MT88E45BS1 Zarlink, MT88E45BS1 Datasheet - Page 26

• Manufacturer Part Number: MT88E45BS1
• Description: Caller ID CMOS 3.58MHz 3.3V 20-Pin SOIC Tube
• Manufacturer: Zarlink

Specifications of MT88E45BS1

• Package: 20SOIC
• Telecommunication Standards Supported: ANSI/TIA/EIA-716|ETSI/ETS 300 778-1|GR-30|SIN227|SIN242|SR-TSV-002476|TIA/EIA-777
• Fabrication Technology: CMOS
• Maximum Data Rate: 1212 Bd
• Typical Operating Supply Voltage: 3.3 V
• Typical Supply Current: 2.8 mA
• Minimum Operating Temperature: -40 °C
• Maximum Operating Temperature: 85 °C
• Operating Frequency: 3.58 MHz

Advance Information
Notes:
1) From TW/P&E/312. Start time: The CPE should enter the signalling state by applying the DC and AC terminations within this time
2) End time: The CPE should leave the signalling state by removing the DC and AC terminations within this time after the end of Data,
3) PWDN and FSKen are internal signals decoded from CB0/1/2.
4) This signal represents the mode of the DR/STD pin.
A/B Wires
TE DC load
TE AC load
after the end of the ring burst.
indicated by CD returning to high. The MT88E45 should also be taken out of FSK mode at this time to prevent the FSK
demodulator from reacting to other in-band signals such as speech, and DTMF tones.
FSKen
Note 3
PWDN
DCLK
DATA
OSC2
Note 3
Note 4
CD
DR
Figure 18 - Application Timing for UK’s CCA Caller Display Service (CDS), e.g., CLIP
Line Reversal (Optionally sent)
Ring Burst
Note 1
250-400ms
A
t
PU
B
Ch. seizure
..101010..
t
CP
C
Mark
D
Note 2
50-150ms
Data
Data
E
t
CA
t
PD
F
A = 200-450ms
B
C = 80-262ms
D = 45-262ms
E
F >200ms
Note:
from "CCA Exceptions
Document Issue 3"
First Complete
Ring Cycle
500ms
2.5s (typ. 500ms)
MT88E45
Parameter
F
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