TLC5925_15 Datasheet, PDF (8/28 Pages) Texas Instruments – Low-Power 16-Channel Constant-Current LED Sink Driver

TLC5925
SLVS765B – OCTOBER 2008 – REVISED SEPTEMBER 2015
www.ti.com
6.10 Switching Characteristics: V_DD = 5.5 V
V_DD = 5.5 V, T_J = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
t_PLH1
t_PLH2
t_PLH3
t_PLH4
t_PHL1
t_PHL2
t_PHL3
t_PHL4
t_w(CLK)
t_w(L)
t_w(OE)
t_h(D)
t_su(D)
t_h(L)
t_su(L)
t_r
t_f
t_or
t_of
f_CLK
Low-to-high propagation delay time, CLK to OUTn
Low-to-high propagation delay time, LE to OUTn
Low-to-high propagation delay time, OE to OUTn
Low-to-high propagation delay time, CLK to SDO
High-to-low propagation delay time, CLK to OUTn
High-to-low propagation delay time, LE to OUTn
High-to-low propagation delay time, OE to OUTn
High-to-low propagation delay time, CLK to SDO
Pulse duration, CLK
Pulse duration LE
Pulse duration, OE
Hold time, SDI
Setup time, SDI
Hold time, LE
Setup time, LE
Rise time, CLK ⁽¹⁾
Fall time, CLK ⁽¹⁾
Rise time, outputs (off)
Rise time, outputs (on)
Clock frequency
V_IH = V_DD, V_IL = GND,
R_ext = 840 Ω, V_L = 4 V,
R_L = 88 Ω, C_L = 10 pF
Cascade operation
20
35
55 ns
20
35
55 ns
20
35
55 ns
20
30 ns
15
28
42 ns
15
28
42 ns
15
28
42 ns
20
30 ns
10
ns
10
ns
200
ns
2
ns
3
ns
5
ns
5
ns
500 ns
500 ns
25
45
65 ns
7
12
20 ns
30 MHz
(1) If the devices are connected in cascade and t_r or t_f is large, it may be critical to achieve the timing required for data transfer between two
cascaded devices.
8
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