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AS1113
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
Switching Characteristics
V DD = 3.0 to 5.5V, V DS = 0.8V, V IH = V DD , V IL = GND, R EXT = 372 Ω , V LOAD = 4.0V, R LOAD = 64 Ω , C LOAD = 10pF; guar-
anteed by design.
Table 4. Switching Characteristics for V DD = 5V
Symbol
t P1
t P2
t P3
Parameter
Propagation Delay Time (Without
Staggered Output Delay)
Conditions
CLK - SDO
LD - OUTN n
OEN - OUTN n
Min
Typ
5
100
100
Max
10
200
200
Unit
ns
t P4
t W(CLK)
Propagation Delay Time
CLK
15
10
ns
t W(L)
t W(OE)
Pulse Width
LD
OEN (@I OUT < 60mA)
15
200
ns
t R
t F
*
*
CLK Rise Time
CLK Fall Time
500
500
ns
ns
t OR
t OF
t SU(D)
t H(D)
t SU(L)
t H(L)
t TESTING
t STAG
Output Rise Time of V OUT (Turn Off)
Output Fall Time of V OUT (Turn On)
Setup Time for SDI
Hold Time for SDI
Setup Time for LD
Hold Time for LD
OEN Time for Error Detection
Staggered Output Delay
5
5
5
5
2000
100
100
20
200
300
40
ns
ns
ns
ns
ns
ns
ns
ns
t SU(OE)
t GSW(ERROR)
t SU(ERROR)
t P(I/O)
t SW(ERROR)
Output Enable Setup Time
Global Error Switching Setup Time
Global Error Detection Setup Time
Propagation Delay Global Error Flag
Switching Time Global Error Flag
20
10
10
5
10
ns
ns
ns
ns
ns
f CLK
Maximum Clock Frequency
(Cascade Operation)
30
50
MHz
t P3,ON
t P3,OFF
Low-Current Test Mode
Propagation Delay Time
Turn ON
Turn OFF
3
0.05
5
0.1
μs
μs
Change from R EXT1 = 372 Ω ,
t REXT2,1
External Resistor Reaction Time
I OUT1 = 50.52mA to R EXT2 =
37.2k Ω , I OUT2 < 1mA
0.5
1
μs
Change from R EXT1 = 37.2k Ω ,
t REXT2,1
External Resistor Reaction Time
I OUT1 = 0.5mA to R EXT2 =
372 Ω , I OUT2 > 25mA
0.5
1
μs
*
If multiple AS1113 devices are cascaded and t r or t f is large, it may be critical to achieve the timing required for data
transfer between two cascaded LED drivers.
www.austriamicrosystems.com/LED-Driver-ICs/AS1113
Revision 1.04
6 - 24
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