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부품번호 | 74AHCT1G14 기능 |
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기능 | Inverting Schmitt trigger | ||
제조업체 | NXP Semiconductors | ||
로고 | |||
전체 16 페이지수
74AHC1G14; 74AHCT1G14
Inverting Schmitt trigger
Rev. 7 — 18 November 2014
Product data sheet
1. General description
74AHC1G14 and 74AHCT1G14 are high-speed Si-gate CMOS devices. They provide an
inverting buffer function with Schmitt trigger action. These devices are capable of
transforming slowly changing input signals into sharply defined, jitter-free output signals.
The AHC device has CMOS input switching levels and supply voltage range 2 V to 5.5 V.
The AHCT device has TTL input switching levels and supply voltage range 4.5 V to 5.5 V.
2. Features and benefits
Symmetrical output impedance
High noise immunity
ESD protection:
HBM JESD22-A114E: exceeds 2000 V
MM JESD22-A115-A: exceeds 200 V
CDM JESD22-C101C: exceeds 1000 V
Low power dissipation
Balanced propagation delays
SOT353-1 and SOT753 package options
Specified from 40 C to +125 C
3. Applications
Wave and pulse shapers
Astable multivibrators
Monostable multivibrators
4. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range Name
74AHC1G14GW 40 C to +125 C TSSOP5
74AHCT1G14GW
74AHC1G14GV 40 C to +125 C SC-74A
74AHCT1G14GV
Description
plastic thin shrink small outline package; 5 leads;
body width 1.25 mm
plastic surface-mounted package; 5 leads
Version
SOT353-1
SOT753
NXP Semiconductors
74AHC1G14; 74AHCT1G14
Inverting Schmitt trigger
11. Static characteristics
Table 7. Static characteristics
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions
For type 74AHC1G14
VOH HIGH-level VI = VT+ or VT
output voltage IO = 50 A; VCC = 2.0 V
IO = 50 A; VCC = 3.0 V
IO = 50 A; VCC = 4.5 V
IO = 4.0 mA; VCC = 3.0 V
IO = 8.0 mA; VCC = 4.5 V
VOL LOW-level VI = VT+ or VT
output voltage IO = 50 A; VCC = 2.0 V
IO = 50 A; VCC = 3.0 V
IO = 50 A; VCC = 4.5 V
IO = 4.0 mA; VCC = 3.0 V
IO = 8.0 mA; VCC = 4.5 V
II input leakage VI = 5.5 V or GND;
current
VCC = 0 V to 5.5 V
ICC supply current VI = VCC or GND; IO = 0 A;
VCC = 5.5 V
CI input
capacitance
For type 74AHCT1G14
VOH
VOL
II
ICC
ICC
CI
HIGH-level VI = VT+ or VT; VCC = 4.5 V
output voltage IO = 50 A
IO = 8.0 mA
LOW-level VI = VT+ or VT; VCC = 4.5 V
output voltage IO = 50 A
IO = 8.0 mA
input leakage VI = 5.5 V or GND;
current
VCC = 0 V to 5.5 V
supply current VI = VCC or GND; IO = 0 A;
VCC = 5.5 V
additional
per input pin; VI = 3.4 V;
supply current other inputs at VCC or GND;
IO = 0 A; VCC = 5.5 V
input
capacitance
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min
Max
1.9 2.0 -
1.9
-
1.9
-V
2.9 3.0 -
2.9
-
2.9
-V
4.4 4.5 -
4.4
-
4.4
-V
2.58 -
- 2.48
-
2.40
-V
3.94 - - 3.8 - 3.70 - V
- 0 0.1 -
0.1
-
0.1 V
- 0 0.1 -
0.1
-
0.1 V
- 0 0.1 -
0.1
-
0.1 V
- - 0.36 - 0.44 -
0.55 V
- - 0.36 - 0.44 -
0.55 V
- - 0.1 -
1.0
-
2.0 A
- - 1.0 -
10
-
40 A
- 1.5 10
-
10
-
10 pF
4.4 4.5 -
4.4
-
4.4
-V
3.94 - - 3.8 - 3.70 - V
- 0 0.1 -
0.1
-
- - 0.36 - 0.44 -
- - 0.1 -
1.0
-
- - 1.0 -
10
-
- - 1.35 - 1.5 -
0.1 V
0.55 V
2.0 A
40 A
1.5 mA
- 1.5 10
-
10
-
10 pF
74AHC_AHCT1G14
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 18 November 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
4 of 16
4페이지 NXP Semiconductors
13. Waveforms
74AHC1G14; 74AHCT1G14
Inverting Schmitt trigger
$LQSXW
<RXWSXW
90
W3+/
90
The test data is given in Table 10
W3/+
PQD
Fig 5. The input (A) to output (Y) propagation delays
38/6(
*(1(5$725
9,
9&&
'87
57
92
&/
PQD
Fig 6.
Test data is given in Table 9.
Definitions for test circuit:
CL = Load capacitance.
RT = Termination resistance should be equal to output
impedance Zo of the pulse generator.
Test circuit for measuring switching times
Table 10. Test data
Type number
74AHC1G14
74AHCT1G14
Input
VI
GND to VCC
GND to 3.0 V
VM
0.5 VCC
1.5 V
13.1 Transfer characteristic waveforms
Output
VM
0.5 VCC
0.5 VCC
92
97
9,
97
9+
9+
97 97
Fig 7. Transfer characteristic
9,
PQD
92
PQD
Fig 8. The definitions of VT+, VT and VH
74AHC_AHCT1G14
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 18 November 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
7 of 16
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |