DG538A Datasheet, PDF (2/16 Pages) Vishay Siliconix – 4-/8-Channel Wideband Video Multiplexers

DG534A/538A
Vishay Siliconix
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
GND ¹
D_A ²
V+ ³
S_A1 ⁴
GND ⁵
S_A2 ⁶
GND ⁷
S_A3 ⁸
GND ⁹
S_A4 ¹⁰
8/4 ¹¹
RS ¹²
WR ¹³
A₂ ¹⁴
DG538ADJ
Dual-In-Line
Latch/Drivers
Top View
28 _DB
27 _V–
26 _SB1
25 _GND
24 _SB2
23 _GND
22 _SB3
21 _GND
20 _SB4
19 _VL
18 _I/O
17 _EN
16 _A0
15 _A1
DG538ADN
PLCC
4 3 2 1 28 27 26
GND 5
S_A2 6
GND 7
S_A3 8
GND 9
S_A4 10
8/4 11
Latch/Drivers
12 13 14 15 16 17 18
25 GND
24 S_B2
23 GND
22 S_B3
21 GND
20 S_B4
19 V_L
Top View
TRUTH TABLE Ċ DG534A
I/O
A₁
A₀
EN WR RS
X
X
X
X
1
X
X
X
X
X
0
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
0
X
0
1
0
1
0
X
1
1
0
1
1
Note b
1
1
4/2^a
1
X
X
0
0
0
0
1
1
Note c
On Switch
Maintains previous state
None (latches cleared)
None
S_A1
S_A2
D_A and D_B may be
S_B1
connected externally
S_B2
S_A1 and S_B1
S_A2 and S_B2
Latches Transparent
Logic “0” = V_AL v 0.8 V
Logic “1” = V_AH w 2.4 V
X = Don’t Care
www.vishay.com
2
Document Number: 70069
S-05734—Rev. G, 29-Jan-02