ACS8509 Semtech Corporation, ACS8509 Datasheet - Page 5

• Manufacturer Part Number: ACS8509
• Description: Synchronous Equipment Timing Source for Sonet or SDH Network Elements
• Manufacturer: Semtech Corporation

Table 1 Power Pins
Note...I = Input, O = Output, P = Power, TTL
Table 2 Not Connected or Internally Connected Pins
Table 3 Other Pins
Revision 2.00/January 2006 © Semtech Corp.
Pin Description
ADVANCED COMMUNICATIONS
12, 13, 16
33, 39
44
50, 61, 85,
86 91
6
19
11, 14, 15,
24, 25, 29,
49, 62, 84,
87,92
32,
38
1, 5,
20
4, 17, 26
3, 18, 22, 27,
28, 34, 35,
40, 41, 42,
43, 46, 47,
52, 53, 55,
57, 89, 93,
94, 96, 97, 98
2
7
Pin Number
Pin Number
Pin Number
VD+
VDD_DIFF
VDD5
VDD
VA1+
VA2+
DGND
GND_DIFF
AGND
NC
IC
TRST
TMS
Symbol
Symbol
Symbol
I/O
I/O
I/O
NC
IC
P
P
P
P
P
P
P
P
P
I
I
U
= TTL input with pull-up resistor, TTL
Type
TTL
TTL
Type
Type
-
-
-
-
-
-
-
-
-
-
-
D
U
FINAL
JTAG Control Reset Input: TRST = 1 to enable JTAG Boundary Scan mode.
TRST = 0 for Boundary Scan stand-by mode, still allowing correct device
operation. If not used connect to GND or leave floating.
JTAG Test Mode Select: Boundary Scan enable. Sampled on rising edge of
TCK. If not used connect to VDD or leave floating.
Supply Voltage: Digital supply to gates in analog section, +3.3 Volts ±10%.
Supply Voltage: Digital supply for differential ports, +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, +3.3 Volts ±10%.
Supply Ground: Digital ground for logic
Supply Ground: Digital ground for differential ports.
Supply Ground: Analog grounds.
Page 5
Not connected: Leave to Float
Internally Connected: Leave to Float.
D
= TTL input with pull-down resistor.
Description
Description
Description
ACS8509 SETS
DATASHEET
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