ST M74HC283 User Manual

M74HC283
4-BIT BINARY FULL ADDER
HIGH SPEED :
t
= 17ns (TYP.) at VCC = 6V
PD
LOW POWER DISSIPATION:
I
=4µA(MAX.) at TA=25°C
CC
HIGH NOISE IMMUNITY:
= V
V
NIH
SYMMETRICAL OUTPUT IMPEDANCE:
|I
| = IOL = 4mA (MIN)
OH
BALANCED PROPAGATION DELAYS:
t
t
PLH
WIDE OPERATING VOLTAGE RANGE:
V
(OPR) = 2V to 6V
CC
FULL-CARRY LOOK-AHEAD ACROSS THE
= 28 % VCC (MIN.)
NIL
PHL
FOUR BITS
PARTIAL LOOK-AHEAD WI TH THE
ECONOMY OF RIPPLE CARRY
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 283
DESCRIPTION
The M74HC283 is an high speed CMOS 4 BIT BINARY FULL ADDER fabricated with silicon gate
2
C
MOS technology.
TSSOPDIP SOP
ORDER CODES
PACKAGE TUBE T & R
DIP M74HC283B1R
SOP M74HC283M1R M74HC283RM13TR
TSSOP M74HC283TTR
Sum (Σ) outputs are provided for each bit and a resultant 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 cascading without any additional logic. All inputs are equipped with protection circuits against static discharge and transient excess voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
1/9August 2001
M74HC283
INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
PIN No SYMBOL NAME AND FUNCTION
4, 1, 13, 10 5, 3, 14, 12 A1 to A4 A Operand Inputs 6, 2, 15, 11 B1 to B4 B Operand Inputs
7 C0 Carry Input 9 C4 Carry Output 8 GND Ground (0V)
16 Vcc Positive Supply Voltage
TRUTH TABLE
INPUTS OUTPUTS
Σ1 to Σ4
Sum Outputs
Bn An Cn - 1
LLLLL LLHHL LHLHL
LHHLH HLLHL HLHLH HHLLH HHHHH
BLOCK DIAGRAM
Σn
Cn
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LOGIC DIAGRAM
M74HC283
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
I
I
OK
I
I
or I
CC
P
T
T
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied (*) 500mW at 65
Supply Voltage
CC
DC Input Voltage -0.5 to VCC + 0.5
I
DC Output Voltage -0.5 to VCC + 0.5
O
DC Input Diode Current
IK
DC Output Diode Current DC Output Current
O
DC VCC or Ground Current
GND
Power Dissipation
D
Storage Temperature
stg
Lead Temperature (10 sec)
L
°C; derate to 300mW by 10mW/°C from 65°C to 85°C
-0.5 to +7 V V V
± 20 mA ± 20 mA ± 25 mA ± 50 mA
500(*) mW
-65 to +150 °C
300 °C
RECOMMENDED OPERATING CONDITIONS
Symbol Parameter Value Unit
V
V
V
T
t
r
Supply Voltage
CC
Input Voltage 0 to V
I
Output Voltage 0 to V
O
Operating Temperature
op
Input Rise and Fall Time VCC = 2.0V
, t
f
V V
CC CC
= 4.5V = 6.0V
2 to 6 V
CC CC
-55 to 125 °C 0 to 1000 ns
0 to 500 ns 0 to 400 ns
V V
3/9
M74HC283
DC SPECIFICATIONS
Symbol Parameter
V
V
V
V
I
High Level Input
IH
Voltage
Low Level Input
IL
Voltage
High Level Output
OH
Voltage
Low Level Output
OL
Voltage
I
Input Leakage
I
Current Quiescent Supply
CC
Current
Test Condition Value
V
(V)
CC
= 25°C
A
Min. Typ. Max. Min. Max. Min. Max.
