MAX14978 Datasheet, PDF (10/15 Pages) Maxim Integrated Products – SuperSpeed USB Passive Switch (Low/Full/Hi/SuperSpeed)

SuperSpeed USB Passive Switch
(Low/Full/Hi/SuperSpeed)
TOP VIEW
Pin Configuration
38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
N.C. 39
N.C. 40
N.C. 41
N.C. 42 ₊
MAX14978
21 GND
20 VDD
19 GND
EP 18 VDD
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
TQFN
PIN
1, 2, 3, 6,
8, 36,
39-42
4
5, 10, 14,
17, 19, 21
7
9
11
12
13, 18,
20, 30
15
16
22
23
24
25
26
27
28
29
31
32
NAME
N.C.
COMD+
GND
COMD-
SEL2
COM0+
COM0-
VDD
COM1+
COM1-
NO1-
NO1+
NO0-
NO0+
NC1-
NC1+
NC0-
NC0+
NOD-
NCD-
FUNCTION
Pin Description
No Connection. Not internally connected.
Hi-Speed USB Analog Switch, Common D+ Terminal
Ground
Hi-Speed USB Analog Switch, Common D- Terminal
Digital Control Input for SuperSpeed USB Analog Switches
SuperSpeed USB Analog Switch 0, Common Positive Terminal
SuperSpeed USB Analog Switch 0, Common Negative Terminal
Positive Supply Voltage Input for SuperSpeed USB Switches. Bypass VDD to GND with a 0.1FF
ceramic capacitor as close as possible to the device.
SuperSpeed USB Analog Switch 1, Common Positive Terminal
SuperSpeed USB Analog Switch 1, Common Negative Terminal
SuperSpeed USB Analog Switch 1, Normally Open Negative Terminal
SuperSpeed USB Analog Switch 1, Normally Open Positive Terminal
SuperSpeed USB Analog Switch 0, Normally Open Negative Terminal
SuperSpeed USB Analog Switch 0, Normally Open Positive Terminal
SuperSpeed USB Analog Switch 1, Normally Closed Negative Terminal
SuperSpeed USB Analog Switch 1, Normally Closed Positive Terminal
SuperSpeed USB Analog Switch 0, Normally Closed Negative Terminal
SuperSpeed USB Analog Switch 0, Normally Closed Positive Terminal
Hi-Speed USB Analog Switch, Normally Open D- Terminal
Hi-Speed USB Analog Switch, Normally Closed D- Terminal
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