MC33298 Motorola, MC33298 Datasheet - Page 7

• Manufacturer Part Number: MC33298
• Description: OCTAL SERIAL SWITCH (SPI Input/Output)
• Manufacturer: Motorola

SCLK
SO
(Low–to–High)
SO
(High–to–Low)
MOTOROLA ANALOG IC DEVICE DATA
SO (low–to–high) is for an output with internal conditions such that
the low–to–high transition of CSB causes the SO output to switch
from high–to–low.
C L represents the total capacitance of the test fixture and probe.
SCLK
0.7 V DD (2.5 V)
Figure 3. Valid Data Delay Time and
Figure 5. Vaild Data Delay Time and
0.2 V DD
0.7 V DD
t dly(lh)
t rSI
t dly(hl)
Valid Time Test Circuit
t valid
Valid Time Waveforms
V DD = 5.0 V
MC33298
Under
Test
50%
10 ns
t rSO
t fSO
0.7 V DD
0.2 V DD
t fSI
C L = 200 pF
SO
10 ns
0.2 V DD
MC33298
5.0 V
V OH
V OL
V OH
V OL
0
CSB
SO
(High–to–Low)
SO
(Low–to–High)
NOTES: 1. SO (high–to–low) waveform is for SO output with internal
C L represents the total capacitance of the test fixture and probe.
Figure 4. Enable and Disable Time Test Circuit
Figure 6. Enable and Disable Time Waveforms
0.2 V DD (2.5 V)
CSB
2. SO (low–to–high) waveform is for SO output with internal
0.7 V DD
conditions such that SO output is low except when an output is
disabled as a result of detecting a circuit fault with CSB in a
High Logic state (e.g., open load).
conditions such that SO output is high except when an output
is disabled as a result of detecting a circuit fault with CSB in
a High Logic state (e.g., shorted load).
t rSI
V DD = 5.0 V
t SO(en)
t SO(en)
MC33298
Under
Test
10 ns
90%
50%
10%
50%
50%
V Pull–Up = 2.5 V
t fSI
t SO(dis)
t SO(dis)
R L = 2.0 k
C L = 20 pF
10 ns
SO
5.0 V
V OH
V OL
V OH
V OL
7
0