Renesas HD74HC682P 8-bit magnitude comparator Datasheet

HD74HC682, HD74HC684
8-bit Magnitude Comparator
REJ03D0642-0200
(Previous ADE-205-528)
Rev.2.00
Mar 30, 2006
Description
These magnitude comparators perform comparisons of two eight-bit binary or BCD words. All types provide P=Q
outputs and provide P>Q outputs. The HD74HC682 features 20 kΩ pullup termination resistors on the Q inputs for
analog or switch data.
Type
P=Q
P>Q
Output Enable
20 kΩ Pullup
HD74HC682
HD74HC684
Yes
Yes
Yes
Yes
No
No
Yes
No
Features
• High Speed Operation
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
• Ordering Information
Part Name
Package Type
HD74HC682P
HD74HC684P
HD74HC682RPEL
HD74HC684RPEL
DILP-20 pin
SOP-20 pin (JEDEC)
Package Code
(Previous Code)
PRDP0020AC-B
(DP-20NEV)
PRSP0020DC-A
(FP-20DBV)
Package
Abbreviation
Taping Abbreviation
(Quantity)
P
—
RP
EL (1,000 pcs/reel)
Function Table
Input Data
Outputs
P, Q
P=Q
P=Q
L
P>Q
H
P>Q
P<Q
H
H
L
H
Note: 1. The P<Q function can be generated by applying the P=Q and P>Q Outputs to a 2-input NAND gate.
H : high level
L : low level
Rev.2.00 Mar 30, 2006 page 1 of 6
HD74HC682, HD74HC684
Pin Arrangement
P>Q
1
20 VCC
P0
2
19 P=Q
Q0
3
18 Q7
P1
4
17 P7
Q1
5
16 Q6
P2
6
15 P6
Q2
7
14 Q5
P3
8
13 P5
Q3
9
12 Q4
GND 10
11 P4
(Top view)
Logic Diagram
P0
P=Q
Q0
P1
Q1
VCC
P2
Q2
P>Q
P3
Q3
P4
Q4
VCC
P5
Q5
P6
Q6
P7
Q7
VCC
Rev.2.00 Mar 30, 2006 page 2 of 6
HD74HC682, HD74HC684
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
Input / Output voltage
VCC
VIN, VOUT
–0.5 to 7.0
–0.5 to VCC +0.5
V
V
IIK, IOK
IOUT
±20
±25
mA
mA
ICC or IGND
PT
±50
500
mA
mW
Input / Output diode current
Output current
VCC, GND current
Power dissipation
Storage temperature
Tstg
–65 to +150
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Recommended Operating Conditions
Item
Supply voltage
Symbol
VCC
Ratings
2 to 6
Unit
V
Input / Output voltage
Operating temperature
VIN, VOUT
Ta
0 to VCC
–40 to 85
V
°C
tr , tf
0 to 1000
0 to 500
Input rise / fall time
Note:
*1
0 to 400
1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Rev.2.00 Mar 30, 2006 page 3 of 6
ns
Conditions
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
HD74HC682, HD74HC684
Electrical Characteristics
Ta = 25°C
Item
Input voltage
Symbol VCC (V)
VIH
VIL
Output voltage
VOH
VOL
Ta = –40 to+85°C
2.0
Min
1.5
Typ
—
Max
—
Min
1.5
Max
—
4.5
6.0
3.15
4.2
—
—
—
—
3.15
4.2
—
—
2.0
4.5
—
—
—
—
0.5
1.35
—
—
0.5
1.35
6.0
2.0
—
1.9
—
2.0
1.8
—
—
1.9
1.8
—
4.5
6.0
4.4
5.9
4.5
6.0
—
—
4.4
5.9
—
—
4.5
6.0
4.18
5.68
—
—
—
—
4.13
5.63
—
—
2.0
4.5
—
—
0.0
0.0
0.1
0.1
—
—
0.1
0.1
6.0
4.5
—
—
0.0
—
0.1
0.26
—
—
0.1
0.33
Unit
Test Conditions
V
V
V
Vin = VIH or VIL IOH = –20 µA
