CD54HC4051 Datasheet, PDF (13/27 Pages) Texas Instruments – High Speed CMOS Logic Analog Multiplexers/Demultiplexers

’HC4051, ’HCT4051, ’HC4052, CD74HCT4052, ’HC4053, CD74HCT4053
Test Circuits and Waveforms (Continued)
t_r = 6ns
SWITCH INPUT
t_PLH
SWITCH OUTPUT
FIGURE 8A.
t_f = 6ns
V_CC
90%
50%
10%
t_PHL
V_EE
90%
50%
10%
6ns
E OR Sn
50%
OUTPUT LOW
TO OFF
t_PLZ
OUTPUT HIGH
TO OFF
t_PHZ
SWITCH ON
90%
10%
90%
6ns
10%
t_PZL
t_PZH
SWITCH OFF
V_CC
GND
50%
50%
SWITCH ON
6ns
E OR Sn
t_r
1.3
OUTPUT LOW
TO OFF
t_PLZ
OUTPUT HIGH
TO OFF
t_PHZ
SWITCH ON
t_f
2.7
10%
90%
6ns
0.3
t_PZL
t_PZH
SWITCH OFF
3V
GND
50%
50%
SWITCH ON
FIGURE 8B. HC TYPES
FIGURE 8C. HCT TYPES
FIGURE 8. SWITCH PROPAGATION DELAY, TURN-ON, TURN-OFF TIMES
V_EE FOR
t_PLZ AND t_PZL
TG
V_CC FOR _IN
t_PHZ AND t_PZH
R_L = 1kΩ
C_L
OUT
50pF
V_CC FOR
t_PLZ AND t_PZL
V_EE FOR
t_PHZ AND t_PZH
IN
TG
OUT
50pF
FIGURE 9. SWITCH ON/OFF PROPAGATION DELAY TEST
CIRCUIT
FIGURE 10. SWITCH IN TO SWITCH OUT PROPAGATION
DELAY TEST CIRCUIT
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