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SN74HCT14DRG3 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. SN74HCT14DRG3
Description  HEX SCHMITT-TRIGGER INVERTERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

SN74HCT14DRG3 Datasheet(HTML) 3 Page - Texas Instruments

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SN54HCT14, SN74HCT14
HEX SCHMITT-TRIGGER INVERTERS
SCLS225E – JULY 1995 – REVISED JULY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54HCT14
SN74HCT14
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VT+
Positive going
4.5 V
1.2
1.5
1.9
1.2
1.9
1.2
1.9
V
Positive-going
threshold
5.5 V
1.4
1.7
2.1
1.4
2.1
1.4
2.1
V
VT–
Negative going
4.5 V
0.5
0.9
1.2
0.5
1.2
0.5
1.2
V
Negative-going
threshold
5.5 V
0.6
1
1.4
0.6
1.4
0.6
1.4
V
∆VT
Hysteresis
4.5 V
0.4
0.6
1.4
0.4
1.4
0.4
1.4
V
Hysteresis
(VT+ – VT–)
5.5 V
0.4
0.65
1.5
0.4
1.5
0.4
1.5
V
VOH
IOH = –20 µA
4.5 V
4.4
4.49
4.4
4.4
V
VOH
IOH = –4 mA
4.5 V
3.98
4.3
3.7
3.84
V
VOL
IOL = 20 µA
4.5 V
0.001
0.1
0.1
0.1
V
VOL
IOL = 4 mA
4.5 V
0.17
0.26
0.4
0.33
V
II
VI = VCC or GND
5.5 V
±0.1
±1
±1
µA
ICC
VI = VCC or GND,
IO = 0
5.5 V
2
40
20
µA
∆ICC†
One input at 0.5 V or 2.4 V,
Other inputs at GND or VCC
5.5 V
0.2
2.4
3
2.9
mA
Ci
VI = VCC or GND
5 V
3
10
10
10
pF
† This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC.
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HCT14
SN74HCT14
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
t d
A
Y
4.5 V
20
32
48
40
ns
tpd
A
Y
5.5 V
18
30
45
38
ns
tt
Y
4.5 V
7
15
22
19
ns
tt
Y
5.5 V
6
14
20
17
ns
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
10
pF


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