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74LCX244-09 Datasheet, PDF (4/14 Pages) Fairchild Semiconductor – 74LCX244 Low Voltage Buffer/Line Driver with 5V Tolerant Inputs and Outputs | |||
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DC Electrical Characteristics
Symbol
Parameter
VIH HIGH Level Input Voltage
VIL LOW Level Input Voltage
VOH HIGH Level Output Voltage
VOL LOW Level Output Voltage
II
Input Leakage Current
IOZ 3-STATE Output Leakage
IOFF Power-Off Leakage Current
ICC Quiescent Supply Current
ÎICC Increase in ICC per Input
Note:
5. Outputs disabled or 3-STATE only.
VCC (V)
2.3â2.7
2.7â3.6
2.3â2.7
2.7â3.6
2.3â3.6
2.3
2.7
3.0
2.3â3.6
2.3
2.7
3.0
2.3â3.6
2.3â3.6
0
2.3â3.6
2.3â3.6
Conditions
TA = â40°C to +85°C
Min.
Max.
1.7
2.0
0.7
0.8
IOH = â100µA
IOH = â8mA
IOH = â12mA
IOH = â18mA
IOH = â24mA
IOL = 100µA
IOL = 8mA
IOL = 12mA
IOL = 16mA
IOL = 24mA
0 ⤠VI ⤠5.5V
0 ⤠VO ⤠5.5V,
VI = VIH or VIL
VI or VO = 5.5V
VI = VCC or GND
3.6V ⤠VI, VO ⤠5.5V(5)
VIH = VCC â 0.6V
VCC â 0.2
1.8
2.2
2.4
2.2
0.2
0.6
0.4
0.4
0.55
±5.0
±5.0
10
10
±10
500
Units
V
V
V
V
µA
µA
µA
µA
µA
AC Electrical Characteristics
Symbol
Parameter
TA = â40°C to +85°C, RL = 500Ω
VCC = 3.3V ± 0.3V, VCC = 2.7V, VCC = 2.5V ± 0.2V,
CL = 50pF
CL = 50pF
CL = 30pF
Min. Max. Min. Max. Min. Max.
Units
tPHL, tPLH Propagation Delay,
Data to Output
1.5
6.5
1.5 7.5
1.5
7.8
ns
tPZL, tPZH Output Enable Time
1.5
tPLZ, tPHZ Output Disable Time
1.5
tOSHL, tOSLH Output to Output Skew(6)
8.0
1.5 9.0
1.5
10.0
ns
7.0
1.5 8.0
1.5
8.4
ns
1.0
ns
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).
©1994 Fairchild Semiconductor Corporation
74LCX244 Rev. 1.12.1
4
www.fairchildsemi.com
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