TLC59116_1 Datasheet, PDF (7/30 Pages) Texas Instruments – 16-CHANNEL Fm+ I2C-BUS CONSTANT-CURRENT LED SINK DRIVER

TLC59116
www.ti.com .................................................................................................................................................... SLDS157B – FEBRUARY 2008 – REVISED JULY 2008
PARAMETER MEASUREMENT INFORMATION
SCL
Start
ACK or Read Cycle
SDA
RESET
OUTn
t_REC
Figure 1. Reset Timing
30%
t_RESET
50%
t_W
50%
t_RESET
SDA
t_BUF
SCL
P
S
t_LOW
t_HD;STA
t_r
t_f
t_HD;STA
t_HD;DAT
t_HIGH
t_SU;DAT
t_SU;DAT
Sr
Figure 2. Definition of Timing
t_SP
t_SU;STO
P
Protocol
Start
Condition
(S)
Bit 7
MSB
(A7)
Bit 6
(A6)
Bit 7
(D1)
Bit 8
(D0)
Acknowledge
(A)
Stop
Condition
(P)
SCL
t_SU;STA
t_BUF
t_LOW
t_HIGH
1/f_SCL
t_r
t_f
SDA
t_HD;STA
NOTE: Rise and fall times refer to V_IL and V_IH.
t_SU;DAT
t_HD;DAT
t_VD;DAT
Figure 3. I²C Bus Timing
t_VD;ACK
t_SU;STO
Copyright © 2008, Texas Instruments Incorporated
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