Datasheet

December 1990 7
Philips Semiconductors Product specification
Hex high-to-low level shifter 74HC4050
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
=t
f
= 6 ns; C
L
= 50 pF
AC WAVEFORMS
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines” .
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
nA to nY
25
9
7
85
17
14
105
21
18
130
26
22
ns 2.0
4.5
6.0
Fig.7
t
THL
/ t
TLH
output transition time 19
7
6
75
15
13
95
19
16
110
22
19
ns 2.0
4.5
6.0
Fig.7
Fig.7 Waveforms showing the input (nA) to output (nY) propagation delays and the output transition times.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.