HD74HC221
Recommended Operating Conditions
Item
Supply voltage
Input / Output voltage
Operating temperature
Input rise / fall time
*1
Symbol
V
CC
V
IN
, V
OUT
Ta
t
r
, t
f
Ratings
2 to 6
0 to V
CC
–40 to 85
0 to 1000
0 to 500
0 to 400
Unit
V
V
°C
ns
Conditions
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Electrical Characteristics
Item
Input voltage
Symbol V
CC
(V)
V
IH
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
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
—
—
130
—
—
130
Ta = –40 to+85°C
Unit
Test Conditions
Min
Max
1.5
—
V
3.15
—
4.2
—
—
0.5
V
—
1.35
—
1.8
1.9
—
V Vin = V
IH
or V
IL
I
OH
= –20
µA
4.4
—
5.9
—
4.13
—
I
OH
= –4 mA
5.63
—
I
OH
= –5.2 mA
—
0.1
V Vin = V
IH
or V
IL
I
OL
= 20
µA
—
0.1
—
0.1
—
0.33
I
OL
= 4 mA
—
0.33
I
OL
= 5.2 mA
—
±1.0
µA
Vin = V
CC
or GND
—
220
µA
Vin = V
CC
or
Iout = 0
µA
GND
—
220
Rext/Cext =
0.5V
CC
V
IL
Output voltage
V
OH
V
OL
Input current
Quiescent supply
current
Iin
I
CC
Rev.2.00 Jan 31, 2006 page 3 of 7
RENESAS [ RENESAS TECHNOLOGY CORP ]
