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CD54HC192 Datasheet(PDF) 10 Page - Texas Instruments

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Part # CD54HC192
Description  High-Speed CMOS Logic Presettable Synchronous 4-Bit Up/Down Counters
PDF  20 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

CD54HC192 Datasheet(HTML) 10 Page - Texas Instruments

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FIGURE 7. SET-UP AND HOLD TIMES DATA TO PARALLEL LOAD (PL)
FIGURE 8. CASCADED UP/DOWN COUNTER WITH PARALLEL LOAD
NOTE: Illegal states in BCD counters corrected in one count.
NOTE: Illegal states in BCD counters corrected in one or two counts.
FIGURE 9. ’HC192, ’HCT193 STATE DIAGRAMS
Test Circuits and Waveforms (Continued)
INPUT LEVEL
INPUT LEVEL
Q = p
VS
tH
tSU(L)
Q = p
Qn
PL
Pn
tSU(H)
VS
VS
tH
P0 P1 P2 P3
TCU
TCD
MR
Q0 Q1 Q2 Q3
CPU
CPD
PL
UP CLOCK
DOWN CLOCK
ASYNCHRONOUS,
PARALLEL LOAD
RESET
OUTPUT
CARRY
BORROW
DATA INPUT
P0 P1 P2 P3
TCU
TCD
MR
Q0 Q1 Q2 Q3
CPU
CPD
PL
234
5
6
7
8
9
10
11
12
13
14
15
1
0
COUNT UP
234
5
6
7
8
9
10
11
12
13
14
15
1
0
COUNT DOWN



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