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PDF 74HC192 Data sheet ( Hoja de datos )
| Número de pieza | 74HC192 | |
| Descripción | Presettable synchronous BCD decade up/down counter | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT192
Presettable synchronous BCD
decade up/down counter
Product specification
File under Integrated Circuits, IC06
December 1990
1 page  
Philips Semiconductors
Presettable synchronous BCD decade
up/down counter
Product specification
74HC/HCT192
FUNCTION TABLE
OPERATING MODE
reset (clear)
parallel load
count up
count down
INPUTS
OUTPUTS
MR PL CPU CPD D0 D1 D2 D3 Q0 Q1 Q2 Q3 TCU TCD
HXX L X X X X L L L L H L
HXX H X X X X L L L L H H
LLX L L L L L L L L L H L
LLX H L L L L L L L L H H
LLL X H X XH
LLH X H X XH
L H↑ H X X X X
Qn = Dn
Qn = Dn
count up
LH
HH
H(2) H
L HH ↑ X X X X
count down
H H(3)
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
↑ = LOW-to-HIGH clock transition
2. TCU = CPU at terminal count up (HLLH)
3. TCD = CPD at terminal count down (LLLL)
Fig.4 Functional diagram.
December 1990
5
5 Page 
Philips Semiconductors
Presettable synchronous BCD decade
up/down counter
AC WAVEFORMS
Product specification
74HC/HCT192
(1) HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.7 Waveforms showing the clock (CPU, CPD) to output (Qn) propagation delays, the clock pulse width and
the maximum clock pulse frequency.
(1) HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.8 Waveforms showing the clock (CPU, CPD) to terminal count output (TCU, TCD) propagation delays.
(1) HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.9 Waveforms showing the parallel load input (PL) and data (Dn) to Qn output propagation delays and PL
removal time to clock input (CPU, CPD).
December 1990
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet 74HC192.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| 74HC190 | Synchronous Decade Up/Down Counters |  National Semiconductor |
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| 74HC190 | Presettable synchronous BCD decade up/down counter | Philips |
| 74HC191 | Synchronous Binary Up/Down Counters | National Semiconductor |
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