参数资料
型号: 74LCX240MTC
厂商: Fairchild Semiconductor
文件页数: 7/12页
文件大小: 0K
描述: IC INVERTER DUAL 4-INPUT 20TSSOP
标准包装: 73
系列: 74LCX
逻辑类型: 逆变器,缓冲器
电路数: 2
输入数: 4
特点: 三态
电源电压: 2 V ~ 3.6 V
电流 - 静态(最大值): 10µA
输出电流高,低: 24mA,24mA
逻辑电平 - 低: 0.7 V ~ 0.8 V
逻辑电平 - 高: 1.7 V ~ 2 V
额定电压和最大 CL 时的最大传播延迟: 6.5ns @ 3.3V,50pF
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
供应商设备封装: 20-TSSOP
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
包装: 管件
1994 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74LCX240 Rev. 1.6.0
4
74LCX240
Lo
w
V
olta
g
e
Octal
Buff
er/Line
Driver
with
5V
T
olerant
Inputs
and
Outputs
DC Electrical Characteristics
Note:
4. Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Note:
5. 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).
Symbol
Parameter
VCC (V)
Conditions
TA = –40°C to +85°C
Units
Min.
Max.
VIH
HIGH Level Input Voltage
2.3–2.7
1.7
V
2.7–3.6
2.0
VIL
LOW Level Input Voltage
2.3–2.7
0.7
V
2.7–3.6
0.8
VOH
HIGH Level Output Voltage
2.3–3.6
IOH = –100A
VCC – 0.2
V
2.3
IOH = –8mA
1.8
2.7
IOH = –12mA
2.2
3.0
IOH = –18mA
2.4
IOH = –24mA
2.2
VOL
LOW Level Output Voltage
2.3–3.6
IOL = 100A
0.2
V
2.3
IOL = 8mA
0.6
2.7
IOL = 12mA
0.4
3.0
IOL = 16mA
0.4
IOL = 24mA
0.55
II
Input Leakage Current
2.3–3.6
0
≤ V
I ≤ 5.5V
±5.0
A
IOFF
Power-Off Leakage Current
VI or VO = 5.5V
10
A
ICC
Quiescent Supply Current
2.3–3.6
VI = VCC or GND
10
A
3.6V
≤ V
I, VO ≤ 5.5V
(4)
±10
I
CC
Increase in ICC per Input
2.3–3.6
VIH = VCC = 0.6V
500
A
Symbol
Parameter
TA = –40°C to +85°C, RL = 500
Units
VCC = 3.3V ± 0.3V,
CL = 50pF
VCC = 2.7V,
CL = 50pF
VCC = 2.5V ± 0.2V,
CL = 30pF
Min.
Max.
Min.
Max.
Min.
Max.
tPHL, tPLH
Propagation Delay
1.5
6.5
1.5
7.5
1.5
7.8
ns
tPZL, tPZH
Output Enable Time
1.5
8.0
1.5
9.0
1.5
10.0
ns
tPLZ, tPHZ
Output Disable Time
1.5
7.0
1.5
8.0
1.5
8.4
ns
tOSHL, tOSLH
Output to Output Skew(5)
1.0
ns
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