74lvc157abq NXP Semiconductors, 74lvc157abq Datasheet - Page 11

• Manufacturer Part Number: 74lvc157abq
• Description: Quad 2-input Multiplexer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Dec 02
handbook, full pagewidth
Quad 2-input multiplexer
Note
1. The circuit performs better when R
Definitions for test circuits:
R
C
R
1.2 V
2.7 V
3.0 to 3.6 V
L
L
T
= Load resistor.
= Load capacitance including jig and probe capacitance.
= Termination resistance should be equal to the output impedance Z
V
CC
V
2.7 V
2.7 V
CC
V
I
GENERATOR
PULSE
50 pF
50 pF
50 pF
C
L
Fig.9 Load circuitry for switching times.
L
= 1000 .
V I
500
500
500
R
R T
L
(1)
D.U.T.
V CC
open
open
open
t
PLH
o
11
of the pulse generator.
/t
V O
PHL
GND
GND
GND
t
PZH
50 pF
C L
V
EXT
/t
PHZ
500
500
R L
R L
2
2
2
t
PZL
S1
V
V
V
/t
CC
CC
CC
PLZ
MNA368
2
open
GND
V CC
Product specification
74LVC157A