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SN74AHCT14PWG4 데이터시트(PDF) 5 Page - Texas Instruments

부품명 SN74AHCT14PWG4
상세설명  SNx4AHCT14 Hex Schmitt-Trigger Inverters
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SN74AHCT14PWG4 데이터시트(HTML) 5 Page - Texas Instruments

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SN54AHCT14, SN74AHCT14
www.ti.com
SCLS246Q – OCTOBER 1995 – REVISED JULY 2014
7.4 Thermal Information
SN74AHCT595
THERMAL METRIC(1)
D
DGV
DB
N
NS
PW
RGY
UNIT
14 PINS
Junction-to-ambient thermal
RθJA
101.2
138.7
113.1
61.1
98.6
129.9
63.7
resistance
Junction-to-case (top) thermal
RθJC(top)
62.3
60.6
65.6
48.0
54.1
58.3
77.6
resistance
Junction-to-board thermal
RθJB
55.5
71.8
60.4
41.0
57.4
71.8
39.7
resistance
°C/W
Junction-to-top characterization
ψJT
25.5
10.6
25.5
32.4
19.6
10.2
5.7
parameter
Junction-to-board characterization
ψJB
55.2
71.1
59.9
40.9
57.0
71.2
39.9
parameter
Junction-to-case (bottom) thermal
RθJC(bot)
n/a
n/a
n/a
n/a
n/a
n/a
19.9
resistance
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, (SPRA953).
7.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
TA = 25°C
SN54AHCT14
SN74AHCT14
PARAMETER
TEST CONDITIONS
VCC
UNIT
MIN
TYP
MAX
MIN
MAX
MIN
MAX
VT+
4.5 V
0.9
1.9
0.9
1.9
0.9
1.9
Positive-going
V
input threshold
5.5 V
1
2.1
1
2.1
1
2.1
voltage
VT–
4.5 V
0.5
1.5
0.5
1.5
0.5
1.5
Negative-going
V
input threshold
5.5 V
0.6
1.7
0.6
1.7
0.6
1.7
voltage
ΔVT
4.5 V
0.4
1.4
0.4
1.4
0.4
1.4
Hysteresis
V
5.5 V
0.4
1.5
0.4
1.5
0.4
1.5
( VT+ – VT– )
IOH = –50 µA
4.4
4.5
4.4
4.4
VOH
4.5 V
V
IOH = –8 mA
3.94
3.8
3.8
IOL = 50 µA
0.1
0.1
0.1
VOL
4.5 V
V
IOL = 8 mA
0.36
0.44
0.44
0 V to
II
VI = 5.5 V or GND
±0.1
±1(1)
±1
µA
5.5 V
ICC
VI = VCC or GND
IO = 0
5.5 V
2
20
20
µA
One input at 3.4 V,
ΔICC
(2)
5.5 V
1.35
1.5
1.5
mA
Other inputs at VCC or GND
Ci
VI = VCC or GND
5 V
2
10
10
pF
(1)
On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
(2)
This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC.
7.6 Switching Characteristics
over operating free-air temperature range (unless otherwise noted)
FROM
TO
TA = 25°C
SN54AHCT14
SN74AHCT14
LOAD
PARAMETER
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
4(1)
7(1)
1(1)
8(1)
1
8
A
Y
CL = 15 pF
ns
tPHL
4(1)
7(1)
1(1)
8(1)
1
8
tPLH
5.5
8
1
9
1
9
A
Y
CL = 50 pF
ns
tPHL
5.5
8
1
9
1
9
(1)
On products compliant to MIL-PRF-38535, this parameter is not production tested.
Copyright © 1995–2014, Texas Instruments Incorporated
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