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參數(shù)資料
| 型號(hào)： | MC14544 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Single-Chip 300-Baud Modem |
| 中文描述： | 單芯片300波特調(diào)制解調(diào)器 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大小： | 161K |
| 代理商： | MC14544 |
MC145444
2
MOTOROLA
MUX
15–BIT
LATCH
ANALOG GROUND
GENERATOR
BLOCK DIAGRAM
+
+
_
– 1
FSK
DEMODULATOR
SMOOTHING
FILTER
MUX
CARRIER/CPT
DETECTOR
FSK
MODULATOR
DTMF
GENERATOR
LEVEL
CONTROL
CONTROL
LOGIC
15–BIT
SHIFT REGISTER
POWER–ON
RESET
CLOCK
GENERATOR
ANTI–ALIAS
FILTER
LOW–BAND
BPF
HIGH–BAND
BPF
MUX/
MIXING
AC AMP
MUX
S/H
Rf
R
FTLC
X1
X2
GND
VCC
GNDA
RxBO
RxA
RxGC
TxD
TLA
ENB
DATA
SCK
RxD
SD
CDA
DSI
TxA1
TxA2
–
65 k
20 k
30 k
MAXIMUM RATINGS*
(Voltages Referenced to VSS)
Rating
Symbol
Value
Unit
DC Supply Voltage
VCC
Vin
Vout
IIK, IOK
Iout
PD
Tstg
– 0.5 to + 7.0
V
DC Input Voltage
– 0.5 to VCC + 0.5
– 0.5 to VCC + 0.5
±
20
V
DC Output Voltage
V
Clamp Diode Current per Pin
mA
DC Current per Pin
±
25
mA
Power Dissipation
500
mW
Storage Temperature Range
– 65 to + 150
°
C
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Typ
Max
Unit
DC Supply Voltage
VCC
Vin
Vout
tr
tf
fosc
TA
4.5
5
5.5
V
DC Input Voltage
0
—
VCC
VCC
500
V
DC Output Voltage
0
—
V
Input Rise Time
0
—
ns
Input Fall Time
0
—
500
ns
Crystal Frequency
—
3.579545
—
MHz
Operating Temperature Range
– 20
25
70
°
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC145444 | Single-Chip 300-Baud Modem |
| MC145444P | Single-Chip 300-Baud Modem |
| MC145446AFW | Single-Chip 300-Baud Modem with DTMF Transceiver |
| MC145446A | Single-Chip 300-Baud Modem with DTMF Transceiver |
| MC145446 | Single-Chip 300-Baud Modem with DTMF Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC145443P | 制造商:Motorola Inc 功能描述: |
| MC145446AFW | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC145447DW | 制造商:Motorola Inc 功能描述:CALLER NUMBER ID CIRCUIT, 16 Pin, Plastic, SOP |
| MC145447DWR2 | 制造商:Motorola Inc 功能描述:TELEPHONE MULTIFUNCTION CKT, 16 Pin Plastic SOP |
| MC145447P | 制造商:Motorola Inc 功能描述: |
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