AD8109AST Analog Devices Inc, AD8109AST Datasheet - Page 10

• Manufacturer Part Number: AD8109AST
• Description: IC VIDEO CROSSPOINT SWIT 80LQFP
• Manufacturer: Analog Devices Inc

Specifications of AD8109AST

• Rohs Status: RoHS non-compliant
• Function: Video Crosspoint Switch
• Circuit: 1 x 8:8
• Voltage Supply Source: Dual Supply
• Voltage - Supply, Single/dual (±): ±4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 80-LQFP
• Array Configuration: 8x8
• Number Of Arrays: 1
• Screening Level: Industrial
• Pin Count: 80
• Package Type: LQFP
• Power Supply Requirement: Dual
• Lead Free Status / RoHS Status: Not Compliant

AD8108/AD8109
Table 8. Pin Function Descriptions
Pin No.
1, 3, 5, 7, 9, 11, 13, 15
57
58
59
56
61
60
55
41, 38, 35, 32, 29, 26, 23, 20
2, 4, 6, 8, 10, 12, 14, 16, 46
63, 79
62, 80
17, 45
18, 44
42, 39, 36, 33, 30, 27, 24, 21
43, 37, 31, 25, 19
40, 34, 28, 22
54
53
52
51
50
49
48
47, 64 to 78
Mnemonic
INxx
DATA IN
CLK
DATA OUT
UPDATE
RESET
CE
SER/PAR
OUTyy
AGND
DVCC
DGND
AVEE
AVCC
AGNDxx
AVCCxx/yy
AVEExx/yy
A0
A1
A2
D0
D1
D2
D3
NC
Description
Analog Inputs. xx = Channels 00 through 07.
Serial Data Input, TTL Compatible.
Clock, TTL Compatible. Falling edge triggered.
Serial Data Output, TTL Compatible.
Enable (Transparent) Low. Allows serial register to connect directly to switch matrix. Data
latched when high.
Disable Outputs, Active Low.
Chip Enable, Enable Low. Must be low to clock in and latch data.
Selects Serial Data Mode, Low or Parallel, High. Must be connected.
Analog Outputs. yy = Channels 00 through 07.
Analog Ground for Inputs and Switch Matrix.
5 V for Digital Circuitry
Ground for Digital Circuitry
−5 V for Inputs and Switch Matrix.
+5 V for Inputs and Switch Matrix.
Ground for Output Amp. xx = Output Channels 00 through 07. Must be connected.
+5 V for Output Amplifier that is Shared by Channels xx and yy. Must be connected.
−5 V for Output Amplifier that is Shared by Channels xx and yy. Must be connected.
Parallel Data Input, TTL Compatible (output select LSB).
Parallel Data Input, TTL Compatible (output select).
Parallel Data Input, TTL Compatible (output select MSB).
Parallel Data Input, TTL Compatible (input select LSB).
Parallel Data Input, TTL Compatible (input select).
Parallel Data Input, TTL Compatible (input select MSB).
Parallel Data Input, TTL Compatible (output enable).
No Connect.
Rev. B | Page 10 of 32