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| DG526 Datasheet, PDF (9/16 Pages) Intersil Corporation – Analog CMOS Latchable Multiplexers | |||
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DG526, DG527, DG528, DG529
Test Circuits and Waveforms (Continued)
3V
50%
0
VS1
0.8VS1
SWITCH
OUTPUT
VD
0
0.8VS8
VS8
TRANSITION
S1 ON
LOGIC INPUT
tr < 20ns
tf < 20ns
S8 ON
TRANSITION
FIGURE 3C. tTRANSITION SWITCHING TIME WAVEFORM
SWITCH
OUTPUT
VD
3V
50%
0
VS
80%
0V
tOPEN
LOGIC INPUT
tr < 20ns
tf < 20ns
FIGURE 4A. tOPEN (BREAK-BEFORE-MAKE) SWITCHING TIME
WAVEFORM
+2.4V
+15V
V+
EN DG528â
DG529
RS ALL S AND DA
+5V
LOGIC
INPUT
A0, A1, (A2) DB (D)
GND WR V-
50â¦
1kâ¦
-15V
SWITCH
OUTPUT
VD
35pF
FIGURE 4B. tOPEN (BREAK-BEFORE-MAKE) SWITCHING TIME
TEST CIRCUIT
â Similar connections for DG526, DG527
+2.4V
+15V
RS
V+
EN DG528â S1
-5V
S2 THRU S7
A0
+2.4V
+15V
RS
V+
EN DG529â S1B
-5V
S1A THRU S4A,
DA, S2B, S3B,
S4B
EN 50â¦
A1
A2
GND
D
WR V-
1kâ¦
-15V
SWITCH
OUTPUT
VD
35pF
FIGURE 5A. ENABLE tON AND tOFF SWITCHING TIME TEST
CIRCUIT
â Similar connections for DG526
EN 50â¦
A0
A1
GND
DB
WR V-
1kâ¦
-15V
SWITCH
OUTPUT
VDB
35pF
FIGURE 5B. ENABLE tON AND tOFF SWITCHING TIME TEST
CIRCUIT
â Similar connections for DG527
12-9
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