AS1113 Просмотр технического описания (PDF) - austriamicrosystems AG
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AS1113 Datasheet PDF : 24 Pages
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AS1113
Data Sheet - Electrical Characteristics
Switching Characteristics
VDD = 3.0 to 5.5V, VDS = 0.8V, VIH = VDD, VIL = GND, REXT = 372Ω, VLOAD = 4.0V, RLOAD = 64Ω, CLOAD = 10pF; guar-
anteed by design.
Table 4. Switching Characteristics for VDD = 5V
Symbol
Parameter
Conditions
Min Typ Max Unit
tP1
tP2
Propagation Delay Time (Without
Staggered Output Delay)
tP3
CLK - SDO
LD - OUTNn
OEN - OUTNn
5 10
100 200 ns
100 200
tP4
Propagation Delay Time
10 ns
tW(CLK)
CLK
15
tW(L)
Pulse Width
LD
15
ns
tW(OE)
OEN (@IOUT < 60mA)
200
tR *
CLK Rise Time
500 ns
tF *
CLK Fall Time
500 ns
tOR
Output Rise Time of VOUT (Turn Off)
100 200 ns
tOF
Output Fall Time of VOUT (Turn On)
100 300 ns
tSU(D)
Setup Time for SDI
5
ns
tH(D)
Hold Time for SDI
5
ns
tSU(L)
Setup Time for LD
5
ns
tH(L)
Hold Time for LD
5
ns
tTESTING
OEN Time for Error Detection
2000
ns
tSTAG
Staggered Output Delay
20 40 ns
tSU(OE)
Output Enable Setup Time
20
ns
tGSW(ERROR) Global Error Switching Setup Time
10
ns
tSU(ERROR) Global Error Detection Setup Time
10
ns
tP(I/O)
Propagation Delay Global Error Flag
5 ns
tSW(ERROR)
Switching Time Global Error Flag
10 ns
fCLK
Maximum Clock Frequency
(Cascade Operation)
30 50
MHz
tP3,ON
tP3,OFF
tREXT2,1
tREXT2,1
Low-Current Test Mode
Propagation Delay Time
External Resistor Reaction Time
External Resistor Reaction Time
Turn ON
Turn OFF
Change from REXT1 = 372Ω,
IOUT1 = 50.52mA to REXT2 =
37.2kΩ, IOUT2 < 1mA
Change from REXT1 = 37.2kΩ,
IOUT1 = 0.5mA to REXT2 =
372Ω, IOUT2 > 25mA
3
5 µs
0.05 0.1 µs
0.5 1 µs
0.5 1 µs
* If multiple AS1113 devices are cascaded and tr or tf is large, it may be critical to achieve the timing required for data
transfer between two cascaded LED drivers.
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Revision 1.00
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