T7256 Agere Systems, T7256 Datasheet - Page 26

• Manufacturer Part Number: T7256
• Description: (T7234 - T7256) Compliance
• Manufacturer: Agere Systems

T7234 Single-Chip NT1 (SCNT1) Euro-LITE Transceiver
Application Briefs
T7234 Reference Circuit
Table 5. T7234 Reference Schematic Parts List (continued)
1. Kemet is a registered trademark of Kemet Laboratories Company, Inc.
2. Philips is a registered trademark of Philips Manufacturing Company.
3. Vitramon is a registered trademark of Vitramon, Inc.
4. Hewlett Packard is a registered trademark of Hewlett-Packard Company.
5. Polyswitch is a registered trademark of Raychem Corporation.
6. Bel and Bel Fuse are registered trademarks of Bel Fuse, Inc.
7. Molex is a registered trademark of Molex, Inc.
8. Pulse Engineering is a registered trademark of Pulse Engineering, Inc.
9. Dale is a registered trademark of Dale Electronics, Inc.
10. Valor is a registered trademark of Valor Electronics, Inc.
11. Advanced Power Components is a registered trademark of Advanced Power Technology, Inc.
12. Vacuumschmelze is a registered trademark of Vacuumschmelze GmbH.
22
Designator
Reference
R[20—23]
R[24—27]
R[14, 15]
R[16, 17]
U1
U2
U3
T1
T2
SMC Resistor,
1.1 k , 2 W, 5%
SMC Resistor,
75 , 1/8 W, 1%
SMC Resistor,
46.4 , 1/8 W, 1%
SMC Resistor,
100 , 1/8 W, 1%
ISDN U-interface
Transformer
ISDN S-interface
Dual Transformer
Single-chip NT1 IC,
44-pin PLCC
Optocoupler
ISDN dc Termina-
tion IC
Description
(continued)
(continued)
Dale
Dale
Dale
Dale
Lucent
Pulse
Engineering
[phone]
Lucent
Hewlett
Packard
Lucent
Source
WSC-2
CRCW120675R0F
CRCW120646R4F
CRCW12061000F
2754H2
Alternates (See note at the end of this table, p. 23.):
Lucent 2754K2 (1500 Vrms breakdown)
Lucent 2809A (for EN60950 compliance)
Valor
Midcom 671-7759 [phone]
PE65498
Alternates:
Pulse Engineering PE-68988 (single transformer,
Valor PT5048 [phone] (pin compatible)
Advanced Power Components
Vacuumschmelze
T7234
HCPL-0701
LH1465AB
reinforced insulation)
reinforced insulation)
T60403-L4097-X017-80
APC40498 (pin compatible)
APC2050S (single transformer, reinforced insulation)
U.S.: [phone]
Europe: 49-6181-38-2026
US: Terry Manton, Inc. (rep), [phone]
Europe: 44-634-290588
10
PT4084 [phone]
12
(VAC) (single transformer,
Part #
11
, LTD.
Lucent Technologies Inc.
February 1998
Data Sheet