
6
DATA (N – 1)
DB11 TO DB0
DATA
DATA N
DB11 TO DB0
t
10
t
11
t
8
RD = CONVST
BUSY
LTC1409 • F19
t
CONV
t
6
DATA (N – 1)
DB11 TO DB0
DATA
DATA N
DB11 TO DB0
DATA (N + 1)
DB11 TO DB0
DATA N
DB11 TO DB0
t
11
t
8
t
10
t
7
Figure 19. Slow Memory Mode Timing