TCS3771 Datasheet, PDF (7/33 Pages) ams AG – COLOR LIGHT-TO-DIGITAL CONVERTER with PROXIMITY SENSING

TCS3771
COLOR LIGHT-TO-DIGITAL CONVERTER
with PROXIMITY SENSING
TAOS110A − MARCH 2011
AC Electrical Characteristics, V_DD = 3 V, T_A = 255C (unless otherwise noted)
PARAMETER^†
TEST CONDITIONS
MIN
f_(SCL)
Clock frequency (I²C only)
0
t_(BUF)
Bus free time between start and stop condition
1.3
t_(HDSTA)
Hold time after (repeated) start condition. After
this period, the first clock is generated.
0.6
TYP MAX UNIT
400 kHz
μs
μs
t_(SUSTA)
Repeated start condition setup time
t_(SUSTO)
Stop condition setup time
t_(HDDAT)
Data hold time
lid ^t(SUDAT)
Data setup time
t_(LOW)
SCL clock low period
t_(HIGH)
SCL clock high period
a _tF
Clock/data fall time
v _tR
Clock/data rise time
ill ^Ci
Input pin capacitance
† _{Specified by design and characterization; not production tested.}
0.6
μs
0.6
μs
0
μs
100
ns
1.3
μs
0.6
μs
300 ns
300 ns
10 pF
G _{st PARAMETER MEASUREMENT INFORMATION}
s ^{A nt SCL}
m ^te t_(BUF)
a ^{n SDA}
t_(LOW)
t_(R)
V_IH
V_IL
t_(HDSTA)
t_(HDDAT)
V_IH
V_IL
t_(F)
t_(HIGH) t_(SUSTA)
t_(SUDAT)
o _P
c _Stop
Condition
S
Start
Condition
al _SCL
S
Start
Stop
t_(LOWSEXT)
SCL_ACK
SCL_ACK
t_(LOWMEXT)
t_(LOWMEXT)
t_(LOWMEXT)
ic _SDA
Techn ^{Figure 1. Timing Diagrams}
t_(SUSTO)
P
Copyright E 2011, TAOS Inc.
6
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