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| 74HC4049 Datasheet, PDF (7/7 Pages) NXP Semiconductors – Hex inverting high-to-low level shifter | |||
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Philips Semiconductors
Hex inverting high-to-low level shifter
Product speciï¬cation
74HC4049
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL
PARAMETER
min.
+25
typ.
max.
74HC
â40 to +85
min. max.
â40 to +125
min. max.
UNIT
VCC
(V)
WAVEFORMS
tPHL/ tPLH
tTHL/ tTLH
propagation delay
nA to nY
output transition
time
28 85
10 17
8 14
19 75
7 15
6 13
105
130 ns 2.0 Fig.7
21
26
4.5
18
22
6.0
95
110 ns 2.0 Fig.7
19
22
4.5
16
19
6.0
AC WAVEFORMS
(1) HC: VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.7 Waveforms showing the input (nA) to output (nY) propagation delays and the output transition times.
PACKAGE OUTLINES
See â74HC/HCT/HCU/HCMOS Logic Package Outlinesâ.
December 1990
7
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