IOH = –4 mA
IOH = –5.2 mA
V
Vin = VIH or VIL IOL = 20 µA
IOL = 4 mA
Input current
(HC684)
Iin
6.0
6.0
—
—
—
—
0.26
±0.1
—
—
0.33
±1.0
µA
IOL = 5.2 mA
Vin = VCC or GND
Quiescent supply
current (HC684)
Input current
(HD682)
ICC
6.0
—
—
4.0
—
40
µA
Vin = VCC or GND, Iout = 0 µA
Iin
6.0
—
—
±0.1
—
±1.0
µA
Vin = VCC
Quiescent supply
current (HC682)
ICC
6.0
—
—
—
—
–0.6
4.8
—
—
–0.7
5.6
mA Iin = GND
mA Qn = GND, other inputs = VCC
or GND Iout = 0 µA
—
—
4.0
—
40
µA
Qn = VCC, other inputs = VCC
or GND Iout = 0 µA
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Item
Propagation delay
time
Symbol VCC (V)
Ta = –40 to +85°C
tPLH
tPHL
2.0
Min
—
4.5
6.0
—
—
—
—
35
30
—
—
44
37
tPLH
tPHL
2.0
4.5
—
—
—
—
200
40
—
—
250
50
6.0
2.0
—
—
—
—
34
60
—
—
43
75
4.5
6.0
—
—
—
—
12
10
—
—
15
13
—
—
5
10
—
10
Output rise/fall
time
tTLH
tTHL
Input capacitance
Cin
Rev.2.00 Mar 30, 2006 page 4 of 6
Typ
—
Max
175
Min
—
Max
220
Unit
Test Conditions
ns
P or Q to P=Q
ns
P or Q to P>Q
ns
pF
HD74HC682, HD74HC684
Test Circuit
VCC
VCC
Output
Pulse Generator
Zout = 50 Ω
See Function Table
Input
P0
P=Q
P7
Output
CL =
50 pF
P>Q
Q0
CL =
50 pF
Q7
Note : 1. CL includes probe and jig capacitance.
Waveforms
tr
tf
90 %
50 %
Input
10 %
10 %
t PLH
0V
t PHL
90 %
Same-phase output
VCC
90 %
50 %
VOH
90 %
50 %
10 %
t PHL
50 %
10 %
t TLH
t PLH
t THL
90 %
90 %
Inverse-phase output
50 %
10 %
t THL
VOL
50 %
10 %
VOH
VOL
t TLH
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns
2. The output are measured one at a time with one transition per measurement.
Rev.2.00 Mar 30, 2006 page 5 of 6
HD74HC682, HD74HC684
Package Dimensions
JEITA Package Code
P-DIP20-6.3x24.5-2.54
RENESAS Code
PRDP0020AC-B
Previous Code
DP-20NEV
MASS[Typ.]
1.26g
D
11
E
20
1
10
b3
0.89
A1
A
Z
Reference
Symbol
L
e1
D
E
A
A1
bp
b3
c
θ
e
Z
L
θ
bp
e
c
e1
( Ni/Pd/Au plating )
JEITA Package Code
P-SOP20-7.5x12.8-1.27
RENESAS Code
PRSP0020DC-A
*1
Previous Code
FP-20DBV
Dimension in Millimeters
Min
Nom Max
7.62
24.50 25.40
6.30 7.00
5.08
0.51
0.40 0.48 0.56
1.30
0.19 0.25 0.31
0°
15°
2.29 2.54 2.79
1.27
2.54
MASS[Typ.]
0.52g
D
F
20
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
@ DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
@ INCLUDE TRIM OFFSET.
11
HE
c
*2
E
bp
Index mark
Terminal cross section
( Ni/Pd/Au plating )
1
e
*3
bp
x
M
L1
A
Z
Reference
Symbol
10
A1
θ
L
y
Detail F
Rev.2.00 Mar 30, 2006 page 6 of 6
D
E
A2
A1
A
bp
b1
c
c1
θ
HE
e
x
y
Z
L
L1
Dimension in Millimeters
Min Nom Max
12.80 13.2
7.50
0.10 0.20 0.30
2.65
0.34 0.40 0.46
0.20 0.25 0.30
0°
8°
10.00 10.40 10.65
1.27
0.12
0.15
0.935
0.40 0.70 1.27
1.45
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