MAX458 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX458 Datasheet PDF : 16 Pages
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8x4 Video Crosspoint Switches with Buffers
______________________________________________________________Pin Description
PIN
DIP
PLCC
1
1
2, 4, 6, 8,
14, 16, 18,
27, 33, 35
3, 5, 8, 10,
16, 18, 20,
30, 37, 39
3
4
NAME
DIN
GND
IN0
Serial Data Input
Ground
Analog Input Channel 0
FUNCTION
5
7
IN1
Analog Input Channel 1
7
9
IN2
Analog Input Channel 2
9
11
IN3
Analog Input Channel 3
10, 31
11
12, 35
13
VCC
Positive Power Supply (+5V). Connect both VCC pins to the positive supply.
IN4
Analog Input Channel 4
12, 29
13
14, 33
15
VEE
Negative Power Supply (-5V). Connect both VEE pins to the negative supply.
IN5
Analog Input Channel 5
15
17
IN6
Analog Input Channel 6
17
19
IN7
Analog Input Channel 7
19
21
SHDN Shutdown, active high. Connect to GND if not used.
20
22
DOUT Serial Data Output used for daisy-chaining devices.
21
23
D3
Parallel Digital Channel Input Address Bit 3
22
25
D2
Parallel Digital Channel Input Address Bit 2
23
26
D1
Parallel Digital Channel Input Address Bit 1
24
27
D0
Parallel Digital Channel Input Address Bit 0
25
28
A1
Parallel Digital Amplifier Output Address Bit 1
26
29
A0
Parallel Digital Amplifier Output Address Bit 0
28
31
OUT3 Amplifier 3 Analog Output
30
34
OUT2 Amplifier 2 Analog Output
32
36
OUT1 Amplifier 1 Analog Output
34
38
OUT0 Amplifier 0 Analog Output
36
40
–C—E–
Chip Enable, used in parallel mode. Keep high for serial operation.
37
41
–W—R–
Write Low, latches input registers in parallel mode. Hold high for serial operation.
38
42
–U—P—D—A—T—E– Update Low, latches amplifier registers in parallel mode. Hold high for serial operation.
39
43
SCLK Serial Clock
40
44
–C—S–
Chip Select, used in serial operation. Hold high for parallel mode of operation.
—
2, 6, 24, 32 N.C.
Not Internally Connected
Note: All GND pins must be grounded for optimum crosstalk performance.
6 _______________________________________________________________________________________
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