MT88E43BS1 Zarlink, MT88E43BS1 Datasheet - Page 15

• Manufacturer Part Number: MT88E43BS1
• Description: Caller ID CMOS 3.58MHz 3.3V/5V 24-Pin SOIC Tube
• Manufacturer: Zarlink

Specifications of MT88E43BS1

• Package: 24SOIC
• Telecommunication Standards Supported: GR-30|SIN227|SIN242|SR-TSV-002476|TR-NWT-000030
• Fabrication Technology: CMOS
• Maximum Data Rate: 1212 Bd
• Typical Operating Supply Voltage: 3.3|5 V
• Typical Supply Current: 3 mA
• Minimum Operating Temperature: -40 °C
• Maximum Operating Temperature: 85 °C
• Operating Frequency: 3.58 MHz

A
FCC Part 68, DOC CS-03, UL 1459, and CAN/CSA-22.2 No. 225-M90 are all system (i.e. connectors, power
supply, cabinet, etc.) requirements. Since the MT88E43 is a component and not a system, the application circuit
(Figure 11) has been designed to meet the CO Trunk interface requirements of FCC, DOC, UL, and CSA; thus
enabling the complete system to be approved by these standards bodies.
Products are designed in accordance with meeting the above requirements; however, full conformance to these
standards is dependent upon the application in which the MT88E43 is being used, and therefore, approvals are the
responsibility of the customer and Zarlink will not have tested the product to meet the above standards.
TIP / A
RING / B
NOTE: Resistors must have 1% tolerance, capacitors have 20%
pprovals
: R
: R
: For applications where CAS speech immunity is required (e.g. CIDCW)
: For BT Application C=0.1µF ±5%, R
Figure 11 - Application Circuit with Improved Common Mode Noise Immunity and Isolation in
: Bridge rectifier diodes are 1N914.
C=0.1µF ±5%, R
1
1
tolerance unless specified otherwise.
= 430K, R
= 620K, R
330nF
10%
100nF
10%
12K1
5%
4
4
= 34K for V
= 63K4 for V
Vdd
3
22nF
22nF
=825kΩ ±1%, R
5%
5%
Motorola
4N25
DD
DD
R
R
= 5V ± 10% (See Figure 10)
464K
= 3V ± 10% (See Figure 10)
1
1
5%
2
=226kΩ ±1%
3
=422kΩ ±1%, R
1N4003
1N4003
1N4003
1N4003
1N5231B
200K
5%
Vdd
Vdd
Zarlink Semiconductor Inc.
MT88E43B
R
R
2
4
4
Vdd
=422kΩ ±1%
10nF
Line Interface
150K
5%
15
464K
V
MODE
IN+
IN-
GS
CAP
TRIGin
OSCin
OSCout
V
TRIGRC
TRIGout
Ref
SS
MT88E43
(FSK Interface Mode 0 selected)
FSKen
PWDN
DATA
DCLK
St/GT
V
= To microcontroller
= From microcontroller
ESt
INT
CD
DR
DD
StD
IC
R
R
3
2
C
Data Sheet
Vdd
1N914
Vdd
100K
20%