ak2548 AKM Semiconductor, Inc., ak2548 Datasheet - Page 2

• Manufacturer Part Number: ak2548
• Description: 7 Channel E1 Transceiver - Asahi Kasei Microsystems
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
The AK2548 is the 7 channel E1 transceiver for a SDH/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.
PIN ASSIGNMENTS
C0028-E-00
AD7/SDO
TAVDD2
TAVSS2
DAVSS2
IOVDD2
IOVSS2
TNEG7
RPOS7
RNEG7
TNEG6
RPOS6
RNEG6
TNEG5
RPOS5
RNEG5
DVDD2
TPOS7
TPOS6
TPOS5
RCLK7
RCLK6
RCLK5
DVSS2
TCLK7
TCLK6
TCLK5
LOS7
LOS6
LOS5
AD0
AD1
AD2
AD3
AD4
AD5
AD6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
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21
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25
26
27
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31
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35
36
GENERAL DESCRIPTION
(TOP VIEW)
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[AK2548]
TCLK1
TPOS1
TNEG1
RCLK1
RPOS1
RNEG1
TCLK2
TPOS2
TNEG2
RCLK2
RPOS2
RNEG2
IOVDD1
IOVSS1
TAVDD1
TAVSS1
TCLK3
TPOS3
TNEG3
RCLK3
RPOS3
RNEG3
DAVSS1
DVSS1
DVDD1
TCLK4
TPOS4
TNEG4
RCLK4
RPOS4
RNEG4
LOS1
LOS2
LOS3
LOS4
RAVDD1
1999/9