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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： | 10/15页 |
| 文件大小： | 281K |
| 代理商： | MC74LCX244MEL |
MC74LCX244
http://onsemi.com
4
DC ELECTRICAL CHARACTERISTICS
TA = 40°C to +85°C
Symbol
Characteristic
Condition
Min
Max
Unit
VIH
HIGH Level Input Voltage (Note 2)
2.3 V
≤ VCC ≤ 2.7 V
1.7
V
2.7 V
≤ VCC ≤ 3.6 V
2.0
VIL
LOW Level Input Voltage (Note 2)
2.3 V
≤ VCC ≤ 2.7 V
0.7
V
2.7 V
≤ VCC ≤ 3.6 V
0.8
VOH
HIGH Level Output Voltage
2.3 V
≤ VCC ≤ 3.6 V; IOL = 100 mA
VCC 0.2
V
VCC = 2.3 V; IOH = 8 mA
1.8
VCC = 2.7 V; IOH = 12 mA
2.2
VCC = 3.0 V; IOH = 18 mA
2.4
VCC = 3.0 V; IOH = 24 mA
2.2
VOL
LOW Level Output Voltage
2.3 V
≤ VCC ≤ 3.6 V; IOL = 100 mA
0.2
V
VCC = 2.3 V; IOL= 8 mA
0.6
VCC = 2.7 V; IOL= 12 mA
0.4
VCC = 3.0 V; IOL = 16 mA
0.4
VCC = 3.0 V; IOL = 24 mA
0.55
II
Input Leakage Current
2.3 V
≤ VCC ≤ 3.6 V; 0 V ≤ VI ≤ 5.5 V
±5
mA
IOZ
3State Output Current
2.3
≤ VCC ≤ 3.6 V; 0 V ≤ VO ≤ 5.5 V;
VI = VIH or V IL
±5
mA
IOFF
PowerOff Leakage Current
VCC = 0 V; VI or VO = 5.5 V
10
mA
ICC
Quiescent Supply Current
2.3
≤ VCC ≤ 3.6 V; VI = GND or VCC
10
mA
2.3
≤ VCC ≤ 3.6 V; 3.6 ≤ VI or VO ≤ 5.5 V
±10
DICC
Increase in ICC per Input
2.3
≤ VCC ≤ 3.6 V; VIH = VCC 0.6 V
500
mA
2. These values of VI are used to test DC electrical characteristics only.
AC CHARACTERISTICS (tR = tF = 2.5 ns; RL = 500 W)
Limits
TA = 40°C to +85°C
VCC = 3.0 V to 3.6 V
VCC = 2.7 V
VCC = 2.5 V +0.2
CL = 50 pF
CL = 30 pF
Symbol
Parameter
Waveform
Min
Max
Min
Max
Min
Max
Unit
tPLH
tPHL
Propagation Delay
Input to Output
1
1.5
6.5
1.5
7.5
1.5
7.8
ns
tPZH
tPZL
Output Enable Time to
High and Low Level
2
1.5
8.0
1.5
9.0
1.5
10
ns
tPHZ
tPLZ
Output Disable Time From
High and Low Level
2
1.5
7.0
1.5
8.0
1.5
8.4
ns
tOSHL
tOSLH
OutputtoOutput Skew
(Note 3)
1.0
ns
3. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.
The specification applies to any outputs switching in the same direction, either HIGHtoLOW (tOSHL) or LOWtoHIGH (tOSLH); parameter
guaranteed by design.
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