参数资料
型号: MC74LCX244MEL
厂商: ON SEMICONDUCTOR
元件分类: 总线收发器
英文描述: LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封装: EIAJ, SO-20
文件页数: 11/15页
文件大小: 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
相关PDF资料
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
相关代理商/技术参数
参数描述
MC74LCX244MELG 功能描述:缓冲器和线路驱动器 2-36.V Octal 3-State Non-Inverting RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel
MC74LCX244MNTWG 功能描述:缓冲器和线路驱动器 LV CMOS OCTAL BUFFER RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel
MC74LCX245DT 功能描述:总线收发器 Low Voltage CMOS RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel
MC74LCX245DTG 功能描述:总线收发器 Low Voltage CMOS Octal TX/RX RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel
MC74LCX245DTR2 功能描述:总线收发器 Low Voltage CMOS RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel