74ALVC245_08 Ver la hoja de datos (PDF) - Fairchild Semiconductor
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74ALVC245_08
Fairchild Semiconductor
74ALVC245_08 Datasheet PDF : 8 Pages
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Capacitance
Symbol
Parameter
CIN Input Capacitance
Control
CI/O Input/ Output Capacitance A or B Ports
CPD Power Dissipation
Capacitance
Outputs Enabled
Conditions
VI = 0V or VCC
VI = 0V or VCC
f = 10MHz, CL = 0pF
Outputs Disabled f = 10MHz, CL = 0pF
TA = +25°C
VCC Typical
3.3
3
3.3
6
3.3
30
2.5
27
1.8
25
3.3
0
2.5
0
1.8
0
Units
pF
pF
AC Loading and Waveforms
Table 1. Values for Figure 1
Test
tPLH, tPHL
tPZL, tPLZ
tPZH, tPHZ
Switch
Open
VL
GND
Figure 1. AC Test Circuit
Table 2. Variable Matrix
(Input Characteristics: f = 1MHz; tr = tf = 2ns; Z0 = 50Ω)
Symbol
3.3V ± 0.3V
VCC
2.7V
2.5V ± 0.2V
Vmi
1.5V
1.5V
VCC / 2
Vmo
1.5V
1.5V
VCC / 2
VX
VOL + 0.3V
VOL + 0.3V
VOL + 0.15V
VY
VOH − 0.3V
VOH − 0.3V
VOH − 0.15V
VL
6V
6V
VCC x 2
1.8V ± 0.15V
VCC / 2
VCC / 2
VOL + 0.15V
VOH − 0.15V
VCC x 2
Figure 2. Waveform for Inverting and
Non-Inverting Functions
©2001 Fairchild Semiconductor Corporation
74ALVC245 Rev. 1.3.0
Figure 3. 3-STATE Output Low Enable and Disable
Times for Low Voltage Logic
www.fairchildsemi.com
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