74F540N Datasheet, PDF (6/10 Pages) NXP Semiconductors – Octal inverter buffer (3- State)

Philips Semiconductors
Buffers
Product specification
74F540, 74F541
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST
CONDITIONS
t_PLH
Propagation delay
t_PHL
In to Yn
Waveform 1
t_PZH
t_PZL
Output Enable time
to High or Low level
74F540
Waveform 3
Waveform 4
t_PZH
Output Disable time
t_PZL
from High or Low level
Waveform 3
Waveform 4
t_PLH
Propagation delay
t_PHL
In to Yn
Waveform 2
t_PZH
t_PZL
Output Enable time
to High or Low level
74F541
Waveform 3
Waveform 4
t_PZH
Output Disable time
t_PZL
from High or Low level
Waveform 3
Waveform 4
LIMITS
T_amb = +25°C
V_CC = +5.0V
C_L = 50pF, R_L = 500Ω
MIN TYP MAX
T_amb = 0°C to +70°C
V_CC = +5.0V ± 10%
C_L = 50pF, R_L = 500Ω
MIN
MAX
3.0
4.5
6.5
2.5
7.5
1.5
2.5
4.5
1.5
5.0
2.0
3.5
6.5
2.0
7.0
4.0
7.5
9.5
4.0
10.0
2.0
4.0
6.0
2.0
6.5
2.0
4.0
5.5
2.0
6.0
2.5
5.0
6.5
2.5
7.0
3.5
6.0
7.0
3.0
7.5
3.0
5.5
7.0
3.0
7.5
3.0
6.5
8.5
3.0
9.5
2.0
4.0
7.0
2.0
7.5
2.0
4.0
7.0
2.0
7.5
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC WAVEFORMS
For all waveforms, V_M = 1.5V.
In
V_M
t_PHL
Yn
V_M
t_PLH
V_M
V_M
SF01028
Waveform 1. Propagation Delay Data to Outputs for 74F540
In
V_M
V_M
t_PLH
t_PHL
Yn
V_M
V_M
SF00150
Waveform 2. Propagation Delay Data to Outputs for 74F541
OEn
Yn, Yn
V_M
t_PZH
V_M
V_M
t_PHZ
V_OH -0.3V
0V
SF01030
Waveform 3. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
OEn
V_M
V_M
t_PZL
t_PLZ
Yn, Yn
V_M
V_OL +0.3V
SF01031
Waveform 4. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
1990 Jan 08
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