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MC74HC147 Datasheet(PDF) 3 Page - Motorola, Inc

Part No. MC74HC147
Description  Decimal-to-BCD Encoder High-Performance Silicon-Gate CMOS
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC74HC147 Datasheet(HTML) 3 Page - Motorola, Inc

   
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MC74HC147
High–Speed CMOS Logic Data
DL129 — Rev 6
3
MOTOROLA
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
VCC
V
Guaranteed Limit
Unit
Symbol
Parameter
VCC
V
– 55 to
25
_C
v 85_C
v 125_C
Unit
tPLH,
tPHL
Maximum Propagation Delay, Input D to Output A
(Figures 1 and 2)
2.0
4.5
6.0
220
44
37
275
55
47
330
66
56
ns
tTLH,
tTHL
Maximum Output Transition Time, Any Output
(Figures 1 and 2)
2.0
4.5
6.0
75
15
13
95
19
16
110
22
19
ns
Cin
Maximum Input Capacitance
10
10
10
pF
NOTES:
1. For propagation delays with loads other than 50 pF, see Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).
2. Information on typical parametric values can be found in Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).
CPD
Power Dissipation Capacitance (Per Package)*
Typical @ 25
°C, VCC = 5.0 V
pF
CPD
Power Dissipation Capacitance (Per Package)*
35
pF
* Used to determine the no–load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see Chapter 2 of the
Motorola High–Speed CMOS Data Book (DL129/D).
Figure 1. Switching Waveforms
tr
VCC
GND
90%
50%
10%
90%
50%
10%
INPUT D
OUTPUT A
tPHL
tPLH
tTHL
tTLH
* Includes all probe and jig capacitance
Figure 2. Test Circuit
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
tf


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