Hex Inverter - Harman Kardon AVR245 Service Manual

AVR245
Philips Semiconductors

Hex inverter

FEATURES
• Output capability: standard
• I
category: SSI
CC
GENERAL DESCRIPTION
The 74HCU04 is a high-speed Si-gate CMOS device and is pin compatible with low power Schottky TTL (LSTTL).
It is specified in compliance with JEDEC standard no. 7A.
The 74HCU04 is a general purpose hex inverter. Each of the six inverters is a single stage
QUICK REFERENCE DATA
= 25 °C; t
GND = 0 V; T
amb
SYMBOL
t / t
PHL PLH
C
I
C
PD
Note
1. C is used to determine the dynamic power dissipation (P
PD
× V
P = C
D PD
f = input frequency in MHz
i
f = output frequency in MHz
o
C = output load capacitance in pF
L
V = supply voltage in V
CC
∑ (C × V × f
2
L CC
ORDERING INFORMATION
See "74HC/HCT/HCU/HCMOS Logic Package Information"
FUNCTION TABLE
INPUT
nA
L
H
Note
1. H = HIGH voltage level
L = LOW voltage level
= t = 6 ns
r f
PARAMETER
propagation delay nA to nY
input capacitance
power dissipation capacitance per inverter
× f + ∑ (C × V × f
2 2
CC i L CC
) = sum of outputs
o
OUTPUT
nY
H
L
CONDITIONS
C = 15 pF; V
L
note 1
in µW):
D
) where:
O
.
101
Product specification
74HCU04
TYP.
= 5 V 5
CC
3.5
10
harman/kardon
UNIT
ns
pF
pF