HCF4011 STMicroelectronics, HCF4011 Datasheet - Page 4
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HCF4011
Manufacturer Part Number
HCF4011
Description
DECADE UP-DOWN COUNTER/DECODER/LATCH/DRIVER
Manufacturer
STMicroelectronics
Datasheet
1.HCF4011.pdf
(11 pages)
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TRUTH TABLE
x = Don’t care 1 = High State 2 = Low State
* Typically 100 ns between clock-up and clock-down positive transitions are required to ensure proper counting
HCC/HCF40110B
LOGIC DIAGRAM (continued)
4/11
CLOCK UP*
X
X
X
X
CLOCK
DOWN*
X
X
X
X
ENABLE
LATCH
X
X
X
0
0
1
1
TOGGLE
ENABLE
0
0
X
X
1
0
0
DISPLAY SEGMENTS
Ouptut Low (sink) Current Characterisitcs.
RESET
0
0
0
1
0
0
0
Increments by 1 Follows Counter
Decrement by 1 Follows Counter
Increments by 1
Decrement by 1
Goes to 00000
No Change
COUNTER
Inhibited
Follows Counter
Remains Fixed
Remains Fixed
Remains Fixed
(Display = 0 )
No Change
DISPLAY