74lv244db NXP Semiconductors, 74lv244db Datasheet - Page 7

• Manufacturer Part Number: 74lv244db
• Description: Octal Buffer/line Driver 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEST CIRCUIT
1998 May 20
Octal buffer/line driver (3-State)
GENERATOR
SWITCH POSITION
t
t
t
PLH/
PLZ/
PHZ/
TEST
DEFINITIONS
R
C
R
PULSE
L
L
T
t
t
= Load resistor
= Load capacitance includes jig and probe capacitiance.
= Termination resistance should be equal to Z
t
PHL
PZL
PZH
Figure 3. Load circuitry for switching times.
2 * V
Open
GND
S
CC
V
Test Circuit for Outputs
1
I
R
T
D.U.T.
w 4.5V
V
2.7–3.6V
CC
< 2.7V
V
CC
V
O
C
OUT
2.7V
V
V
L
V
CC
CC
I
of pulse generators.
50 pF
SV00896
R
R
L
L
= 1k
= 1k
2 * V
Open
GND
CC
7
Product specification
74LV244