ISL54057 Datasheet, PDF (5/10 Pages) Intersil Corporation – Ultra Low ON-Resistance, Low-Voltage, Single Supply, Differential 4 to 1 Analog Multiplexer

ISL54057
Test Circuits and Waveforms
V+
LOGIC
INPUT
0V
50%
t_ON
t_r < 5ns
t_f < 5ns
VA0, VB0
SWITCH
OUTPUT _0V
t_OFF
90% ^VOUT
90%
Logic input waveform is inverted for switches that have the opposite
logic sense.
FIGURE 1A. INHIBIT t_ON/t_OFF MEASUREMENT POINTS
V+
C
C
V+
LOGIC
INPUT
A0, B0
A1,A2,B1,
B2,A3,B3
INH
GND
COMA
COMB
ADD0-1
V_OUT
R_L
C_L
50Ω
35pF
Repeat test for other switches. C_L includes fixture and stray
capacitance.
V_OUT
=
V(NO _{or NC)}
------------^R-----^L-------------
R_L + R_(ON)
FIGURE 1B. INHIBIT t_ON/t_OFF TEST CIRCUIT
V+
LOGIC
INPUT
0V
VA0, VB0
50%
t_TRANS
V_OUT
t_r < 5ns
t_f < 5ns
90%
V+
C
C
V+
A0, B0
A1,A2,B1,
B2,A3,B3
COMA,
COMB
V_OUT
SWITCH
OUTPUT
VA3, VB3
10%
0V
LOGIC
INPUT
ADD0-1 _{GND INH}
R_L
C_L
50Ω
35pF
t_TRANS
Logic input waveform is inverted for switches that have the opposite
logic sense.
Repeat test for other switches. C_L includes fixture and stray
capacitance.
V_OUT
=
V(NO _{or NC)}
------------^R-----^L-------------
R_L + R_(ON)
FIGURE 1C. ADDRESS t_TRANS MEASUREMENT POINTS
FIGURE 1D. ADDRESS t_TRANS TEST CIRCUIT
FIGURE 1. SWITCHING TIMES
5
FN6379.0
September 29, 2006