Datasheet

9
LTC1594/LTC1598
15948fb
TEST CIRCUITS
Voltage Waveforms for t
en
Voltage Waveforms for D
OUT
Delay Times, t
dDO
CSMUX
= CSADC
= CS
CLK
D
OUT
MPU
RECEIVED
WORD
1594/98 TA03
B3B7 B6 B5 B4 B2 B1 B0 B1 B2B11 B10 B9 B8
D
IN
MPU
TRANSMIT
WORD
BYTE 3
BYTE 2
EN D20D1
X
D0
BYTE 1
X
X
X
X
X
X
X
000
X
X
X
XX
X
X
X
BYTE 3
BYTE 2
BYTE 1
B10
?
?
0
B11
B9
B7
B8
B6
B5
B3
B4 B2
B1
B1
B0
DON‘T CARE
D1D2
???
?????
DO
EN
1594/98 TC06
CSADC
LTC1594/LTC1598
1
CLK
D
OUT
t
en
B11
V
OL
2
D
OUT
WAVEFORM 1
(SEE NOTE 1)
V
IH
t
dis
90%
10%
D
OUT
WAVEFORM 2
(SEE NOTE 2)
CSADC = CSMUX = CS
NOTE 1: WAVEFORM 1 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH
THAT THE OUTPUT IS HIGH UNLESS DISABLED BY THE OUTPUT CONTROL.
NOTE 2: WAVEFORM 2 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH
THAT THE OUTPUT IS LOW UNLESS DISABLED BY THE OUTPUT CONTROL.
1594/98 TC05
Load Circuit for t
dis
and t
en
D
OUT
3k
100pF
TEST POINT
V
CC
t
dis
WAVEFORM 2, t
en
t
dis
WAVEFORM 1
1594/98 TC04
Voltage Waveforms for t
dis