YTD428-S Yamaha, YTD428-S Datasheet - Page 3
YTD428-S
Manufacturer Part Number
YTD428-S
Description
IDSU - ISDN DSU for Terminal Equipment
Manufacturer
Yamaha
Datasheet
1.YTD428-S.pdf
(26 pages)
Specifications of YTD428-S
Case
TQFP
Dc
04+
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
YTD428-S
Manufacturer:
DATEL
Quantity:
20
Part Number:
YTD428-S
Manufacturer:
YAMAHA
Quantity:
20 000
CONTENTS
- 1 -
Contents
1. INTRODUCTION ..................................................................................... 2
1.1 Features ................................................................................................................................ 3
2. BLOCK DIAGRAM .................................................................................. 4
2.1 Internal Block Diagram .......................................................................................................... 4
2.2 DSU Configuration Example ................................................................................................. 5
3. PIN DESCRIPTIONS .............................................................................. 7
3.1 Pin Assignments .................................................................................................................... 7
3.2 Pin Functions ........................................................................................................................ 8
4. DETAILS OF FUNCTIONS.................................................................... 13
4.1 U Reference Point Section .................................................................................................. 13
4.2 Circuit Termination / Line Termination Section .................................................................... 13
4.3 Interface Switch Section ...................................................................................................... 14
4.4 T Reference Interface Section ............................................................................................ 15
5. ELECTRICAL CHARACTERISTICS ..................................................... 16
5.1 Absolute Maximum Ratings ................................................................................................. 16
5.2 Recommended Operating Conditions ................................................................................. 16
5.3 DC Characteristics .............................................................................................................. 17
5.4 AC Characteristics ............................................................................................................... 18
6. PIN DESCRIPTIONS ............................................................................ 22
REFERENCE CIRCUIT ............................................................................ 23