參數(shù)資料
型號: 4565B2
元件分類: 數(shù)字傳輸電路
英文描述: ATM/SONET/SDH SUPPORT CIRCUIT, PBGA909
封裝: PLASTIC, BGA-909
文件頁數(shù): 13/61頁
文件大?。?/td> 1691K
代理商: 4565B2
4565B Ultramapper Full Transport Retiming Device
Hardware Design Guide, Revision 2
622/155 Mbits/s SONET/SDH x DS3/E3/DS2/DS1/E1
December 17, 2003
20
Agere Systems Inc.
2.3 Pin Types
Table 2-3 describes each type of input, output, and I/O pin used in the 4565B Ultramapper Full Transport Retiming Device.
Table 2-3. Pin Types
Type Label
Description
I
LVCMOS input, LVTTL switching thresholds.
I pd
LVCMOS input, LVTTL switching thresholds with internal 50 k
pull-down resistor.
I pu
LVCMOS input, LVTTL switching thresholds with internal 50 k
pull-up resistor.
O
LVCMOS output.
O od
Open-drain output.
LIN
LVDS inputs.
LOUT
LVDS outputs.
I/O
Bidirectional pin; LVCMOS input with LVTTL switching thresholds and LVCMOS output.
I/O pd
Bidirectional pin; LVCMOS input with LVTTL switching thresholds with internal 50 k
pull-down resistor and
LVCMOS output.
Power, ground, analog inputs for external resistors, capacitors, voltage references, etc.
NC
No connect
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