HD74HC682 Datasheet, PDF (4/7 Pages) Hitachi Semiconductor – 8-bit Magnitude Comparator

HD74HC682, HD74HC684
Electrical Characteristics
Item
Input voltage
Output voltage
Input current
(HC684)
Quiescent supply
current (HC684)
Input current
(HD682)
Quiescent supply
current (HC682)
Symbol
VIH
VIL
VOH
VOL
Iin
VCC (V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
6.0
Ta = 25°C
Min Typ Max
1.5 — —
3.15 — —
4.2 — —
— — 0.5
— — 1.35
— — 1.8
1.9 2.0 —
4.4 4.5 —
5.9 6.0 —
4.18 — —
5.68 — —
— 0.0 0.1
— 0.0 0.1
— 0.0 0.1
— — 0.26
— — 0.26
— — ±0.1
Ta = –40 to+85°C
Min Max Unit
Test Conditions
1.5
—
V
3.15
—
4.2
—
—
0.5
V
—
1.35
—
1.8
1.9
—
V Vin = VIH or VIL IOH = –20 µA
4.4
—
5.9
—
4.13
—
IOH = –4 mA
5.63
—
IOH = –5.2 mA
—
0.1
V Vin = VIH or VIL IOL = 20 µA
—
0.1
—
0.1
—
0.33
IOL = 4 mA
—
0.33
IOL = 5.2 mA
—
±1.0 µA Vin = VCC or GND
ICC
6.0
— — 4.0
—
40
µA Vin = VCC or GND, Iout = 0 µA
Iin
6.0
—
— ±0.1
—
±1.0 µA Vin = VCC
— — –0.6 —
–0.7 mA Iin = GND
ICC
6.0
— — 4.8
—
5.6 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 (C_L = 50 pF, Input t_r = t_f = 6 ns)
Item
Propagation delay
time
Output rise/fall
time
Input capacitance
Symbol VCC (V)
tPLH
2.0
tPHL
4.5
6.0
tPLH
2.0
tPHL
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
Cin
—
Ta = 25°C
Ta = –40 to +85°C
Min Typ Max Min Max Unit
Test Conditions
— — 175 —
220 ns P or Q to P=Q
— — 35
—
44
— — 30
—
37
— — 200 —
250 ns P or Q to P>Q
— — 40
—
50
— — 34
—
43
— — 60
—
75
ns
— — 12
—
15
— — 10
—
13
—
5
10
—
10
pF
Rev.2.00 Mar 30, 2006 page 4 of 6