HD74HC280 Datasheet, PDF (3/7 Pages) Hitachi Semiconductor – 9-bit Odd/Even Parity Generator/Checker

HD74HC280
DC Characteristics
Item
Input voltage
Output voltage
Input current
Quiescent supply
current
Ta = 25°C
Ta = –40 to
+85°C
Symbol
V_IH
V_CC (V) Min Typ Max Min
2.0
1.5 — — 1.5
4.5
3.15 — — 3.15
Max
—
—
Unit
V
6.0
4.2 — — 4.2 —
V_IL
2.0
— — 0.5 — 0.5 V
4.5
— — 1.35 — 1.35
6.0
— — 1.8 — 1.8
V_OH
2.0
1.9 2.0 — 1.9 — V
4.5
4.4 4.5 — 4.4 —
6.0
5.9 6.0 — 5.9 —
4.5
4.18 — — 4.13 —
6.0
5.68 — — 5.63 —
V_OL
2.0
— 0.0 0.1 — 0.1 V
4.5
— 0.0 0.1 — 0.1
6.0
— 0.0 0.1 — 0.1
4.5
— — 0.26 — 0.33
6.0
— — 0.26 — 0.33
Iin
6.0
— — ±0.1 — ±1.0 µA
I _CC
6.0
— — 4.0 — 40 µA
Test Conditions
Vin = V_IH or V_IL I_OH = –20 µA
I_OH = –4 mA
I_OH = –5.2 mA
Vin = V_IH or V_IL I_OL = 20 µA
I_OL = 4 mA
I_OL = 5.2 mA
Vin = V_CC or GND
Vin = V_CC or GND, Iout = 0 µA
AC Characteristics (C_L = 50 pF, Input t_r = t_f = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Symbol
Propagation delay t_PLH
time
t _PHL
V_CC (V)
2.0
4.5
6.0
Min Typ Max Min
— — 205 —
— 22 41 —
— — 35 —
Max Unit
255 ns
51
43
Output rise/fall
t _TLH
time
t _THL
2.0
— — 75 — 95 ns
4.5
— 5 15 — 19
6.0
— — 13 — 16
Input capacitance Cin
—
— 5 10 — 10 pF
Test Conditions
Data to ∑ Even or ∑ Odd
3