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参数资料
| 型号： | MC33291L |
| 厂商： | 飞思卡尔半导体(中国)有限公司 |
| 英文描述： | Eight Output Switch with Serial Peripheral Interface I/O(带SPI接口的八输出开关) |
| 中文描述： | 8个串行外围接口的I / O（带的SPI接口的八输出开关输出开关） |
| 文件页数： | 11/24页 |
| 文件大小： | 633K |
| 代理商： | MC33291L |
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33291L
11
Figure 7. Switching Time Test Circuit
Figure 8. Output Fault Unlatch Disable
Delay Test Circuit
Figure 9. Turn-On/Off Waveforms
Figure 10. Output Fault Unlatch Disable
Delay Waveforms
C
L
represents the total capacitance of the test fixture and probe.
CS
Output
C
L
33291L
Under
Test
V
DD
= 5.0 V
V
PWR
= 14 V
R
L
= 26
CS
Output
C
L
= 20 pF
33291L
Under
Test
V
DD
= 5.0 V
V
PWR
= 11 V
C
L
represents the total capacitance of the test fixture and probe.
I
L
= 2.0 A
(Output ON)
90%
50%
10%
90%
10%
t
dly(off)
t
dly(on)
CS
Output Voltage
Waveform 1
Output Voltage
Waveform 2
t
r(SI)
< 50 ns
< 50 ns
t
f(SI)
5.0 V
0
14 V
V
OL
V
OL
14 V
1. tdly(ON) and tdly(OFF) are turn-ON and turn-OFF propagation delay times.
2. Turn-OFF is an output programmed from an ON to an OFF state.
3. Turn-ON is an output programmed from and OFF to an ON state.
90%
10%
50%
< 50 ns
< 50 ns
t
dly(off)
t
r(SI)
t
f(SI)
CS
Output Voltage
Waveform
Output Current
Waveform
5.0 V
0
V
off
= 11 V
I
O(CL)
V
ON
= 5.0 V
0
1. t
pdly(off)
is the output fault unlatch disable propagation delay time required to
correctly report an output fault after CS rises. It represents an output command-
ed ON while having an existing output short (over current) to supply.
2. The SFPD pin < 0.2 V
50%
50%
F
Freescale Semiconductor, Inc.
Go to: www.freescale.com
n
.
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