YTD428 YAMAHA [YAMAHA CORPORATION], YTD428 Datasheet - Page 2

• Manufacturer Part Number: YTD428
• Description: DSU LSI for the ISDN Terminal Equipment
• Manufacturer: YAMAHA [YAMAHA CORPORATION]

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Circuit Termination Section
Line Termination Section
T Reference Point Interface Section
Others
Features
Digital four-wire time-division full-duplex operation
Two-wire time compression multiplexing operation
Transmission rate at U reference point: 320 kbit/s, at T reference point: 192 kbit/s
Frame assembling and disassembling function
State transition control
Loopback function
T reference point timing control
U reference point driver control
Bridged tap equalizer
The T reference point driver / receiver section can be separated from DSU section, and use
+5 V single power supply
100 pin SQFP
Conforms to TTC Standard JT-I430 and JT-G961
Conforms to TTC Standard JT-G961
f
(switch between short passive bus / extended passive bus, point-to-point)
independently (TE mode). The user can enable or disable this feature as necessary.
equalizer