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HCC40160B Datasheet(PDF) 2 Page - STMicroelectronics

Part No. HCC40160B
Description  SYNCHRONOUS PROGRAMMABLE 4-BIT COUNTERS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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HCC40160B Datasheet(HTML) 2 Page - STMicroelectronics

 
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ABSOLUTE MAXIMUM RATING
Symbol
Parameter
Value
Unit
VDD *
Supply Voltage: HCC Types
HCF Types
-0.5 to +20
-0.5 to +18
V
V
Vi
Input Voltage
-0.5 to VDD + 0.5
V
II
DC Input Current (any one input)
± 10
mA
Ptot
Total Power Dissipation (per package)
Dissipation per Output Transistor
for Top = Full Package Temperature Range
200
100
mW
mW
Top
Operating Temperature: HCC Types
HCF Types
-55 to +125
-40 to +85
oC
oC
Tstg
Storage Temperature
-65 to +150
oC
Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress ratingonly and functional
operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure
to absolute maximum rating conditions for external periods may affect device reliability.
* All voltage values are referred to VSS pin voltage.
cascading counter for n-bit synchronour application
without additional gating. Instrumental in accom-
plishing this function are two count-enable input
and a carry output (COUT). Counting is enable
when both PE and TE inputs are high. The TE input
is fed forward to enable COUT. This enable output
produces a positive output pulse with a duration ap-
proximately equal to the positive portion of the Q1
output. This positive overflow carry pulse can be
used to enable successive cascaded stages. Logic
transitions at the PE or TE inputs may occur when
the clock is either high or low.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
VDD
Supply Voltage: HCC Types
HCF Types
3to 18
3to 15
V
V
VI
Input Voltage
0 to VDD
V
Top
Operating Temperature: HCC Types
HCF Types
-55 to +125
-40 to +85
oC
oC
TRUTH TABLE
Clock
CLR
LOAD
PE
TE
Operation
1
0
X
X
Preset
11
0
X
NC
11
X
0
NC
1
1
1
1
Count
X
0
X
X
X
Reset (HCC/HCF40160B, HCC/HCF40161B)
0
X
X
X
Reset (HCC/HCF40162B, HCC/HCF40163B)
1
X
X
X
NC (HCC/HCF40162B, HCC/HCF40163B)
1 = HIGH LEVEL, 0 = LOW LEVEL, X = DON’T CARE, NC = NO CHANGE
HCC/HCF40160B-40161B-40162-40163
2/15


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