DM7473 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
MFG CO.
DM7473 Datasheet PDF : 3 Pages
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Absolute Maximum Ratings(Note 1)
Supply Voltage
7V
Input Voltage
5.5V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range
−65°C to +150°C
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Symbol
Parameter
Min
Nom
Max
VCC
Supply Voltage
4.75
5
5.25
VIH
HIGH Level Input Voltage
2
VIL
LOW Level Input Voltage
0.8
IOH
HIGH Level Output Current
−0.4
IOL
LOW Level Output Current
16
fCLK
Clock Frequency (Note 3)
0
15
tW
Pulse Width
Clock HIGH
20
(Note 3)
Clock LOW
47
Clear LOW
25
tSU
Input Setup Time (Note 2)(Note 3)
0↑
tH
Input Hold Time (Note 2)(Note 3)
0↓
TA
Free Air Operating Temperature
0
70
Note 2: The symbol (↑, ↓) indicates the edge of the clock pulse is used for reference: (↑) for rising edge, (↓) for falling edge.
Note 3: TA = 25°C and VCC = 5V.
Units
V
V
V
mA
mA
MHz
ns
ns
ns
°C
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min Typ (Note 4) Max
VI
Input Clamp Voltage
VCC = Min, II = −12 mA
VOH
HIGH Level
VCC = Min, IOH = Max
2.4
Output Voltage
VIL = Max, VIH = Min
VOL
LOW Level
VCC = Min, IOL = Max
Output Voltage
VIH = Min, VIL = Max
II
Input Current @ Max Input Voltage VCC = Max, VI = 5.5V
IIH
HIGH Level
VCC = Max
J, K
Input Current
VI = 2.4V
Clock
Clear
−1.5
3.4
0.2
0.4
1
40
80
80
IIL
LOW Level Input
VCC = Max
J, K
−1.6
Current
VI = 0.4V
Clock
−3.2
Clear
−3.2
IOS
Short Circuit Output Current
ICC
Supply Current
Note 4: All typicals are at VCC = 5V, TA = 25°C.
VCC = Max (Note 5)
VCC = Max, (Note 6)
−18
−55
18
34
Note 5: Not more than one output should be shorted at a time.
Note 6: With all outputs OPEN, ICC is measured with the Q and Q outputs HIGH in turn. At the time of measurement the clock input grounded.
Units
V
V
V
mA
µA
mA
mA
mA
Switching Characteristics at VCC = 5V and TA = 25°C
Symbol
Parameter
fMAX
tPHL
tPLH
tPHL
tPLH
Maximum Clock Frequency
Propagation Delay Time HIGH-to-LOW Level Output
Propagation Delay Time LOW-to-HIGH Level Output
Propagation Delay Time HIGH-to-LOW Level Output
Propagation Delay Time LOW-to-HIGH Level Output
From (Input)
To (Output)
Clear to Q
Clear to Q
Clock to Q or Q
Clock to Q or Q
RL = 400Ω, CL = 15 pF
Min
Max
15
40
25
40
25
Units
MHz
ns
ns
ns
ns
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