74lv257 NXP Semiconductors, 74lv257 Datasheet - Page 7

• Manufacturer Part Number: 74lv257
• Description: Quad 2-input Multiplexer 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEST CIRCUIT
1998 May 20
Quad 2-input multiplexer (3-State)
GENERATOR
DEFINITIONS
R
C
R
PULSE
L
T
L
= Load capacitance includes jig and probe capacitance
= Load resistor
= Termination resistance should be equal to Z
Figure 3. Load circuitry for switching times.
t
PLH/
TEST
t
PHL
Test Circuit for switching times
V
I
R
T
D.U.T.
V
CC
2.7–3.6V
< 2.7V
V
CC
V
O
C
OUT
L
2.7V
V
V
CC
of pulse generators.
I
50pF
SV00776
R
L
= 1K
7
Product specification
74LV257