CD74HCT4515E Datasheet, PDF (4/10 Pages) Texas Instruments – 4-LINE TO 16-LINE DECODERS/DEMULTIPLEXERS

CD74HCT4514, CD74HCT4515
4ĆLINE TO 16ĆLINE DECODERS/DEMULTIPLEXERS
WITH INPUT LATCHES
SCHS314D − MAY 2002 − REVISED SEPTEMBER 2004
HCT INPUT LOADING TABLE
INPUT UNIT LOAD
A0−A3
0.15
LE
0.85
E
0.3
Unit load is ∆ICC limit
specified in electrical
characteristics table (e.g.,
360 µA max at 25°C).
timing requirements over recommended operating free-air temperature range, V_CC = 4.5 V,
C_L = 15 pF (unless otherwise noted) (see Figure 1)
TA = 25°C
MIN MAX
TA = −55°C
TO 125°C
MIN MAX
TA = −40°C
TO 85°C
MIN MAX
UNIT
tw Pulse duration, LE high
tsu Setup time, data before LE↓
th
Hold time, data after LE↓
30
45
38
ns
20
30
25
ns
5
5
5
ns
switching characteristics over recommended operating free-air temperature range, V_CC = 4.5 V
(unless otherwise noted) (see Figure 1)
PARAMETER
tpd
tt
FROM
(INPUT)
A0−A3
LE
E
TO
(OUTPUT)
Y
Y
LOAD
CAPACITANCE
CL = 50 pF
CL = 50 pF
TA = 25°C
MIN MAX
55
50
40
15
TA = −55°C
TO 125°C
MIN MAX
83
75
60
22
TA = −40°C
TO 85°C
MIN MAX
69
63
50
19
UNIT
ns
ns
operating characteristics, V_CC = 5 V, T_A = 25°C
PARAMETER
Cpd Power dissipation capacitance
TYP UNIT
75 pF
4
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