-40 to 85°C -55 to 125°C
T
2.0 1.5 1.5 1.5
6.0 4.2 4.2 4.2
2.0 0.5 0.5 0.5
6.0 1.8 1.8 1.8
2.0
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
6.0
6.0
IO=-20 µA I
=-20 µA
O
I
=-20 µA
O
I
=-4.0 mA
O
I
=-5.2 mA
O
IO=20 µA I
=20 µA
O
I
=20 µA
O
I
=4.0 mA
O
I
=5.2 mA
O
= VCC or GND
V
I
= VCC or GND
V
I
1.9 2.0 1.9 1.9
4.4 4.5 4.4 4.4
5.9 6.0 5.9 5.9
4.18 4.31 4.13 4.10
5.68 5.8 5.63 5.60
0.0 0.1 0.1 0.1
0.0 0.1 0.1 0.1
0.0 0.1 0.1 0.1
0.17 0.26 0.33 0.40
0.18 0.26 0.33 0.40 ± 0.1 ± 1 ± 1 µA
44080µA
Unit
V4.5 3.15 3.15 3.15
V4.5 1.35 1.35 1.35
V
V
AC ELECTRICAL CHARACTERISTICS (C
Test Condition Value
Symbol Parameter
t
TLH tTHL
t
PLH tPHL
t
PLH tPHL
Output Transition Time
Propagation Delay Time
(An, Bn -
Σn)
Propagation Delay Time (An, Bn - C4)
t
PLH tPHL
t
PLH tPHL
Propagation Delay Time
Σn)
(C0 ­Propagation Delay
Time (C0 - C4)
V
CC
(V)
2.0 30 75 95 110
6.0 7131619
2.0 95 210 265 315
6.0 22 36 45 54
2.0 80 195 245 295
6.0 20 33 42 50
2.0 60 150 190 225
6.0 17 26 32 38
2.0 60 150 190 225
6.0 17 26 32 38
= 50 pF, Input tr = tf = 6ns)
L
= 25°C
T
A
Min. Typ. Max. Min. Max. Min. Max.
-40 to 85°C -55 to 125°C
Unit
ns4.5 8151922
ns4.5 27 42 53 63
ns4.5 25 39 49 59
ns4.5 20 30 38 45
ns4.5 20 30 38 45
4/9
M74HC283
CAPACITIVE CHARACTERISTICS
Test Condition Value
T
Symbol Parameter
V
CC
(V)
C
C
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (R ef er to Test Circ ui t). Averag e operatin g current can be obtained by t he following equation. I
Input Capacitance
IN
Power Dissipation
PD
Capacitance (note 1)5.0 126 pF
5.0 5101010pF
= 25°C
A
Min. Typ. Max. Min. Max. Min. Max.
TEST CIRCUIT
-40 to 85°C -55 to 125°C
= CPD x VCC x fIN + I
CC(opr)
CC
Unit
CL = 50pF or equivalent (in cludes jig and probe capaci tance) R
= Z
of pulse generator (typically 50)
T
OUT
WAVEFORM : PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)
5/9
M74HC283
Plastic DIP-16 (0.25) MECHANICAL DATA
mm. inch
DIM.
MIN. TYP MAX. MIN. TYP. MAX.
a1 0.51 0.020
B 0.77 1.65 0.030 0.065 b 0.5 0.020
b1 0.25 0.010
D 20 0.787 E 8.5 0.335
e 2.54 0.100
e3 17.78 0.700
F 7.1 0.280
I 5.1 0.201
L 3.3 0.130
Z 1.27 0.050
6/9
P001C
SO-16 MECHANICAL DATA
M74HC283
DIM.
A 1.75 0.068 a1 0.1 0.2 0.003 0.007 a2 1.65 0.064
b 0.35 0.46 0.013 0.018
b1 0.19 0.25 0.007 0.010
C 0.5 0.019 c1 45° (typ.)
D 9.8 10 0.385 0.393
E 5.8 6.2 0.228 0.244
e 1.27 0.050
e3 8.89 0.350
F 3.8 4.0 0.149 0.157
G 4.6 5.3 0.181 0.208
L 0.5 1.27 0.019 0.050
M 0.62 0.024
S8° (max.)
MIN. TYP MAX. MIN. TYP. MAX.
mm. inch
PO13H
7/9
M74HC283
TSSOP16 MECHANICAL DATA
mm. inch
DIM.
MIN. TYP MAX. MIN. TYP. MAX.
A 1.2 0.047
A1 0.05 0.15 0.002 0.004 0.006
A2 0.8 1 1.05 0.031 0.039 0.041
b 0.19 0.30 0.007 0.012
c 0.09 0.20 0.004 0.0089
D 4.9 5 5.1 0.193 0.197 0.201
E 6.2 6.4 6.6 0.244 0.252 0.260
E1 4.3 4.4 4.48 0.169 0.173 0.176
e 0.65 BSC 0.0256 BSC
K0° 8°0° 8°
L 0.45 0.60 0.75 0.018 0.024 0.030
A2
A
A1
b
e
c
K
L
E
D
E1
PIN 1 IDENTIFICATION
8/9
1
0080338D
M74HC283
Information furnished is bel ieved to be accurate and reliable. However, STMicroe lectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No li cense is granted by i mp lication or otherwise under a ny patent or patent rig h ts of S TMic roelec tronics. Specifications mentioned in this publication ar e subject to change without notice. This publication supersedes and replaces all information previously supplied. S TMicroelectronics products are not authorized for use as critica l components in life suppo rt devices or systems without express written approval of STMicroelectronics.
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