HD3SS3412 Datasheet, PDF (3/18 Pages) Texas Instruments – 4-Channel High-Performance Differential Switch

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PIN
PIN NAME
11
A2+
12
A2–
15
A3+
16
A3–
38
B0+
37
B0–
36
B1+
35
B1–
29
B2+
28
B2–
27
B3+
26
B3–
34
C0+
33
C0–
32
C1+
31
C1–
25
C2+
24
C2–
23
C3+
22
C3–
9
5, 13, 20, 30, 40
1, 4, 10, 14, 17,
19, 21, 39, 41, Center
Pad
8, 18, 42
SEL
VDD
GND
NC
HD3SS3412
SLAS828A – FEBRUARY 2012 – REVISED FEBRUARY 2012
PIN FUNCTIONS (continued)
I/O
DESCRIPTION
I/O
Port A, Channel 2, High Speed Positive Signal
Port A, Channel 2, High Speed Negative Signal
I/O
Port A, Channel 3, High Speed Positive Signal
Port A, Channel 3, High Speed Negative Signal
SWITCH PORT B
I/O
Port B, Channel 0, High Speed Positive Signal
lPort B, Channel 0, High Speed Negative Signal
I/O
Port B, Channel 1, High Speed Positive Signal
Port B, Channel 1, High Speed Negative Signal
I/O
Port B, Channel 2, High Speed Positive Signal
Port B, Channel 2, High Speed Negative Signal
I/O
Port B, Channel 3, High Speed Positive Signal
Port B, Channel 3, High Speed Negative Signal
SWITCH PORT C
I/O
Port C, Channel 0, High Speed Positive Signal
Port C, Channel 0, High Speed Negative Signal
I/O
Port C, Channel 1, High Speed Positive Signal
Port C, Channel 1, High Speed Negative Signal
I/O
Port C, Channel 2, High Speed Positive Signal
Port C, Channel 2, High Speed Negative Signal
I/O
Port C, Channel 3, High Speed Positive Signal
Port C, Channel 3, High Speed Negative Signal
CONTROL, SUPPLY, AND NO CONNECT
I
Select between port B or port C. Internally tied to GND via 100kΩ resistor
Supply Positive power supply voltage
Supply Negative power supply voltage
Electrically not connected
Table 2. MUX Pin Connections⁽¹⁾
PORT A CHANNEL
A0+
A0–
A1+
A1–
A2+
A2–
A3+
A3–
PORT B OR PORT C CHANNEL
CONNECTED TO PORT A CHANNEL
SEL = L
SEL = H
B0+
C0+
B0–
C0–
B1+
C1+
B1–
C1–
B2+
C2+
B2–
C2–
B3+
C3+
B3–
C3–
(1) The HD3SS3412 can tolerate polarity inversions for all differential signals on Ports A, B and C. Care
should be taken to ensure the same polarity is maintained on Port A vs. Port B/C.
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