Harman Kardon AVR 254, Service Manual

Page: 147 / 189

M54HCU04
M74HCU04
January 1993
HEX INVERTER (SINGLE STAGE)
B1R
(Plastic Package)
ORDER CODES :
M54HCU04F1R M74HCU04M1R
M74HCU04B1R M74HCU04C1R
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
PIN CONNECTIONS (top view)
NC =
No Internal
Connection
INPUT AND OUTPUT EQUIVALENT CIRCUIT
.
HIGH SPEED
t
PD
= 5 ns (TYP.) AT V
CC
= 5 V
.
LOW POWER DISSIPATION
I
CC
= 1
µ
A (MAX.) AT T
A
= 25
°
C
.
HIGH NOISE IMMUNITY
V
NIH
= V
NIL
= 10 % V
CC
(MIN.)
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE

I
OH

= I
OL
= 4 mA (MIN.)
.
BALANCED PROPAGATION DELAYS
t
PLH
= t
PHL
.
WIDE OPERATING VOLTAGE RANGE
V
CC
(OPR) = 2 V TO 6 V
.
PIN AND FUNCTION COMPATIBLE WITH
54/74LS04
The M54/74HCU04 is a high speed CMOS HEX IN-
VERTER (SINGLE STAGE) fabricated in silicon
gate C
2
MOS technology. It has the same high
speed performance of LSTTL combined with true
CMOS low power consumption.
As the intrnal circuit is composed of a single stage
inverter, it can be used in crystal oscillator.
All inputs are equipped with circuits against static
discharge and transient excess voltage.
DESCRIPTION
1/9
147
AVR254
harman/kardon