參數(shù)資料
型號(hào): 74HCT21N
英文描述: IC HIGH SPEED CMOS LOGIK N/DIP14
中文描述: 集成電路高速CMOS邏輯N/DIP14
文件頁數(shù): 6/16頁
文件大小: 83K
代理商: 74HCT21N
2003 May 14
6
Philips Semiconductors
Product specification
Dual 2-input NOR gate
74HC2G02; 74HCT2G02
DC CHARACTERISTICS
Type 74HC2G02
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
SYMBOL
PARAMETER
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
OTHER
V
CC
(V)
T
amb
=
40 to +85
°
C;
note 1
V
IH
HIGH-level input voltage
2.0
4.5
6.0
2.0
4.5
6.0
1.5
3.15
4.2
1.2
2.4
3.2
0.8
2.1
2.8
0.5
1.35
1.8
V
V
V
V
V
V
V
IL
LOW-level input voltage
V
OH
HIGH-level output voltage
V
I
= V
IH
or V
IL
I
O
=
20
μ
A
I
O
=
20
μ
A
I
O
=
20
μ
A
I
O
=
4.0 mA
I
O
=
5.2 mA
V
I
= V
IH
or V
IL
I
O
= 20
μ
A
I
O
= 20
μ
A
I
O
= 20
μ
A
I
O
= 4.0 mA
I
O
= 5.2 mA
V
I
= V
CC
or GND
V
I
= V
CC
or GND; I
O
= 0 6.0
2.0
4.5
6.0
4.5
6.0
1.9
4.4
5.9
4.13
5.63
2.0
4.5
6.0
4.32
5.81
V
V
V
V
V
V
OL
LOW-level output voltage
2.0
4.5
6.0
4.5
6.0
6.0
0
0
0
0.15
0.16
0.1
0.1
0.1
0.33
0.33
±
1.0
10
V
V
V
V
V
μ
A
μ
A
I
LI
I
CC
input leakage current
quiescent supply current
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