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STAP08DP05 Datasheet, PDF (9/28 Pages) STMicroelectronics – Low voltage 8-bit constant current LED sink driver with output error detection for automotive applications
STAP08DP05
5
Switching characteristics
Switching characteristics
VDD = 5 V, Tj = 25 °C, unless otherwise specified.
Symbol
Table 8. Switching characteristics(1)(2)
Parameter
Test conditions
Min Typ Max Unit
fclk
tPLH1
tPLH2
tPLH3
Clock frequency
CLK-OUTn
LE\DM1 = H
OE\DM2 = L
LE\DM1-OUTn
OE\DM2 = L
OE\DM2-OUTn
LE\DM1 = H
Propagation
delay time
(“L” to “H”)
tPLH
CLK - SDO
tPHL1
tPHL2
tPHL3
CLK-OUTn
LE\DM1 = H
OE\DM2 = L
LE\DM1-OUTn
OE\DM2 = L
OE\DM2-OUTn
LE\DM1 = H
Propagation
delay time
(“H” to “L”)
tPHL
tON
tOFF
tr
tf
CLK - SDO
Output rise time
10~90% of voltage
waveform
Output fall time
90~10% of voltage
waveform
CLK rise time (3)
CLK fall time (3)
Cascade operation
VDD = 3.3 V
VDD = 5 V
VIH = VDD
VIL = GND
CL = 10 pF
Io = 20 mA
VL = 3 V
REXT = 1 KΩ
RL = 60 Ω
VDD = 3.3 V
VDD = 5 V
VDD = 3.3 V
VDD = 5 V
VDD = 3.3 V
VDD = 5 V
VDD = 3.3 V
VDD = 5 V
VDD = 3.3 V
VDD = 5 V
VDD = 3.3 V
VDD = 5 V
VDD = 3.3 V
VDD = 5 V
VDD = 3.3 V
VDD = 5 V
VDD = 3.3 V
VDD = 5 V
30 MHz
36 50
ns
19 25
38 50
ns
21 30
42 55
ns
23 30
22 30
ns
18 25
9
12
ns
5
7
4
6
ns
3
5
6
8
ns
3
5
25 33
ns
20 26
30 40
ns
15 20
7
10
ns
6
8
5
µs
5
1. All table limits are guaranteed by design.
2. Not tested in production.
3. If devices are connected in cascade and tr or tf is large, it may be critical to achieve the timing required for data transfer
between two cascaded devices.
DocID024305 Rev 6
9/28
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