mt88l89asr1 Zarlink Semiconductor, mt88l89asr1 Datasheet - Page 21

• Manufacturer Part Number: mt88l89asr1
• Description: 3 V Integrated Dtmf Transceiver With Adaptive Micro Interface
• Manufacturer: Zarlink Semiconductor

† Timing is over recommended temperature & power supply voltages.
‡ Typical figures are at 25°C and for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics
AC Electrical Characteristics
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
RD/WR low pulse width
DS high pulse width
Rise and fall time all digital inputs
R/W setup time
R/W hold time
Address setup time (RS0)
Address hold time (RS0)
Data hold time (read)
DS/RD to valid data delay (read)
O
N
N
O
N
O
U
T
E
T
E
T
X
T
A
L
I
Tone present detect time
Tone absent detect time
Delay St to b3
Delay St to RX
Tone burst duration
Tone pause duration
Tone burst duration (extended)
Tone pause duration (extended)
High group output level
Low group output level
Pre-emphasis
Output distortion (Single Tone)
Frequency deviation
Output load resistance
Crystal/clock frequency
Clock input rise and fall time
Clock input duty cycle
OSC2 load capacitance
Oscillator start-up time
Characteristics
Characteristics
0
-RX
3
†
† - Voltages are with respect to ground (V
- MPU Interface
Sym.
t
t
Zarlink Semiconductor Inc.
t
t
t
RWH
t
RWS
V
t
t
DHR
DDR
V
R,
Sym.
t
DC
t
t
t
t
CH
AH
THD
AS
PStRX
dB
CL
PStb3
t
C
t
BSTE
R
CLRF
t
t
HOUT
t
t
LOUT
OST
t
BST
PSE
f
f
DP
DA
PS
F
- Voltages are with respect to ground (V
D
C
LO
LT
MT88L89
CL
P
21
Min.
3.5759 3.5795 3.5831
200
200
-17.3
-19.3
23
26
45
22
Min.
0
100
100
0.5
50
50
10
40
5
Typ.
400
400
SS
Typ.
±0.7
), unless otherwise stated.
50
11
4
2
‡
‡
Max.
125
20
Max.
-13.3
-15.3
±1.5
104
104
110
8.5
-35
14
20
52
52
50
60
30
10
11
3
Units
SS
ns
ns
ns
ns
ns
ns
ns
ns
ns
), unless otherwise stated.
Units
dBm
dBm
MHz
ms
ms
ms
ms
ms
ms
ms
dB
dB
kΩ
µs
µs
pF
ns
%
%
Figure 16, Note 12
t
Figure 16, Note 12
t
Figure 16
Figures 17
Figures 17
Figures 17 - 19
Figures 17 - 19
Figures 17 - 18
Figures 17 - 18
CL
CL
Note 11
Note 11
Figure 7, Note 9
Figure 7, Note 9
DTMF mode
DTMF mode
Call Progress mode
Call Progress mode
R
R
R
25 kHz Bandwidth
R
f
Note 9
Note 9
Ext. clock, Note 9
Ext. clock, Note 9
Note 9
C
+ t
+ t
LT
LT
LT
LT
=3.579545 MHz
Conditions
=10kΩ
=10kΩ
=10kΩ
CH
CH
=10kΩ, Note 9
Conditions
≥ 1000ns
≥ 1000ns
Data Sheet