Datasheet
Static Electrical Characteristics (Cont’d): (T
A
= +25°C unless otherwise specified)
Test Conditions
Parameter Symbol V
I
(V) V
O
(V) V
DD
(V) Min Typ Max Unit
Input Low Voltage
NTE4049, NTE4049T
V
IL
− 4.5 5 − − 1 V
− 9.0 10 − − 2 V
− 13.0 15 − − 3 V
NTE4050B, NTE4050BT − 0.5 5 − − 1.5 V
− 1.0 10 − − 3.0 V
− 1.5 15 − − 4.0 V
Output Drive Current I
OH
0 to 5 2.5 5 −6.0 −6.4 − mA
0 to 5 4.6 5 −3.2 −1.6 − mA
0 to 10 9.5 10 −0.8 −3.6 − mA
0 to 15 13.5 15 −1.8 −12.0 − mA
Output Sink Current I
OL
0 to 5 0.4 4.5 2.6 5.2 − mA
0 to 5 0.4 5 3.2 6.4 − mA
0 to 10 0.5 10 8.0 16.0 − mA
0 to 15 1.5 15 24.0 48.0 − mA
Input Leakage Current I
IH
, I
IL
0 to 18 Any Input 18 − ±10
−5
±0.1 μA
Input Capacitance
NTE4049, NTE4049T
C
I
Any Input −
− 15 22.5 pF
NTE4050B, NTE4050BT − 5 7.5 pF
Note 3. The Noise Margin (NTE4050B/BT Only) for both “1” and “0” level is:1V min. with V
DD
=5V
2V min. with V
DD
=10V
2.5V min. with V
DD
=15V
Dynamic Electrical Characteristics: (T
A
= +25°C, C
L
= 50pF, R
L
= 200kΩ, typical temperature
coefficient for all V
DD
values is 0.3%/°C, all input rise and fall
times = 20ns unless otherwise specified)
Parameter Symbol
Test Conditions
Min Typ Max Unit
V
I
(V) V
DD
(V)
Propagation Delay Time
NTE4049, NTE4049T
t
PLH
5 5 − 60 120 ns
10 10 − 32 65 ns
10 5 − 45 90 ns
15 15 − 25 590 ns
15 5 − 45 90 ns
NTE4050B, NTE4050BT 5 5 − 70 140 ns
10 10 − 40 80 ns
10 5 − 45 90 ns
15 15 − 30 60 ns
15 5 − 40 80 ns





