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MM74HC943N Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # MM74HC943N
Description  300 Baud Modem
Download  8 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

MM74HC943N Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Notes12)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage (VCC)
b
05 to a70V
DC Input Voltage (VIN)
b
15 to VCCa15V
DC Output Voltage (VOUT)
b
05 to VCCa05V
Clamp Diode Current (IIK IOK)
g
20 mA
DC Output Current per pin (IOUT)
g
25 mA
DC VCC or GND Current per pin (ICC)
g
50 mA
Storage Temperature Range (TSTG)
b
65 Cto a150 C
Power Dissipation (PD)
(Note 3)
600 mW
SO Package only
500 mW
Lead Temp (TL) (Soldering 10 seconds)
260 C
Operating Conditions
Min
Max
Units
Supply Voltage (VCC)
45
55
V
DC Input or Output Voltage
0
VCC
V
(VIN VOUT)
Operating Temp Range (TA)
MM74HC
b
40
a
85
C
Input Rise or Fall Times
(tr tf)
500
ns
Crystal frequency
3579
MHz
DC Electrical Characteristics VCCe5V g10% (unless otherwise specified)
TAe25 C
74HC
Symbol
Parameter
Conditions
TAeb40 to 85 C
Units
Typ
Guaranteed Limits
VIH
Minimum High Level
315
315
V
Input Voltage
VIL
Maximum Low Level
11
11
V
Input Voltage
VOH
Minimum High Level
VINeVIH or VIL
Output Voltage
lIOUTle20 mAVCCb005
VCCb01
VCCb01
V
lIOUTle40 mA VCCe45V
384
37
V
VOL
Maximum Low Level
VINeVIH or VIL
Voltage
lIOUTle20 mA
01
01
V
lIOUTle40 mA VCCe45V
033
04
V
IIN
Maximum Input
VINeVCC or GND
g
01
g
10
m
A
Current
IOZ
Output TRI-STATE
ALBeSQTeVCC
g
5
m
A
Leakage Current
RXD and CD Outputs
ICC
Maximum Quiescent
VIHeVCC VILeGND
80
100
100
mA
Supply Current
ALB or SQTeGND
IGNDA
Analog Ground Current
Transmit Leveleb9 dBm
10
20
20
mA
ICC
Power Down Supply Current
ALBeSQTeVCC
300
m
A
VIHeVCC VILeGND
Note 1
Absolute Maximum Ratings are those values beyond which damage to the device may occur
Note 2
Unless otherwise specified all voltages are referenced to ground
Note 3
Power Dissipation temperature derating
plastic ‘‘N’’ package b12 mW C from 65 Cto85 C ceramic ‘‘J’’ package b12 mW C from 100 Cto125 C
The demodulator specifications apply to the MM74HC943 operating with a modulator having frequency accuracy phase jitter and harmonic content equal to or
better than the MM74HC943 modulator
2


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