TLC5926 Datasheet, PDF (10/29 Pages) Texas Instruments – 16-CHANNEL CONSTANT-CURRENT LED SINK DRIVERS

TLC5926, TLC5927
SLVS677 – JULY 2008 ....................................................................................................................................................................................................... www.ti.com
Switching Characteristics
V_DD = 3 V, T_J = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
t_PLH1
Low-to-high propagation delay time, CLK to OUTn
t_PLH2
Low-to-high propagation delay time, LE(ED1) to OUTn
t_PLH3
Low-to-high propagation delay time, OE(ED2) to OUTn
t_PLH4
Low-to-high propagation delay time, CLK to SDO
t_PHL1
High-to-low propagation delay time, CLK to OUTn
t_PHL2
High-to-low propagation delay time, LE(ED1) to OUTn
t_PHL3
High-to-low propagation delay time, OE(ED2) to OUTn
t_PHL4
High-to-low propagation delay time, CLK to SDO
t_w(CLK)
Pulse duration, CLK
t_w(L)
Pulse duration LE(ED1)
t_w(OE)
Pulse duration, OE(ED2)
t_w(ED2)
Pulse duration, OE(ED2) in Error Detection mode
t_h(ED1,ED2) Hold time, LE(ED1), and OE(ED2)
t_h(D)
Hold time, SDI
t_{su(D,ED1,ED2)} Setup time, SDI, LE(ED1), and OE(ED2)
t_h(L)
Hold time, LE(ED1), Normal mode
t_su(L)
t_r
t_f
Setup time, LE(ED1), Normal mode
Rise time, CLK⁽¹⁾
Fall time, CLK⁽¹⁾
t_or
Rise time, outputs (off)
t_of
Rise time, outputs (on)
f_CLK
Clock frequency
V_IH = V_DD, V_IL = GND,
R_ext = 360 Ω, V_L = 4 V,
R_L = 44 Ω, C_L = 70 pF,
CG = 0.992
Cascade operation
35
65 105 ns
35
65 105 ns
35
65 105 ns
20
45 ns
200 300 470 ns
200 300 470 ns
200 300 470 ns
20
40 ns
20
ns
20
ns
1000
ns
2
µs
10
ns
5
ns
7
ns
18
ns
18
ns
500 ns
500 ns
245 ns
600 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.
10
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