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M74HC283 Schematic ( PDF Datasheet ) - ST Microelectronics

Teilenummer M74HC283
Beschreibung 4 BIT BINARY FULL ADDER
Hersteller ST Microelectronics
Logo ST Microelectronics Logo 




Gesamt 10 Seiten
M74HC283 Datasheet, Funktion
M54HC283
M74HC283
. HIGH SPEED
tPD = 17 ns (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT 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
. FULL-CARRY LOOK-AHEAD ACROSS THE
FOUR BITS
. PARTIAL LOOK-AHEAD WITHTHE ECONOMY
OF RIPPLY CARRY
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS283
4 BIT BINARY FULL ADDER
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M 54HC 28 3F 1R
M 74H C2 83 M1 R
M 74HC 28 3B 1R
M 74H C2 83 C1 R
PIN CONNECTIONS (top view)
DESCRIPTION
The M54/74HC283 is a high speed CMOS 4-BIT BI-
NARY FULL ADDER fabricated in silicon gate
C2MOS technology. It has the same high speed per-
formance of LSTTL combined with true CMOS low
power consumption.
Sum (Σ) outputs are provided for each bit and a re-
sultant carry (C4) is obtained from the fourth bit. This
adder features full internal look ahead across all four
bits. A 4 x n binary adder is easily built up by cas-
cading without any additional logic.
All inputs are equipped with protection circuits
against static discharge and transient excess volt-
age.
October 1992
NC =
No Internal
Connection
1/10






M74HC283 Datasheet, Funktion
M54/M74HC283
DIM.
a1
B
b
b1
D
E
e
e3
F
I
L
Z
Plastic DIP16 (0.25) MECHANICAL DATA
MIN.
0.51
0.77
mm
TYP.
0.5
0.25
8.5
2.54
17.78
3.3
MAX.
1.65
20
7.1
5.1
1.27
MIN.
0.020
0.030
inch
TYP.
0.020
0.010
0.335
0.100
0.700
0.130
MAX.
0.065
0.787
0.280
0.201
0.050
P001C
6/10

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