TA = +25°C Symb" />
參數(shù)資料
型號(hào): MC74LCX244DWR2
廠商: ON Semiconductor
文件頁(yè)數(shù): 5/9頁(yè)
文件大?。?/td> 0K
描述: IC BUFF/DVR TRI-ST DUAL 20SOIC
標(biāo)準(zhǔn)包裝: 1
系列: 74LCX
邏輯類型: 緩沖器/線路驅(qū)動(dòng)器,非反相
元件數(shù): 2
每個(gè)元件的位元數(shù): 4
輸出電流高,低: 24mA,24mA
電源電壓: 2 V ~ 3.6 V
工作溫度: -55°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC
包裝: 剪切帶 (CT)
其它名稱: MC74LCX244DWROSCT
MC74LCX244
http://onsemi.com
5
DYNAMIC SWITCHING CHARACTERISTICS
TA = +25°C
Symbol
Characteristic
Condition
Min
Typ
Max
Units
VOLP
Dynamic LOW Peak Voltage (Note 5)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
0.8
0.6
V
VOLV
Dynamic LOW Valley Voltage (Note 5)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
0.8
0.6
V
5. Number of outputs defined as “n”. Measured with “n1” outputs switching from HIGHtoLOW or LOWtoHIGH. The remaining output is
measured in the LOW state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Units
CIN
Input Capacitance
VCC = 3.3 V, VI = 0 V or VCC
7
pF
COUT
Output Capacitance
VCC = 3.3 V, VI = 0 V or VCC
8
pF
CPD
Power Dissipation Capacitance
10 MHz, VCC = 3.3 V, VI = 0 V or VCC
25
pF
VCC
0 V
VOH
VOL
1Dn, 2Dn
1On, 2On
tPHL
tPLH
VCC
0 V
≈ 0 V
1OE, 2OE
1On, 2On
tPZH
≈ 3.0 V
tPHZ
tPZL
tPLZ
1On, 2On
Vmo
Vmi
Vmo
Figure 3. AC Waveforms
Vmi
VCC
VOH - 0.3 V
VOL + 0.3 V
GND
WAVEFORM 1 PROPAGATION DELAYS
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
WAVEFORM 2 OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
Symbol
VCC
3.3 V
± 0.3 V
2.7 V
2.5 V
± 0.2 V
Vmi
Vmo
VHZ
VLZ
Vmi
1.5 V
VOL + 0.3 V
VOH 0.3 V
1.5 V
VOL + 0.3 V
VOH 0.3 V
VCC/2
VOL + 0.15 V
VOH 015 V
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