參數(shù)資料
型號: MC74LCX244MEL
廠商: ON SEMICONDUCTOR
元件分類: 總線收發(fā)器
英文描述: LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: EIAJ, SO-20
文件頁數(shù): 11/15頁
文件大?。?/td> 281K
代理商: MC74LCX244MEL
MC74LCX244
http://onsemi.com
5
DYNAMIC SWITCHING CHARACTERISTICS
TA = +25°C
Symbol
Characteristic
Condition
Min
Typ
Max
Unit
VOLP
Dynamic LOW Peak Voltage (Note 4)
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 4)
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
4. 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
Unit
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
1.5 V
VCC/2
Vmo
1.5 V
VCC/2
VHZ
VOL + 0.3 V
VOL + 0.15 V
VLZ
VOH 0.3 V
VOH 015 V
Vmi
相關PDF資料
PDF描述
MC74LCX244MNTWG LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, QCC20
MC74LCX245MR2 LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
MC74LCX245SD LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
MC74LCX245SDR2 LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
MC74LCX258DTEL LVC/LCX/Z SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16
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