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PDF M54HC42F1R Data sheet ( Hoja de datos )
| Número de pieza | M54HC42F1R | |
| Descripción | BCD TO DECIMAL DECODER | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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M54HC42
M74HC42
. HIGH SPEED
tPD = 13 ns (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT TA = 25 °C
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
. OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 4 mA (MIN.)
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS42
DESCRIPTION
The M54/74HC42 is a high speed CMOS BCD-TO-
DECIMAL DECODER fabricated in silicon gate
C2MOS technology.
It has the same high speed performance of LSTTL
combined with true CMOS low power consumption.
A BCD code applied to the four inputs A-D selects
one of ten decimal outputs Y0-Y9, which goes low
to fifteen gives a high level at all outputs. This device
also can be used as a 3-to-8 LINE DECODER, when
the D input is assigned as a disable input. This de-
vice is useful for code conversion, address decod-
ing, memory selection, demultiplexing, or readout
decoding.
All inputs are equipped with protection circuits against
static discharge and transient excess voltage.
BCD TO DECIMAL DECODER
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HC42F1R
M 74H C4 2M 1R
M 74HC 42 B1 R
M 74H C4 2C 1R
PIN CONNECTIONS (top view)
INPUT AND OUTPUT EQUIVALENT CIRCUIT
December 1992
NC =
No Internal
Connection
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1 page  
SWITCHING CHARACTERISTICS TEST WAVEFORM
M54/M74HC42
TEST CIRCUIT ICC (Opr.)
INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTIC TEST
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet M54HC42F1R.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| M54HC42F1R | BCD TO DECIMAL DECODER | ST Microelectronics |
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