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参数资料
| 型号： | 74LCX2244WMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 6/11页 |
| 文件大小： | 0K |
| 描述： | IC BUFF DVR LOW V N-INV 20SOIC |
| 标准包装： | 1,000 |
| 系列： | 74LCX |
| 逻辑类型： | 缓冲器/线路驱动器，非反相 |
| 元件数： | 2 |
| 每个元件的位元数： | 4 |
| 输出电流高，低： | 12mA，12mA |
| 电源电压： | 2 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC |
| 包装： | 带卷 (TR) |
www.fairchildsemi.com
4
74LCX2244
DC Electrical Characteristics (Continued)
Note 5: Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Note 6: 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 HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).
Dynamic Switching Characteristics
Capacitance
Symbol
Parameter
Conditions
VCC
TA = 40°C to +85°C
Units
(V)
Min
Max
IOFF
Power-Off Leakage Current
VI or VO = 5.5V
0.0
10.0
A
ICC
Quiescent Supply Current
VI = VCC or GND
2.3
3.6
10.0
A
3.6V
≤ V
I, VO ≤ 5.5V (Note 5)
2.3
3.6
±10.0
I
CC
Increase in ICC per Input
VIH = VCC 0.6V
2.3
3.6
500
A
Symbol
Parameter
TA = 40°C to +85°C, RL = 500
Units
VCC = 3.3V ± 0.3V
VCC = 2.7V
VCC = 2.5 ± 0.2V
CL = 50pF
CL = 30pF
Min
Max
Min
Max
Min
Max
tPHL
Propagation Delay
1.5
7.5
1.5
8.5
1.5
9.0
ns
tPLH
Data to Output
1.5
7.5
1.5
8.5
1.5
9.0
tPZL
Output Enable Time
1.5
9.0
1.5
10.0
1.5
10.5
ns
tPZH
1.5
9.0
1.5
10.0
1.5
10.5
tPLZ
Output Disable Time
1.5
7.0
1.5
8.0
1.5
8.4
ns
tPHZ
1.57.0
1.58.0
1.58.4
tOSHL
Output to Output Skew (Note 6)
1.0
ns
tOSLH
1.0
Symbol
Parameter
Conditions
VCC
TA = 25°C
Units
(V)
Typical
VOLP
Quiet Output Dynamic Peak VOL
CL = 50 pF, VIH = 3.3V, VIL = 0V
3.3
0.35
V
CL = 30 pF, VIH = 2.5V, VIL = 0V
2.5
0.25
VOLV
Quiet Output Dynamic Valley VOL
CL = 50 pF, VIH = 3.3V, VIL = 0V
3.3
0.35
V
CL = 30 pF, VIH = 2.5V, VIL = 0V
2.5
0.25
Symbol
Parameter
Conditions
Typical
Units
CIN
Input Capacitance
VCC = Open, VI = 0V or VCC
7.0
pF
COUT
Output Capacitance
VCC = 3.3V, VI = 0V or VCC
8.0
pF
CPD
Power Dissipation Capacitance
VCC = 3.3V, VI = 0V or VCC, f = 10 MHz
25.0
pF
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