AK2546 Datasheet, PDF (2/27 Pages) Asahi Kasei Microsystems – 7 channel T1 Transceiver

ASAHI KASEI
[AK2546]
GENERAL DESCRIPTION
The AK2546 is the 7 channel short haul T1 transceiver for a SONET MUX, M13 MUX, etc.
It includes seven independent transmitters, clock and data recovery, LOS detector, control circuit
in one LQFP-144 package which saves space, power consumption and the board design time.
Internally generated transmit pulse provides the appropriate pulse shape for line length ranging
from 0 to 655 feet from a DSX-1 cross connect.
PIN ASSIGNMENTS
TCLK7 1
TPOS7 2
TNEG7 3
RCLK7 4
RPOS7 5
RNEG7 6
TCLK6 7
TPOS6 8
TNEG6 9
RCLK6 10
RPOS6 11
RNEG6 12
IOVDD2 13
IOVSS2 14
TAVDD2 15
TAVSS2 16
TCLK5 17
TPOS5 18
TNEG5 19
RCLK5 20
RPOS5 21
RNEG5 22
DAVSS2 23
DVSS2 24
DVDD2 25
LOS7 26
LOS6 27
LOS5 28
AD0 29
AD1 30
AD2 31
AD3 32
AD4 33
AD5 34
AD6 35
AD7 36
(TOP VIEW)
108 TCLK1
107 TPOS1
106 TNEG1
105 RCLK1
104 RPOS1
103 RNEG1
102 TCLK2
101 TPOS2
100 TNEG2
99 RCLK2
98 RPOS2
97 RNEG2
96 IOVDD1
95 IOVSS1
94 TAVDD1
93 TAVSS1
92 TCLK3
91 TPOS3
90 TNEG3
89 RCLK3
88 RPOS3
87 RNEG3
86 DAVSS1
85 DVSS1
84 DVDD1
83 TCLK4
82 TPOS4
81 TNEG4
80 RCLK4
79 RPOS4
78 RNEG4
77 LOS1
76 LOS2
75 LOS3
74 LOS4
73 RAVDD1
C0019-E-01
2
1999/9