74lvc257adb NXP Semiconductors, 74lvc257adb Datasheet - Page 10

• Manufacturer Part Number: 74lvc257adb
• Description: Quad 2-input Multiplexer With 5 Volt Tolerant Inputs/outputs 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC WAVEFORMS
2004 Jan 23
handbook, full pagewidth
Quad 2-input multiplexer with 5 V
tolerant inputs/outputs; 3-state
1.2 V
2.7 V
3.0 to 3.6 V
1.2 V
2.7 V
3.0 to 3.6 V
V
V
CC
CC
0.5
1.5 V
1.5 V
0.5
1.5 V
1.5 V
V
V
V
V
M
HIGH-to-OFF
M
OFF-to-HIGH
CC
LOW-to-OFF
OFF-to-LOW
CC
Fig.7 Input (S, nI0 and nI1) to output (nY) propagation delays.
OE input
output
output
handbook, halfpage
S, nl0, nl1 input
V
2.7 V
2.7 V
V
2.7 V
2.7 V
nY output
CC
CC
GND
GND
V OH
V CC
V OL
Fig.8 3-state enable and disable times.
V
V I
V
I
I
INPUT
INPUT
GND
V OH
V CC
V OL
enabled
V M
2.5 ns
2.5 ns
2.5 ns
output
2.5 ns
2.5 ns
2.5 ns
t PLZ
t
t
t PHZ
r
r
= t
= t
f
f
V M
V X
10
V Y
V M
t PHL
V
output load.
V
V
V
V
V
output load.
OL
X
X
Y
Y
OL
disabled
output
= V
= V
= V
= V
and V
and V
OL
OL
OH
OH
+ 0.3 V at V
+ 0.1 V at V
OH
OH
0.3 V at V
0.1 V at V
t PZL
t PZH
are typical output voltage drop that occur with the
are typical output voltage drop that occur with the
MNA869
t PLH
V M
CC
CC
CC
CC
V M
< 2.7 V;
< 2.7 V.
2.7 V;
output
enabled
2.7 V;
MNA870
Product specification
74LVC257A