ISL54058 Datasheet, PDF (5/10 Pages) Intersil Corporation – Ultra Low ON-Resistance, Low-Voltage, Single Supply, Dual 4 to 1 Analog Multiplexer

Test Circuits and Waveforms
ISL54058
V+
LOGIC
INPUT
0V
50%
t_TRANS
t_r < 5ns
t_f < 5ns
VA0, VB0
V_OUT
90%
SWITCH
OUTPUT
0V
10%
0V
t_TRANS
Logic input waveform is inverted for switches that have the opposite
logic sense.
C
V+
LOGIC
INPUT
V+
C
A0,B0
A1-A3
B1-B3
ADD1-0 _GND
COMA
COMB
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 1A. ADDRESS t_TRANS MEASUREMENT POINTS
FIGURE 1B. ADDRESS t_TRANS TEST CIRCUIT
FIGURE 1. SWITCHING TIMES
V+
LOGIC
INPUT
0V
SWITCH
OUTPUT
V_OUT
0V
t_r < 5ns
t_f < 5ns
t_BBM
90%
C
V+
LOGIC
INPUT
V+
C
A0-A3
B0-B3
ADD1-0
COMA
COMB
V_OUT
R_L
50Ω
C_L
35pF
GND
FIGURE 2A. t_BBM MEASUREMENT POINTS
Repeat test for other switches. C_L includes fixture and stray
capacitance.
FIGURE 2B. t_BBM TEST CIRCUIT
FIGURE 2. BREAK-BEFORE-MAKE TIME
5
FN6380.0
September 29, 2006