DS21448A1 Maxim Integrated, DS21448A1 Datasheet - Page 5

• Manufacturer Part Number: DS21448A1
• Description: Network Controller & Processor ICs 3.3V E1/T1/J1 Quad Interface
• Manufacturer: Maxim Integrated

Specifications of DS21448A1

• Part # Aliases: 90-21448-0A1

1. BLOCK DIAGRAMS
Figure 1-1. Block Diagram
RRING
TRING
TTIP
BIS0
RTIP
CHANNEL 1
CHANNEL 2
2
CHANNEL 3
CHANNEL 4
CONNECTIONS
2
POWER
INTERFACE
SERIAL
MUX (THE SERIAL, PARALLEL, AND HARDWARE INTERFACES
UNFRAMED
INSERTION
ALL-ONES
PARALLEL INTERFACE
SHARE DEVICE PINS)
VCO/PLL
JACLK
5
8
5 of 60
CONTROL AND
ALL BLOCKS)
(ROUTED TO
n
2.048MHz TO
1.544MHz PLL
TYPICAL OF ALL FOUR CHANNELS
CONTROL AND TEST
PORT (ROUTED TO
ALL BLOCKS)
JTAG PORT
See
See
SYNTHESIZER
16.384MHz OR
Figure 1-2
Figure 1-3
8.192MHz OR
4.096MHz OR
MUX
2.048MHz
Semiconductor
DS21448
Dallas
RCL/LOTC
PBEO
HRST
TXDIS/TEST
RCLK
RPOS
RNEG
TPOS
TCLK
TNEG
BPCLK