74LVC2244A PHILIPS [NXP Semiconductors], 74LVC2244A Datasheet - Page 8

• Manufacturer Part Number: 74LVC2244A
• Description: Octal buffer/line driver with 30 ohm series termination resistors; 5 V input/output tolerant; 3-state
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
1999 Sep 30
handbook, full pagewidth
handbook, full pagewidth
Octal buffer/line driver with 30
resistors; 5 V input/output tolerant; 3-state
t
t
t
PLH
PLZ
PHZ
TEST
/t
/t
/t
PZL
PHL
PZH
open
2
GND
V
S1
CC
HIGH-to-OFF
OFF-to-HIGH
OFF-to-LOW
LOW-to-OFF
GENERATOR
nOE input
output
output
PULSE
<2.7 V
2.7 to 3.6 V
GND
GND
Fig.5 The 3-state enable and disable times.
V OH
V CC
V OL
V
CC
V I
Fig.6 Load circuitry for switching times.
V I
V M
V
2.7 V
enabled
R T
CC
outputs
t PLZ
t PHZ
V
series termination
D.U.T.
I
V CC
V X
8
V Y
V O
Definitions for test circuit:
R
C
(see Chapter “AC characteristics”).
R
of the pulse generator.
L
L
T
= Load resistor
= Load capacitance including jig and probe capacitance
= Termination resistance should be equal to the output impedance Z
disabled
outputs
50 pF
C L
t PZL
t PZH
500
500
R L
R L
S1
V M
V M
MNA368
outputs
enabled
2
open
GND
MNA362
V CC
74LVC2244A
Product specification
o