AK2546 Datasheet, PDF (1/27 Pages) Asahi Kasei Microsystems – 7 channel T1 Transceiver

ASAHI KASEI
[AK2546]
AK2546
7 channel T1 Transceiver
FEATURE
• 7ch short haul T1 transceiver
• Jitter Tolerance: Compliant with GR-499 Category I, II
• Transmitter Pulse Shape: Compliant with GR-499
• Loss of Signal Detection
• Selectable Signal Polarity
• Local/Remote Loopback
• Parallel Microprocessor Interface
• Single 3.3V±5% Operation
• Low Power Consumption (105mW/ch: Typ)
• Pin-to-pin compatible with AK2548 (7 channel E1 transceiver)
• Small Plastic Package 144pin LQFP
MCLK
CLKSEL
RESET
TEST1-5
RTIP1
RRING1
TTIP1
TRING1
RTIP2-7
RRING2-7
TTIP2-7
TRING2-7
CLKGEN
BLOCK DIAGRAM
CONTROL
TRANSCEIVER 1
LOS
RECOVER
SHAPER
TRANSCEIVER 2-7
7 Channel T1 Transceiver Block Diagram
R /W (WR)
AD7-AD0
AS(ALE)
DS(RD)
CS
BTS
INT
LOS1
RCLK1
RPOS
RNEG1
TCLK1
TPOS
TNEG1
LOS2-7
RCLK2-7
RPOS2-7
RNEG2-7
TCLK2-7
TPOS2-7
TNEG2-7
C0019-E-01
1
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