參數(shù)資料
型號: 74AHC1G14GV,125
廠商: NXP Semiconductors
文件頁數(shù): 15/15頁
文件大?。?/td> 0K
描述: IC SCHMITT-TRG INV GATE SOT-753
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 3,000
系列: 74AHC
邏輯類型: 逆變器,緩沖器
電路數(shù): 1
輸入數(shù): 1
特點: 施密特觸發(fā)器
電源電壓: 2 V ~ 5.5 V
電流 - 靜態(tài)(最大值): 1µA
輸出電流高,低: 8mA,8mA
邏輯電平 - 低: 0.9 V ~ 1.65 V
邏輯電平 - 高: 2.2 V ~ 3.85 V
額定電壓和最大 CL 時的最大傳播延遲: 10.6ns @ 4.5V ~ 5.5V,50pF
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 5-TSOP
封裝/外殼: SC-74A,SOT-753
包裝: 帶卷 (TR)
74AHC_AHCT1G14_6
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 06 — 18 May 2009
9 of 15
NXP Semiconductors
74AHC1G14; 74AHCT1G14
Inverting Schmitt trigger
14. Application information
The slow input rise and fall times cause additional power dissipation, which can be
calculated using the following formula:
Padd =fi × (tr ×ICC(AV) +tf ×ICC(AV)) × VCC where:
Padd = additional power dissipation (W);
fi = input frequency (MHz);
tr = input rise time (ns); 10 % to 90 %;
tf = input fall time (ns); 90 % to 10 %;
I
CC(AV) = average additional supply current (A).
Average additional ICC differs with positive or negative input transitions, as shown in
For 74AHC1G14 and 74AHCT1G14 used in relaxation oscillator circuit, see Figure 16.
Note to the application information:
1. All values given are typical unless otherwise specied.
Fig 12. Typical 74AHCT1G14 transfer characteristics;
VCC = 4.5 V
Fig 13. Typical 74AHCT1G14 transfer characteristics;
VCC = 5.5 V
05
VI (V)
ICC
(mA)
5
0
1
mna404
2
3
4
1234
02
6
8
0
2
4
6
mna405
4
VI (V)
ICC
(mA)
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