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参数资料
| 型号： | ACS8509 |
| 元件分类： | 数字传输电路 |
| 英文描述： | ATM/SONET/SDH SUPPORT CIRCUIT, PQFP100 |
| 封装： | LQFP-100 |
| 文件页数： | 45/68页 |
| 文件大小： | 703K |
| 代理商： | ACS8509 |
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ADVANCED COMMUNICATIONS
FINAL
DATASHEET
Revision 2.00/January 2006 Semtech Corp.
Page 5
www.semtech.com
ACS8509 SETS
Note...I = Input, O = Output, P = Power, TTLU = TTL input with pull-up resistor, TTLD = TTL input with pull-down resistor.
Pin Description
Table 1 Power Pins
Pin Number
Symbol
I/O
Type
Description
12, 13, 16
VD+
P
-
Supply Voltage: Digital supply to gates in analog section, +3.3 Volts ±10%.
33, 39
VDD_DIFF
P
-
Supply Voltage: Digital supply for differential ports, +3.3 Volts ±10%.
44
VDD5
P
-
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.
50, 61, 85,
86 91
VDD
P
-
Supply Voltage: Digital supply to logic, +3.3 Volts ±10%.
6
VA1+
P
-
Supply Voltage: Analog supply to clock multiplying PLL, +3.3 Volts ±10%.
19
VA2+
P
-
Supply Voltage: Analog supply to output PLLs, +3.3 Volts ±10%.
11, 14, 15,
24, 25, 29,
49, 62, 84,
87,92
DGND
P
-
Supply Ground: Digital ground for logic
32,
38
GND_DIFF
P
-
Supply Ground: Digital ground for differential ports.
1, 5,
20
AGND
P
-
Supply Ground: Analog grounds.
Table 2 Not Connected or Internally Connected Pins
Pin Number
Symbol
I/O
Type
Description
4, 17, 26
NC
-
Not connected: Leave to Float
3, 18, 22, 27,
28, 34, 35,
40, 41, 42,
43, 46, 47,
52, 53, 55,
57, 89, 93,
94, 96, 97, 98
IC
-
Internally Connected: Leave to Float.
Table 3 Other Pins
Pin Number
Symbol
I/O
Type
Description
2TRST
I
TTLD
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.
7TMS
I
TTLU
JTAG Test Mode Select: Boundary Scan enable. Sampled on rising edge of
TCK. If not used connect to VDD or leave floating.
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相关代理商/技术参数 |
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|---|---|
| ACS8509T | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Synchronous Equipment Timing Source for SONET or SDH Network Elements |
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| ACS8510_03 | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Synchronous Equipment Timing Source for SONET or SDH Network Elements |
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| ACS8510REV2.1SETS | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Synchronous Equipment Timing Source for SONET or SDH Network Elements |
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