SN74CBTU4411_16 Datasheet, PDF (9/21 Pages) Texas Instruments – Multiplexer/Demultiplexer

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7 Parameter Measurement Information
7.1 Enable and Disable Times
ZO = 40 Ω
VDD
VIN
VG1
ZO = 40 Ω
50 Ω
VI
DUT
VG2
120 Ω
SN74CBTU4411
SCDS192A – APRIL 2005 – REVISED FEBRUARY 2016
TEST CIRCUIT
ZO = 40 Ω _VO
CL
(see Note A)
RL ^T1†
RL
VDD
2 VDD
GND
TEST
tPLZ/tPZL
VDD
1.8 V ± 0.1 V
tPHZ/tPZH 1.8 V ± 0.1 V
T1^†
2 _Ë£ VDD
GND
RL
1 kΩ
1 kΩ
VI
GND
VDD
CL
6 pF
6 pF
V_∆
0.125 V
0.125 V
Output
Control
(VIN)
(see Note B)
VREF
VREF
VREF+0.25 V
VREF −0.25 V
Output
Waveform 1 (VO)
T1^† at 2 VDD
(see Note C)
tPZL
0.5 VDD
tPLZ
VOH
VOL + V_∆
VOL
tPZH
tPHZ
Output
Waveform 2 (VO)
T1^† at GND
(see Note C)
0.5 VDD
VOH
VOH – V_∆
VOL
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
† _{T1 is an external terminal.}
A. C_L includes probe and jig capacitance.
B. Output control applies to select (S0, S1) inputs.
C. 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.
D. All input pulses are supplied by generators having the following characteristics: Z_OS = 50 Ω, rising and falling edge
rate is 1 V/ns.
E. The outputs are measured one at a time, with one transition per measurement.
F. t_PLZ and t_PHZ are the same as t_dis.
G. t_PZL and t_PZH are the same as t_en.
Figure 2. Test Circuit and Voltage Waveforms
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