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ACS8527 Datasheet PDF : 22 Pages
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ACS8527 MUXPLL
ADVANCED COMMUNICATIONS
Pin Description
Table 1 Power Pins
Pin Number
Symbol
I/O
8, 9,
VD1+, VD2+,
P
12
VD3+
22
VDD_DIFF
P
Type
-
-
27
VDD5V
P
-
32, 39,
VDD1, VDD2,
P
-
54
VDD3,
4
VA1+
P
-
14, 57
VA2+, VA3+
P
-
15, 58
AGND3, AGND4
7, 10,
DGND1, DGND2, P
-
11
DGND3
31, 40,
DGND4, DGND5, P
-
53
DGND6
21
GND_DIFF
P
-
1, 3
AGND1, AGND2 P
-
FINAL
DATASHEET
Description
Supply Voltage: Digital supply to gates in analog section, +3.3 Volts ±10%.
Supply Voltage: Digital supply for differential output pins 19 and 20, +3.3 Volts
± 10%.
Digital Supply for +5 Volts tolerance to input pins. Connect to +5 Volts (±10%) for
clamping to +5 Volts. Connect to VDD for clamping to +3.3 Volts. Leave floating
for no clamping, input pins tolerant up to +5.5 Volts.
Supply Voltage: Digital supply to logic, +3.3 Volts ±10%.
Supply Voltage: Analog supply to clock multiplying PLL, +3.3 Volts ±10%.
Supply Voltage: Analog supply to output PLLs APLL2 and APLL1, +3.3 Volts
± 10%.
Supply Ground: Analog ground for output PLLs APLL2 and APLL1.
Supply Ground: Digital ground for components in PLLs.
Supply Ground: Digital ground for logic.
Supply Ground: Digital ground for differential output pins 19 and 20.
Supply Ground: Analog grounds.
Note...I = Input, O = Output, P = Power, TTLU = TTL input with pull-up resistor, TTLD = TTL input with pull-down resistor.
Table 2 Internally Connected
Pin Number
Symbol
I/O
2, 16, 23, 24, IC1, IC2, IC3, IC4, -
25, 26, 42, IC5, IC6, IC7,
43, 47, 52, IC8, IC9, IC10,
60, 61, 62 IC11, IC12, IC13
Type
-
Description
Internally Connected: Leave to float.
44, 55, 59 NC1, NC2, NC3
-
-
Not Connected: Leave to float
Revision 4.01/June 2006 © Semtech Corp.
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