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74F14 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. 74F14
Description  Hex inverter Schmitt trigger
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F14 Datasheet(HTML) 4 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F14
Hex inverter Schmitt trigger
November 26, 1990
4
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS1
LIMITS
UNIT
MIN
TYP2
MAX
VT+
Positive-going threshold
VCC = 5.0V
1.4
1.7
2.0
V
VT–
Negative-going threshold
VCC = 5.0V
0.7
0.9
1.1
V
∆VT
Hysteresis (VT+ – VT–)
VCC = 5.0V
0.4
0.8
V
VOH
High-level output voltage
VCC = MIN, VI = VT–MIN,
±10%VCC
2.5
V
IOH = MAX
±5%VCC
2.7
3.4
V
VOL
Low-level output voltage
VCC = MIN, VI = VT+MAX,
±10%VCC
0.30
0.50
V
IOL = MAX
±5%VCC
0.30
0.50
V
VIK
Input clamp voltage
VCC = MIN, II = IIK
-0.73
-1.2
V
IT+
Input current at positive-going threshold
VCC = 5.0V, VI = VT+
0
µA
IT–
Input current at negative-going threshold
VCC = 5.0V, VI = VT–
–175
µA
II
Input current at maximum input voltage
VCC = MAX, VI = 7.0V
100
µA
IIH
High-level input current
VCC = MAX, VI = 2.7V
20
µA
IIL
Low-level input current
VCC = MAX, VI = 0.5V
-0.6
mA
IOS
Short-circuit output current3
VCC = MAX
-60
-150
mA
ICC
Supply current (total)
ICCH
VCC = MAX
VIN = GND
13
22
mA
ICCL
VCC = MAX
VIN = 4.5V
23
32
mA
NOTES:
1
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2
All typical values are at VCC = 5V, Tamb = 25°C.
3
Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, IOS tests should be performed last.
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
VCC = +5.0V
Tamb = +25°C
CL = 50pF, RL = 500Ω
VCC = +5.0V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500Ω
VCC = +5.0V ± 10%
Tamb = –40°C to +85°C
CL = 50pF, RL = 500Ω
UNIT
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
tPHL
Propagation delay
Dn to Qn
Waveform 1
4.0
3.5
6.5
5.0
8.5
6.5
4.0
3.5
9.5
7.0
3.0
3.5
10.5
9.0
ns


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