
9
LTC1594/LTC1598
15948fb
TEST CIRCUITS
Voltage Waveforms for ten
Voltage Waveforms for DOUT Delay Times, tdDO
CSMUX
= CSADC
= CS
CLK
DOUT
MPU
RECEIVED
WORD
1594/98 TA03
B3
B7
B6
B5
B4
B2
B1
B0
B1
B2
B11 B10 B9
B8
DIN
MPU
TRANSMIT
WORD
BYTE 3
BYTE 2
EN
D2
0D1
X
D0
BYTE 1
X
00
0
X
XX
X
BYTE 3
BYTE 2
BYTE 1
B10
?
0
B11
B9
B7
B8
B6
B5
B3
B4
B2
B1
B0
DON‘T CARE
D1
D2
?
??
?
??
?
DO
EN
1594/98 TC06
CSADC
LTC1594/LTC1598
1
CLK
DOUT
ten
B11
VOL
2
DOUT
WAVEFORM 1
(SEE NOTE 1)
VIH
tdis
90%
10%
DOUT
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 tdis and ten
DOUT
3k
100pF
TEST POINT
VCC tdis WAVEFORM 2, ten
tdis WAVEFORM 1
1594/98 TC04
Voltage Waveforms for tdis