74hcu04pw NXP Semiconductors, 74hcu04pw Datasheet - Page 6

• Manufacturer Part Number: 74hcu04pw
• Description: 74hcu04 Hex Inverter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
Some applications for the “HCU04” are:
September 1993
Fig.10 Test set-up for measuring forward
Z
V
3 k
Typical unity gain bandwidth product is 5 MHz.
C
A
A
Linear amplifier (see Fig.12)
In crystal oscillator designs (see Fig.13)
Astable multivibrator (see Fig.14)
Hex inverter
L
O max (p-p)
OL
u
I
A
(see Fig.15)
u
= open loop amplification
= voltage amplification
10 k ; A
=
R1, R2
–
Fig.12 HCU04 used as a linear amplifier.
-------------------------------------------- -;
1
transconductance g
(see also graph Fig.11).
+
V
R1
------- - 1
R2
OL
CC
A
= 20 (typ.)
1 M
OL
2 V centered at
+
A
OL
1
2
fs
V
CC
= di
o
/dv
i
at v
o
is constant
6
Fig.11 Typical forward transconductance g
function of the supply voltage V
T
amb
= 25 C.
Product specification
74HCU04
CC
at
fs
as a