MT8889CP Zarlink Semiconductor, Inc., MT8889CP Datasheet - Page 21

• Manufacturer Part Number: MT8889CP
• Description: DTMF Transceiver, Integrated DTMF Transceiver with Adaptive Micro Interface
• Manufacturer: Zarlink Semiconductor, Inc.

AC Electrical Characteristics
† 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
- Voltages are with respect to ground (V
- Voltages are with respect to ground (V
10
12
13
14
15
16
17
18
19
10
12
13
14
15
11
11
5
6
7
8
9
1
2
3
4
5
6
7
8
9
DS/RD/WR clock frequency
DS/RD/WR cycle period
DS/RD/WR low pulse width
DS/RD/WR high pulse width
DS/RD/WR rise and fall time
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)
Data setup time (write)
Data hold time (write)
Chip select setup time
Chip select hold time
O
O
N
E
U
X
A
T
T
T
L
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
Capacitive load (OSC2)
Characteristics
Characteristics
†
†
SS
- MPU Interface
SS
(continued)
), unless otherwise stated.
), unless otherwise stated.
V
V
Zarlink Semiconductor Inc.
DC
t
t
Sym
THD
t
BSTE
dB
CLRF
C
t
HOUT
R
LOUT
BST
t
Sym
t
t
t
t
t
t
PSE
f
t
t
t
t
PS
f
f
DHW
RWS
RWH
DSW
CYC
CYC
t
t
DHR
DDR
CSS
CSH
R,
t
D
C
LO
LT
CH
t
AS
AH
CL
MT8889C
CL
P
t
F
3.5759 3.5795 3.5831
21
Min
-6.1
-8.1
100
100
50
50
10
40
Min
150
0
23
20
40
22
45
10
45
40
0
Typ
Typ
250
100
-35
4.0
50
20
35
0.7
2
‡
‡
Max
100
Max
104
104
-2.1
-4.1
20
110
52
52
50
60
30
1.5
3
Units
MHz
Units
dBm
dBm
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
ms
ms
k
dB
dB
pF
ns
%
%
DTMF mode
DTMF mode
Call Progress mode
Call Progress mode
R
R
R
25 kHz Bandwidth
R
f
Ext. clock
Ext. clock
Figure 18
Figure 18
Figure 18
Figure 18
Figure 18
Figures 19 & 20
Figures 19 & 20
Figures 19 - 22
Figures 19 - 22
Figures 19 - 22
Figures 19 - 22
Figures 19 - 22
Figures 19 - 22
Figures 19 - 22
Figures 19 - 22
C
L
L
L
L
=3.579545 MHz
=10k
=10k
=10k
=10k
Conditions
Conditions
Data Sheet