DG428 Datasheet, PDF (2/11 Pages) Vishay Siliconix – Single 8-Ch/Differential 4-Ch Latchable Analog Multiplexers

DG428/429
Vishay Siliconix
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG429
Dual-In-Line and SOIC
WR ₁
18 ^RS
A_{0 2}
17 ^A1
EN ₃
Latches
16 ^GND
V– ₄ Decoders/Drivers ₁₅ V+
S_{1a 5}
14 ^S1b
S_{2a 6}
13 ^S2b
S_{3a 7}
12 ^S3b
S_4a 8
11 S4b
D_a 9
10 D_b
Top View
TRUTH TABLE Ċ DG428
8-Channel Single-Ended Multiplexer
A₂ A₁ A₀ EN WR RS
Latching
On Switch
X
X
X
X
1
Maintains previous
switch condition
Reset
X
X
X
X
X
0
None (latches cleared)
Transparent Operation
X
X
X
0
0
1
0
0
0
1
0
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
1
1
0
1
1
0
0
1
0
1
1
0
1
1
0
1
1
1
0
1
0
1
1
1
1
1
0
1
None
1
2
3
4
5
6
7
8
ORDERING INFORMATION Ċ DG428
Temp Range
Package
Part Number
–40 to 85_C
18-Pin Plastic DIP
20-Pin PLCC
DG428DJ
DG428DN
www.vishay.com S FaxBack 408-970-5600
5-2
DG429
PLCC
EN 4
V– 5
S_1a 6
S_2a 7
S_3a 8
3 2 1 20 19
Latches
Decoders/Drivers
18 GND
17 V_DD
16 ^S1b
15 S_2b
14 S_3b
9 10 11 12 13
Top View
TRUTH TABLE Ċ DG429
Differential 4-Channel Multiplexer
A₁ A₀
Latching
EN WR RS
On Switch
X
X
X
1
Maintains previous
switch condition
Reset
X
X
X
X
0
None (latches cleared)
Transparent Operation
X
X
0
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
0
1
None
1
2
3
4
Logic “0” = V_AL v 0.8 V
Logic “1” = V_AH w 2.4 V
X = Don’t Care
ORDERING INFORMATION Ċ DG429
Temp Range
Package
Part Number
–40 to 85_C
18-Pin Plastic DIP
20-Pin PLCC
18-Pin Widebody SOIC
DG429DJ
DG429DN
DG429DW
Document Number: 70063
S-52433—Rev. J, 06-Sep-99