ISL43681_06 Datasheet, PDF (12/17 Pages) Intersil Corporation – Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer and Differential 4 to 1 Multiplexer

ISL43681, ISL43741
Test Circuits and Waveforms (Continued)
V+
V-
C
C
C
t_MPW
LOGIC ^3V
INPUT
LE
0V
50%
t_H
50%
t_S
LOGIC ^3V
INPUT
ADD_{X 0V}
50%
VNO_X
SWITCH
OUTPUT
0V
V_OUT
t_r < 20ns
t_f < 20ns
50%
t_H
50%
t_ON, t_OFF
90%
LOGIC
INPUT
LOGIC
INPUT
EN
NO1-NO7
V+
ADDA-C
NO0
ISL43681
LE _{GND EN} COM
V_OUT
R_L
300Ω
C_L
35pF
V+
V-
C
C
C
LOGIC
INPUT
LOGIC
INPUT
EN
NO1_x-NO3_x
ADDA-B
NO0_x
ISL43741
LE _{GND EN} COM
V+
V_OUT
R_L
300Ω
C_L
35pF
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--_R---^L--₍--_O-----_N----₎
FIGURE 4A. LATCH t_S, t_H, t_MPW MEASUREMENT POINTS
FIGURE 4B. LATCH t_S, t_H, t_MPW TEST CIRCUIT
FIGURE 4. LATCH SETUP AND HOLD TIMES
SIGNAL
GENERATOR
ANALYZER
R_L
V+
C
V-
C
EN, LE
NO or NC
0V or V+
ADDX
COM _GND
0V or V+
EN
FIGURE 5. OFF ISOLATION TEST CIRCUIT
V+
C
V-
C
R_ON = V₁/1mA
V_NX
EN, LE
NO or NC
1mA
V₁
0V or V+
ADDX
COM
GND EN
FIGURE 6. R_ON TEST CIRCUIT
12
FN6053.3
March 13, 2006