74F640 Datasheet, PDF (6/11 Pages) NXP Semiconductors – Octal bus transceiver, inverting 3-State

Philips Semiconductors
Octal bus transceiver, inverting (3-State)
Product specification
74F640
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
t_PLH
t_PHL
t_PZH
t_PZL
t_PHZ
t_PLZ
Propagation delay
An to Bn, Bn to An
Output Enable time
to High or Low level
Output Disable time
from High or Low level
TEST
CONDITION
Waveform
NO TAG
Waveform 3
Waveform 2
Waveform 3
Waveform 2
LIMITS
V_CC = +5V
T_amb = +25°C
C_L = 50pF, R_L = 500Ω
MIN TYP MAX
V_CC = +5V ± 10%
T_amb = 0°C to +70°C
C_L = 50pF, R_L = 500Ω
MIN
MAX
2.0
4.5
7.0
2.0
8.0
1.0
2.5
5.0
1.0
5.5
5.5
6.5 10.5
5.0
12.0
5.5
7.0 10.5
5.0
11.0
2.0
3.5
6.5
1.5
8.0
2.0
4.5
7.0
2.0
7.5
UNIT
ns
ns
ns
1989 Nov 27
6