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參數(shù)資料
| 型號(hào)： | MT8888C |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Integrated DTMF Transceiver with Intel Micro Interface(雙音多頻信號(hào)（DTMF）收發(fā)器（帶Intel微接口）) |
| 中文描述： | 集成雙音多頻收發(fā)器與英特爾微型接口（雙音多頻信號(hào)（DTMF）的收發(fā)器（帶英特爾微接口）） |
| 文件頁數(shù)： | 15/21頁 |
| 文件大小： | 171K |
| 代理商： | MT8888C |
MT8888C
4-103
Characteristics are over recommended operating conditions unless otherwise stated
Typical figures are at 25
°
C, V
DD
=5V, and for design aid only: not guaranteed and not subject to production testing
NOTES: 1)
dBm=decibels above or below a reference power of 1 mW into a 600 ohm load.
2)
Digit sequence consists of all 16 DTMF tones.
3)
Tone duration=40 ms. Tone pause=40 ms.
4)
Nominal DTMF frequencies are used.
5)
Both tones in the composite signal have an equal amplitude.
6)
The tone pair is deviated by
1.5%
2 Hz.
7)
Bandwidth limited (3 kHz) Gaussian noise.
8)
The precise dial tone frequencies are 350 and 440 Hz (
±
2%).
9)
Guaranteed by design and characterization. Not subject to production testing.
10)
Referenced to the lowest amplitude tone in the DTMF signal.
11)
For guard time calculation purposes.
AC Electrical Characteristics
- MPU Interface
- Voltages are with respect to ground (V
SS
), unless otherwise stated.
Characteristics
Sym
Min
Typ
Max
Units
Conditions
1
RD/WR clock frequency
f
CYC
t
CYC
t
R,
t
F
t
AS
t
AH
t
DHR
t
DDR
t
PWL
t
PWH
t
DSW
t
DHW
C
IN
C
OUT
4.0
MHz
Figure 16
2
RD/WR cycle period
250
ns
Figure 16
3
RD/WR rise and fall time
20
ns
Figure 16
4
Address setup time
23
ns
Figures 17 & 18
5
Address hold time
26
ns
Figures 17 & 18
6
Data hold time (read)
22
ns
Figures 17 & 18
7
RD to valid data delay (read)
100
ns
Figures 17 & 18
8
RD, WR pulse width low
150
ns
Figures 16, 17 & 18
9
RD, WR pulse width high
100
ns
Figures 16, 17 & 18
10
Data setup time (write)
45
ns
Figures 17 & 18
11
Data hold time (write)
10
ns
Figures 17 & 18
12
Input Capacitance (data bus)
5
pF
13
Output Capacitance (IRQ/CP)
5
pF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8889CC-1 | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889CN-1 | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889CS-1 | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889C | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889CC | Integrated DTMFTransceiver with Adaptive Micro Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8888CC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Integrated DTMFTransceiver with Intel Micro Interface |
| MT8888CC-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Integrated DTMFTransceiver with Intel Micro Interface |
| MT8888CE | 制造商:Microsemi Corporation 功能描述: |
| MT8888CE1 | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 5V 20PDIP - Rail/Tube 制造商:Microsemi Corporation 功能描述:PB FREE DTMF TRANSCEIVER 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX DTMF 20PDIP 制造商:Microsemi Corporation 功能描述:IC TXRX DTMF 20PDIP |
| MT8888CE-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Integrated DTMFTransceiver with Intel Micro Interface |
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