AHC1G14 Datasheet PDF - Philips

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AHC1G14
Philips

Part Number AHC1G14
Description 74AHC1G14
Page 20 Pages


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INTEGRATED CIRCUITS
DATA SHEET
74AHC1G14; 74AHCT1G14
Inverting Schmitt trigger
Product specification
Supersedes data of 2002 Feb 18
2002 Jun 06



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Philips Semiconductors
Inverting Schmitt trigger
Product specification
74AHC1G14; 74AHCT1G14
FEATURES
Symmetrical output impedance
High noise immunity
ESD protection:
– HBM EIA/JESD22-A114-A exceeds 2000 V
– MM EIA/JESD22-A115-A exceeds 200 V
– CDM EIA/JESD22-C101 exceeds 1000 V.
Low power dissipation
Balanced propagation delays
Very small 5 pin package
Output capability: standard
Specified from 40 to +125 °C.
APPLICATIONS
Wave and pulse shapers
Astable multivibrators
Monostable multivibrators.
DESCRIPTION
The 74AHC1G/AHCT1G14 is a high-speed Si-gate CMOS
device.
The 74AHC1G/AHCT1G14 provides the inverting buffer
function with Schmitt-trigger action. These devices are
capable of transforming slowly changing input signals into
sharply defined, jitter-free output signals.
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25 °C; tr = tf 3.0 ns.
SYMBOL
PARAMETER
CONDITIONS
tPHL/tPLH
CI
CPD
propagation delay A to Y
input capacitance
power dissipation capacitance
CL = 15 pF; VCC = 5 V
CL = 15 pF; f = 1 MHz;
notes 1 and 2
Notes
1. CPD is used to determine the dynamic power dissipation (PD in µW).
PD = CPD × VCC2 × fi + (CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in Volts.
2. The condition is VI = GND to VCC.
TYPICAL
AHC1G AHCT1G
UNIT
3.2 4.1 ns
1.5 1.5 pF
12 13 pF
FUNCTION TABLE
See note 1.
INPUT
A
L
H
Note
1. H = HIGH voltage level;
L = LOW voltage level.
OUTPUT
Y
H
L
2002 Jun 06
2



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Philips Semiconductors
Inverting Schmitt trigger
Product specification
74AHC1G14; 74AHCT1G14
ORDERING INFORMATION
TYPE NUMBER
74AHC1G14GW
74AHCT1G14GW
74AHC1G14GV
74AHCT1G14GV
TEMPERATURE
RANGE
40 to +125 °C
40 to +125 °C
40 to +125 °C
40 to +125 °C
PINS
5
5
5
5
PACKAGES
PACKAGE MATERIAL
SC-88A
SC-88A
SC-74A
SC-74A
plastic
plastic
plastic
plastic
CODE
SOT353
SOT353
SOT753
SOT753
MARKING
AF
CF
A14
C14
PINNING
PIN
1
2
3
4
5
SYMBOL
n.c.
A
GND
Y
VCC
not connected
data input A
ground (0 V)
data output Y
supply voltage
DESCRIPTION
handbook, halfpage
n.c 1
A2
GND 3
5 VCC
14
4Y
MNA022
Fig.1 Pin configuration.
handbook, halfpage
2
A
Y
4
MNA023
Fig.2 Logic symbol.
handbook, halfpage
2
MNA024
4
Fig.3 IEC logic symbol.
2002 Jun 06
handbook, halfpagAe
Y
MNA025
Fig.4 Logic diagram.
3



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Philips Semiconductors
Inverting Schmitt trigger
Product specification
74AHC1G14; 74AHCT1G14
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
VCC
VI
VO
Tamb
supply voltage
input voltage
output voltage
operating ambient temperature
CONDITIONS
see DC and AC
characteristics per
device
74AHC1G
74AHCT1G
UNIT
MIN. TYP. MAX. MIN. TYP. MAX.
2.0 5.0 5.5 4.5 5.0 5.5 V
0 5.5 0 5.5 V
0 VCC 0 VCC V
40 +25 +125 40 +25 +125 °C
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134); voltages are referenced to GND (ground = 0 V).
SYMBOL
PARAMETER
VCC supply voltage
VI input voltage
IIK input diode current
IOK output diode current
IO output source or sink current
ICC VCC or GND current
Tstg storage temperature
PD power dissipation per package
CONDITIONS
VI < 0.5 V
VO < 0.5 V or VO > VCC + 0.5 V; note 1
0.5 V < VO < VCC + 0.5 V
for temperature range from 40 to +125 °C
MIN. MAX. UNIT
0.5 +7.0 V
0.5 +7.0 V
− −20 mA
− ±20 mA
− ±25 mA
− ±75 mA
65 +150 °C
250 mW
Note
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2002 Jun 06
4



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