mc33291l Freescale Semiconductor, Inc, mc33291l Datasheet - Page 9

• Manufacturer Part Number: mc33291l
• Description: Eight-output Switch With Serial Peripheral Interface I/o
• Manufacturer: Freescale Semiconductor, Inc

Analog Integrated Circuit Device Data
Freescale Semiconductor
C
C
L
L
SCLK
represents the total capacitance of the test fixture and probe.
represents the total capacitance of the test fixture and probe.
Figure 5. Enable and Disable Time Test Circuit
CS
Figure 4. Valid Data Delay Time and
Valid Time Test Circuit
V
V
DD
DD
33291L
Under
33291L
Test
Under
Test
= 5.0 V
= 5.0 V
ELECTRICAL PERFORMANCE CURVES
V
Pull-Up
= 2.5 V
C
R
C
L
L
L
= 200 pF
= 1.0 kΩ
= 20 pF
SO
SO
SO (Low-to-High) is for an output with internal conditions such that
the low-to-high transition of
high to low.
SCLK
SO
(Low-to-High)
SO
(High-to-Low)
1. SO (high-to-low) waveform is for SO output with internal conditions such
2. SO (low-to-high) waveform is for SO output with internal conditions such
CS
SO
SO
(High-to-Low)
(Low-to-High)
that SO output is low except when an output is disabled as a result of de-
tecting a circuit fault with CS in a High Logic state; e.g., open load.
that SO output is high except when an output is disabled as a result of de-
tecting a circuit fault with CS in a High Logic state; e.g., shortened load.
Figure 7. Enable and Disable Time Waveforms
0.2 V DD
0.7 V
Figure 6. Valid Data Delay Time and
t
t
DLY(LH)
DLY(HL)
0.2 V
0.7 V
t
DD
VALID
t
R(SI)
DD
DD
Valid Time Waveforms
t
R(SI)
< 50 ns
ELECTRICAL PERFORMANCE CURVES
< 50 ns
t SO(EN)
t SO(EN)
CS
10%
90%
t
t
R(SO)
F(SO)
90%
10%
50%
ELECTRICAL CHARACTERISTICS
causes the SO output to switch from
t
F(SI)
0.7 V
0.2 V
90%
< 50 ns
DD
DD
0.7 V DD
t SO(DIS)
t SO(DIS)
t
F(SI)
< 50 ns
VTri-State
VTri-State
0.2 V
10%
DD
5.0 V
33291L
tSO(dis
5.0 V
0
VOH
0
V
V
V
V
OH
OL
OH
OL
9