DG538A Datasheet, PDF (3/16 Pages) Vishay Siliconix – 4-/8-Channel Wideband Video Multiplexers

DG534A/538A
Vishay Siliconix
I/O A₂
X
X
X
X
X
X
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
X
0
X
0
X
0
X
1
A₁
A₀
X
X
X
X
X
X
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
Note b
TRUTH TABLE Ċ DG538A
EN
WR
RS
8/4^a
On Switch
X
1
1
Maintains previous state
X
X
0
X
None (latches cleared)
0
0
1
X
None
1
0
1
0
S_A1
1
0
1
0
S_A2
1
0
1
0
S_A3
1
0
1
0
S_A4
D_A and D_B should be
1
0
1
0
S_B1
connected externally
1
0
1
0
S_B2
Latches Transparent
1
0
1
0
S_B3
1
0
1
0
S_B4
1
0
1
1
S_A1 and S_B1
1
0
1
1
S_A2 and S_B2
1
0
1
1
S_A3 and S_B3
1
0
1
1
S_A4 and S_B4
1
1
Note c
Logic “0” = V_AL v 0.8 V
Logic “1” = V_AH w 2 V
X = Don’t Care
Notes:
a. Connect D_A and D_B together externally for single-ended operation.
b. With I/O high, A_n and EN pins become outputs and reflect latch contents. See timing diagrams for more detail.
c. 8/4 can be either “1” or “0” but should not change during these operations.
ORDERING INFORMATION
Temperature Range
Package
Part Number
DG534A
–40 to 85_C
–55 to 125_C
20-Pin Plastic DIP
20-Pin PLCC
20-Pin Sidebraze
DG534ADJ
DG534ADN
DG534AAP/883, 5962-906021MRC
DG538A
–40 to 85_C
–55 to 125_C
28-Pin Plastic DIP
28-Pin PLCC
28-Pin Sidebraze
DG538ADJ
DG538ADN
DG538AAP/883, 5962-8976001MXA
Document Number: 70069
S-05734—Rev. G, 29-Jan-02
www.vishay.com
3