
TLC1549C, TLC1549I, TLC1549M
10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS059C – DECEMBER 1992 – REVISED MARCH 1995
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
DATA OUT
CL = 100 pF
12 k
Test Point
VCC
RL = 2.18 k
Figure 2. Load Circuit
CS
DATA
OUT
2.4 V
0.4 V
90%
10%
tPZH, tPZL
tPHZ, tPLZ
0.8 V
2 V
Figure 3. DATA OUT to Hi-Z Voltage Waveforms
Last
Clock
CS
0.8 V
2 V
0.8 V
tsu(CS)
0.8 V
I/O CLOCK
th(CS)
First
Clock
Figure 4. CS to I/O CLOCK Voltage Waveforms
0.4 V
2.4 V
0.4 V
2.4 V
2 V
0.8 V
I/O CLOCK
DATA OUT
tt(I/O)
0.8 V
2 V
tr(bus), tf(bus)
td(I/O-DATA)
tv
I/O CLOCK Period
tt(I/O)
0.8 V
Figure 5. I/O CLOCK and DATA OUT Voltage Waveforms