SC623A View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC623A
Semtech Corporation
'SC623A' PDF : 21 Pages View PDF
SC623A
Electrical Characteristics (continued)
Parameter
Symbol
Conditions
Min Typ
I2C Interface
Interface complies with slave mode I2C interface as described by Philips I2C specification version 2.1 dated January, 2000.
Max Units
V
B-IL
Digital Input Voltage
V
B-IH
SDA Output Low Level
Digital Input Current
I
B-IN
Hysteresis of
Schmitt Trigger Inputs
VHYS
Maximum Glitch Pulse
Rejection
tSP
I/O Pin Capacitance
C
IN
I2C Timing
I (SDA) ≤ 3mA
DIN
0.4
V
1.6
V
0.4
V
-0.2
0.2
μA
0.1
V
50
ns
10
pF
Clock Frequency
SCL Low Period(5)
SCL High Period(5)
Data Hold Time(5)
Data Setup Time(5)
Setup Time for Repeated
START Condition(5)
f
SCL
t
LOW
t
HIGH
t
HD_DAT
tSU_DAT
t
SU_STA
400 440 kHz
1.3
μs
0.6
μs
0
μs
100
μs
0.6
μs
Hold Time for Repeated
START Condition(5)
t
HD_STA
0.6
μs
Setup Time for STOP
Condition(5)
t
SU_STO
0.6
μs
Bus-Free Time Between
t
STOP and START(5)
BUF
1.3
μs
Interface Start-up Time(5)
t
Bus Start-up Time After EN Pin is Pulled High
EN
1
ms
Notes:
(1) ΔVF is the voltage difference between any two LEDs.
(2) Once tripped, flash output will remain disabled until FLEN pin is cycled or reset via serial interface.
(3) Current matching equals ± [I - I ] / [I + I ].
BL(MAX) BL(MIN
BL(MAX) BL(MIN)
(4) Test voltage is V = 4.0V — a relatively extreme LED voltage — to force a transition during test. Typically V = 3.2V for white LEDs.
OUT
OUT
(5) Guaranteed by design
5
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