Datasheet

 1998-2011 Microchip Technology Inc. DS21290F-page 5
MCP3201
FIGURE 1-1: Serial Timing.
FIGURE 1-2: Test Circuits.
CS
CLK
t
SUCS
t
CSH
t
HI
t
LO
D
OUT
t
EN
t
DO
t
R
t
F
LSBMSB OUT
t
DIS
NULL BIT
HI-Z
HI-Z
V
IH
t
DIS
CS
D
OUT
Waveform 1*
D
OUT
Waveform 2†
90%
10%
* Waveform 1 is for an output with internal condi-
tions such that the output is high, unless disabled
by the output control.
† Waveform 2 is for an output with internal condi-
tions such that the output is low, unless disabled
by the output control.
Voltage Waveforms for t
DIS
Te st P oi n t
1.4V
D
OUT
Load circuit for t
R
, t
F
, t
DO
3kΩ
C
L
= 30 pF
Te st P oi n t
D
OUT
Load circuit for t
DIS
and t
EN
3kΩ
30 pF
t
DIS
Waveform 2
t
DIS
Waveform 1
CS
CLK
D
OUT
t
EN
12
B9
Voltage Waveforms for t
EN
t
EN
Waveform
V
DD
V
DD
/2
V
SS
3
4
D
OUT
t
R
Voltage Waveforms for t
R
, t
F
CLK
D
OUT
t
DO
Voltage Waveforms for t
DO
t
F
V
OH
V
OL