HD74AC280 Datasheet, PDF (4/8 Pages) Hitachi Semiconductor – 9-bit Parity Generator/Checker

HD74AC280
Recommended Operating Conditions
Item
Supply voltage
Input and output voltage
Operating temperature
Input rise and fall time
(except Schmitt inputs)
V_IN 30% to 70% V_CC
Symbol
V_CC
V_I, V_O
Ta
tr, tf
Ratings
2 to 6
0 to V_CC
–40 to +85
8
Unit
V
V
°C
ns/V
Condition
V_CC = 3.0V
V_CC = 4.5 V
V_CC = 5.5 V
DC Characteristics
Item
Sym- Vcc
bol (V)
Ta = 25°C
min. typ. max.
Input Voltage
V_IH
3.0
2.1
1.5
—
4.5 3.15 2.25 —
5.5 3.85 2.75 —
V_IL
3.0
—
4.5 —
1.50 0.9
2.25 1.35
5.5 —
2.75 1.65
Output voltage
V_OH
3.0
2.9
2.99 —
4.5 4.4 4.49 —
5.5 5.4 5.49 —
3.0 2.58 —
—
4.5 3.94 —
—
5.5 4.94 —
—
V_OL
3.0
—
4.5 —
0.002 0.1
0.001 0.1
5.5 —
0.001 0.1
3.0 —
—
0.32
4.5 —
—
0.32
5.5 —
—
0.32
Input leakage
current
I_IN
5.5 —
—
±0.1
Dynamic output
I_OLD
5.5
—
—
—
current*
I_OHD
5.5
—
—
—
Quiescent supply I_CC
5.5
—
—
8.0
current
*Maximum test duration 2.0 ms, one output loaded at a time.
Ta = –40 to
+85°C
min. max.
2.1 —
3.15 —
3.85 —
—
0.9
—
1.35
—
1.65
2.9 —
4.4 —
5.4 —
2.48 —
3.80 —
4.80 —
—
0.1
—
0.1
—
0.1
—
0.37
—
0.37
—
0.37
—
±1.0
86
—
–75 —
—
80
Unit
V
V
µA
mA
mA
µA
Condition
V_OUT = 0.1 V or V_CC –0.1 V
V_OUT = 0.1 V or V_CC –0.1 V
V_IN = V_IL or V_IH
I_OUT = –50 µA
V_IN = V_IL or V_IH
V_IN = V_IL or V_IH
I_OUT = 50 µA
I_OH = –12 mA
I_OH = –24 mA
I_OH = –24 mA
V_IN = V_IL or V_IH I_OL = 12 mA
I_OL = 24 mA
I_OL = 24 mA
V_IN = V_CC or GND
V_OLD = 1.1 V
V_OHD = 3.85 V
V_IN = V_CC or ground
AC Characteristics
Ta = +25°C
Ta = –40°C to +85°C
Item
Propagation delay
C_L = 50 pF
C_L = 50 pF
Symbol V_CC (V)*¹ Min Typ Max
Min
Max
t_PLH
3.3
1.0 14.5 17.0 1.0
18.5
ns
5.0
1.0 11.0 13.0 1.0
14.5
Unit
Propagation delay
t_PHL
3.3
5.0
1.0 14.5 17.0 1.0
1.0 11.0 13.0 1.0
18.5
ns
14.5
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Rev.2.00, Jul.16.2004, page 4 of 7