MAX456 Maxim, MAX456 Datasheet - Page 7

• Manufacturer Part Number: MAX456
• Description: 8 x 8 Video Crosspoint Switch
• Manufacturer: Maxim

Figure 1. MAX456 Functional Diagram
Table 3. Input/Output Line Configurations
Note : X = Don't Care, H = 5V, L = 0V
PARALLEL
SERIAL/
H
L
L
IN0
_______________________________________________________________________________________
SER/PAR
D3
H
X
L
IN1
IN2
A0
Parallel
Parallel
Input
Input
D2
X
A1
IN3
D0/SER IN
MAX456
SWITCH
MATRIX
A2
8 x 8
IN4
8 x 8 Video Crosspoint Switch
Parallel
Parallel
Output
Serial
Input
Input
2nd-RANK REGISTERS
1st-RANK REGISTERS
D1
D1/SER OUT
IN5
D2
IN6
D3
Serial Input
Parallel
Parallel
Input
Input
D0
IN7
V+
Address
Address
Output
Output
A2-A0
Buffer
Buffer
V- AGND DGND
X
BUFFERS
OUTPUT
A = 1
A = 1
LATCH
EDGE/LEVEL
WR
CE
CE
32-Bit Serial Mode
Parallel Mode,
D0-D2 = Control Code
Parallel Mode,
D0-D2 = Input Address
COMMENT
400
400
OUT0
OUT7
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