74LVT640 PHILIPS [NXP Semiconductors], 74LVT640 Datasheet - Page 5

• Manufacturer Part Number: 74LVT640
• Description: 3.3V Octal transceiver with direction pin; inverting 3-State
• Manufacturer: PHILIPS [NXP Semiconductors]

1. All typical values are at V
Philips Semiconductors
AC CHARACTERISTICS
GND = 0V; t
NOTES:
AC WAVEFORMS
V
1998 Feb 19
Waveform 1. Input (An or Bn) to Output (Bn or An) Propagation
M
SYMBOL
3.3V Octal transceiver with direction pin; inverting
(3-State)
Bn or An
OUTPUT
= 1.5V, V
An or Bn
INPUT
t
t
t
t
t
t
PZH
PHZ
PLH
PHL
PZL
PLZ
R
IN
= t
= GND to 2.7V
F
= 2.5ns; C
Propagation delay
An to Bn or Bn to An
Output enable time
to High and Low level
Output disable time
from High and Low Level
V
M
t
PHL
PARAMETER
CC
L
= 50pF; R
Delays
V
= 3.3V and T
M
L
= 500 ; T
amb
V
= 25 C.
M
t
PLH
amb
= –40 C to +85 C.
SA00192
V
M
WAVEFORM
NO TAG
NO TAG
NO TAG
5
An or Bn
OUTPUT
Bn or An
OUTPUT
OE INPUT
Waveform 2. 3-State Output Enable and Disable Times
MIN
1.0
1.0
1.1
1.5
2.2
2.0
V
CC
1.5V
t
t
PZL
PZH
= 3.3V +0.3V
TYP
2.3
2.4
3.5
3.6
3.7
3.1
1
1.5V
LIMITS
1.5V
MAX
3.7
3.3
5.3
5.3
5.0
4.5
V
1.5V
CC
t
t
PLZ
PHZ
MAX
4.5
3.1
6.9
6.2
5.6
4.5
= 2.7V
74LVT640
Product specification
3.0V
V
V
V
0V
V
UNIT
OL
OL
OH
OH
SV00106
ns
ns
ns
0V
2.7V
+ 0.3V
– 0.3V