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PDF HEF40192B Data sheet ( Hoja de datos )
| Número de pieza | HEF40192B | |
| Descripción | 4-bit up/down decade counter | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC04 LOCMOS HE4000B Logic
Family Specifications HEF, HEC
• The IC04 LOCMOS HE4000B Logic
Package Outlines/Information HEF, HEC
HEF40192B
MSI
4-bit up/down decade counter
Product specification
File under Integrated Circuits, IC04
January 1995
1 page  
Philips Semiconductors
4-bit up/down decade counter
FUNCTION TABLE
MR PL
HX
LL
LH
CPU
X
X
LH
H
CPD
MODE
X reset (asyn.)
X parallel load
H count-up
count-down
Product specification
HEF40192B
MSI
Notes
1. H = HIGH state (the more positive voltage)
L = LOW state (the less positive voltage)
X = state is immaterial
= positive-going transition
Logic equations for terminal count:
TCD = O0 ⋅ O1 ⋅ O2 ⋅ O3 ⋅ CPD
TCU = O0 ⋅ O3 ⋅ CPU
Fig.5 State diagram.
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; input transition times ≤ 20 ns
Dynamic power
dissipation per
package (P)
VDD
V
TYPICAL FORMULA FOR P (µW)
5 550 fi + ∑(foCL) × VDD2
10 2400 fi + ∑(foCL) × VDD2
15 6500 fi + ∑(foCL) × VDD2
where
fi = input freq. (MHz)
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (foCL) = sum of outputs
VDD = supply voltage (V)
January 1995
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet HEF40192B.PDF ] | |
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