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Numéro de référence | M74HC4028 | ||
Description | BCD TO DECIMAL DECODER | ||
Fabricant | ST Microelectronics | ||
Logo | |||
1 Page
. HIGH SPEED
tPD = 18 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 4028B
M54HC4028
M74HC4028
BCD TO DECIMAL DECODER
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HC4028F1R M74HC4028M1R
M74HC4028B1R M74HC4028C1R
PIN CONNECTIONS (top view)
DESCRIPTION
The M54/74HC4028 is a high speed CMOS BCD-
TO-DECIMAL DECODER fabricated in silicon gate
C2MOS technology. It has the same high speed per-
formance of LSTTL combined with true CMOS low
power consumption. A BCD code applied to the four
inputs (A to D) provides a high level at the selected
one of the decimal decoded outputs. An illegal BCD
code such as eleven to fifteen gives a low level at
all outputs. The device also can be used as 3-TO-
8-LINE DECODER, when D input is assigned as a
disable input. The device is useful for code conver-
sion, address decoding, memory selection, demulti-
plexing, or read out decoding.
All inputs are equipped with protection circuits
against static discharge and transient excess volt-
age.
October 1992
NC =
No Internal
Connection
1/10
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Pages | Pages 10 | ||
Télécharger | [ M74HC4028 ] |
No | Description détaillée | Fabricant |
M74HC4020 | HC4020 14 STAGE BINARY COUNTER HC4040 12 STAGE BINARY COUNTER | ST Microelectronics |
M74HC4022 | OCTAL COUNTER/DIVIDER | ST Microelectronics |
M74HC4024 | 7 STAGE BINARY COUNTER | ST Microelectronics |
M74HC4028 | BCD TO DECIMAL DECODER | ST Microelectronics |
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TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
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