參數(shù)資料
型號(hào): 74AHCT1G14GV,125
廠商: NXP Semiconductors
文件頁數(shù): 12/15頁
文件大?。?/td> 0K
描述: IC INV SCHMITT TRIG SC-74A
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 1
系列: 74AHCT
邏輯類型: 逆變器,緩沖器
電路數(shù): 1
輸入數(shù): 1
特點(diǎn): 施密特觸發(fā)器
電源電壓: 4.5 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: 0.5 V ~ 0.6 V
邏輯電平 - 高: 2V
額定電壓和最大 CL 時(shí)的最大傳播延遲: 8.5ns @ 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: 標(biāo)準(zhǔn)包裝
其它名稱: 568-4544-6
74AHC_AHCT1G14_6
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 06 — 18 May 2009
6 of 15
NXP Semiconductors
74AHC1G14; 74AHCT1G14
Inverting Schmitt trigger
12. Dynamic characteristics
[1]
tpd is the same as tPLH and tPHL.
[2]
Typical values are measured at VCC = 3.3 V.
[3]
Typical values are measured at VCC = 5.0 V.
[4]
CPD is used to determine the dynamic power dissipation PD (W).
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.
Table 9.
Dynamic characteristics
GND = 0 V; tr = tf ≤ 3.0 ns. For waveform see Figure 5. For test circuit see Figure 6.
Symbol Parameter
Conditions
25
°C
40 °C to +85 °C 40 °C to +125 °C Unit
Min
Typ
Max
Min
Max
Min
Max
For type 74AHC1G14
tpd
propagation
delay
A to Y;
VCC = 3.0 V to 3.6 V
CL = 15 pF
-
4.2
12.8
1.0
15.0
1.0
16.5
ns
CL = 50 pF
-
6.0
16.3
1.0
18.5
1.0
20.5
ns
VCC = 4.5 V to 5.5 V
CL = 15 pF
-
3.2
8.6
1.0
10.0
1.0
11.0
ns
CL = 50 pF
-
4.6
10.6
1.0
12.0
1.0
13.5
ns
CPD
power
dissipation
capacitance
per buffer;
CL =50pF;f=1 MHz;
VI = GND to VCC
-12-
-
pF
For type 74AHCT1G14
tpd
propagation
delay
A to Y;
VCC = 4.5 V to 5.5 V
CL = 15 pF
-
4.1
7.0
1.0
8.0
1.0
9.0
ns
CL = 50 pF
-
5.9
8.5
1.0
10.0
1.0
11.0
ns
CPD
power
dissipation
capacitance
per buffer;
VI = GND to VCC
-13-
-
pF
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