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HD74HC280 Datasheet, PDF (3/6 Pages) Hitachi Semiconductor – 9-bit Odd/Even Parity Generator/Checker | |||
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HD74HC280
Electrical Characteristics
Item
Input voltage
Output voltage
Input current
Quiescent supply
current
Symbol
VIH
VIL
VOH
VOL
Iin
ICC
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
6.0
Ta = 25°C
Min Typ Max
1.5 â â
3.15 â â
4.2 â â
â â 0.5
â â 1.35
â â 1.8
1.9 2.0 â
4.4 4.5 â
5.9 6.0 â
4.18 â â
5.68 â â
â 0.0 0.1
â 0.0 0.1
â 0.0 0.1
â â 0.26
â â 0.26
â â ±0.1
â â 4.0
Ta = â40 to+85°C
Unit
Min Max
Test Conditions
1.5
â
V
3.15
â
4.2
â
â
0.5 V
â
1.35
â
1.8
1.9
â
V Vin = VIH or VIL IOH = â20 µA
4.4
â
5.9
â
4.13
â
IOH = â4 mA
5.63
â
â
IOH = â5.2 mA
0.1
V Vin = VIH or VIL IOL = 20 µA
â
0.1
â
0.1
â
0.33
IOL = 4 mA
â
0.33
IOL = 5.2 mA
â
±1.0 µA Vin = VCC or GND
â
40 µA Vin = VCC or GND, Iout = 0 µA
Switching Characteristics
Item
Propagation delay
time
Output rise/fall
time
Input capacitance
Symbol VCC (V)
tPLH
2.0
tPHL
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
Cin
â
Ta = 25°C
Min Typ Max
â â 205
â 22 41
â â 35
â â 75
â 5 15
â â 13
â 5 10
(CL = 50 pF, Input tr = tf = 6 ns)
Ta = â40 to +85°C
Unit
Min
Max
Test Conditions
â
255 ns Data to Σ Even or Σ Odd
â
51
â
43
â
95
ns
â
19
â
16
â
10 pF
Rev.2.00 Jan 31, 2006 page 3 of 5
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