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SN74LVC1G18_07 Datasheet, PDF (6/13 Pages) Texas Instruments – 1-OF-2 NONINVERTING DEMULTIPLEXER WITH 3-STATE DESELECTED OUTPUT
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SN74LVC1G18
1-OF-2 NONINVERTING DEMULTIPLEXER
WITH 3-STATE DESELECTED OUTPUT
SCES406I – JULY 2002 – REVISED JANUARY 2007
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL
(see Note A)
RL
RL
VLOAD
S1
Open
GND
TEST
t /t PLH PHL
t /t PLZ PZL
t /t PHZ PZH
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S1
Open
VLOAD
GND
LOAD CIRCUIT
VCC
1.8 V ± 0.15 V
2.5 V ± 0.2 V
3.3 V ± 0.3 V
5 V ± 0.5 V
INPUTS
VI
tr/tf
VCC
£2 ns
VCC
£2 ns
3 V £2.5 ns
VCC
£2.5 ns
VM
VCC/2
VCC/2
1.5 V
VCC/2
VLOAD
2 × VCC
2 × VCC
6V
2 × VCC
CL
30 pF
30 pF
50 pF
50 pF
RL
1 kW
500 W
500 W
500 W
VD
0.15 V
0.15 V
0.3 V
0.3 V
Input
tW
VM
VM
VOLTAGE WAVEFORMS
PULSE DURATION
Timing Input
VI
Data Input
0V
VI
VM
0V
tsu
th
VI
VM
VM
0V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
Input
VM
VI
VM
0V
tPLH
Output
VM
tPHL
VM
VOH
VOL
tPHL
tPLH
VOH
Output
VM
VM
VOL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
Output
Control
Output
Waveform 1
S1 at VLOAD
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
VM
tPZL
VM
tPLZ
VI
0V
VLOAD/2
VM
VOL + VD
VOL
tPZH
tPHZ
VOH – VD
VM
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
VOH
»0 V
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR £ 10 MHz, ZO = 50 W.
D. The outputs are measured one at a time, with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
H. All parameters and waveforms are not applicable to all devices.
Figure 2. Load Circuit and Voltage Waveforms
6
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