LC74201JE
Pin Function
Power Supply, Test Pin, Unconnected Pins
Pin No.
17
39
60
75
81
124
20
37
54
69
76
105
Symbol
DVDD1
DVSS1
I/O
Logic
Function
–
–
System power supply (4-V power supply: 3.7 to 4.0 V)
–
–
System power supply (connect to ground)
29
DVDD2
–
114
–
Power supply for 5-V I/O pins (5-V power supply: 5.0 ±0.5 V)
33
DVSS2
–
112
–
Power supply for 5-V I/O pins (connect to ground)
65
AVSS
–
–
Power supply for VCO and PLL (connect to ground)
67
AVDD
–
–
Power supply for VCO and PLL (4-V power supply: 3.7 to 4.0 V)
125
CLKO
Out Positive Clock output for VCO and PLL at test
127
TEST
In
Positive Test mode control pin (normally kept at low level)
Unconnected pins below must be connected to GND or left open
NC
–
–
34, 36, 40, 42, 53, 57, 64, 82, 83, 84 pins
85, 86, 97, 98, 108, 110, 126, 128 pins
No. 5761-3/21