74LV541 Ver la hoja de datos (PDF) - Philips Electronics
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74LV541 Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal buffer/line driver (3-State)
Product specification
74LV541
AC CHARACTERISTICS
GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = 1KW
SYMBOL
PARAMETER
WAVEFORM
CONDITION
VCC(V)
1.2
tPHL/tPLH
Propagation delay
An to Yn
Figure 1
2.0
2.7
3.0 to 3.6
1.2
tPZH/tPZL
3-State output enable time
OEn to Yn
Figure 2
2.0
2.7
3.0 to 3.6
1.2
tPHZ/tPLZ
3-State output disable time
OEn to Yn
Figure 2
2.0
2.7
NOTES:
1. Unless otherwise stated, all typical values are at Tamb = 25°C.
2. Typical value measured at VCC = 3.3V.
3.0 to 3.6
LIMITS
–40 to +85 °C
–40 to +125 °C
MIN TYP1 MAX MIN MAX
–
60
–
–
–
–
20
39
–
46
–
15
29
–
34
–
112
23
–
27
–
100
–
–
–
–
34
65
–
77
–
25
48
–
56
–
192
38
–
45
–
100
–
–
–
–
36
66
–
78
–
27
48
–
58
–
212
39
–
47
UNIT
ns
ns
ns
AC WAVEFORMS
VM = 1.5V at VCC w 2.7V
VM = 0.5 * VCC at VCC t 2.7V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VX = VOL + 0.3V at VCC w 2.7V
VX = VOL + 0.1VCC at VCC < 2.7V
VY = VOH – 0.3V at VCC w 2.7V
VY = VOH – 0.1 VCC at VCC < 2.7V
V1
An INPUT
VM
GND
tPHL
VOH
tPLH
Yn OUTPUT
VM
VOL
SV00684
Figure 1. Input (An) to output (Yn) propagation delays
VI
OEn INPUT
GND
VCC
OUTPUT
LOW-to-OFF
OFF-to-LOW
VOL
VOH
OUTPUT
HIGH-to-OFF
OFF–to-HIGH
GND
VM
tPLZ
VX
tPHZ
VY
outputs
enabled
tPZL
VM
tPZH
outputs
disabled
VM
outputs
enabled
SV00685
Figure 2. 3-State enable and disable times
1998 Jun 10
6
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