ACS8514T View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
ACS8514T
Synchronous Equipment Timing Source Partner IC for 2nd T4 DPLL, Accurate Monitoring & Input Extender
Semtech Corporation
'ACS8514T' PDF : 86 Pages View PDF
ACS8514 SETS Buddy
ADVANCED COMMS & SENSING FINAL
DATASHEET
Pin Description
Table 1 Power Pins
Pin Number
Symbol
I/O
12, 13,
16
26
39
VD1+, VD3+,
P
VD2+
VAMI+
P
VDD_DIFF
P
Type
-
-
-
Description
Supply voltage: Digital supply to gates in analog section, +3.3 Volts ±
10%.
Supply voltage: Digital supply to AMI output, +3.3 Volts ± 10%.
Supply voltage: Digital supply for differential ports, +3.3 Volts ± 10%.
44
VDD5
P
50, 61,
85, 86
6
19, 91
11, 14,
15,
49, 62,
84, 87
29
38
VDDa, VDDd,
P
VDDc, VDDb
VA1+
P
VA2+, VA3+
P
DGND1,
P
DGND3,
DGND2,
DGNDa,DGNDd, P
DGNDc,DGNDb
GND_AMI
P
GND_DIFF
P
-
VDD5: 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, +3.3 Volts ± 10%.
-
Supply Ground: Digital ground for components in PLLs.
-
Supply Ground: Digital ground for logic.
-
Supply Ground: Digital ground for AMI output.
-
Supply Ground: Digital ground for differential ports.
1, 5,
20, 92
AGND, AGND1, P
AGND2, AGND3
-
Supply Ground: Analog grounds.
Note: I = Input, O = Output, P = Power, TTLU = TTL input with pull-up resistor, TTL D = TTL input with pull-down resistor.
Table 2 Internally Connected Pins
Pin Number
Symbol
I/O
22, 45, 96,
97, 98
IC1 - IC5
-
Table 3 Not connected Pins
Pin Number
Symbol
I/O
3, 4, 17, 18,
30-37, 88–90, NC1 – NC18
-
93, 94, 99
Type
-
Type
-
Description
Internally Connected: Leave to Float.
Description
Not Connected Internally : Leave to float or connect to gnd advised,
but may be routed over if necessary.
Revision 3.00 April 2007 © Semtech Corp.
Page 4
www.semtech.com
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