74lvc257adb NXP Semiconductors, 74lvc257adb Datasheet - Page 9

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

Philips Semiconductors
AC CHARACTERISTICS
GND = 0 V; t
Notes
1. All typical values are measured T
2. These typical values are measured at V
3. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed
2004 Jan 23
SYMBOL
T
t
t
t
t
T
t
t
t
t
PHL
PZH
PHZ
sk(0)
PHL
PZH
PHZ
sk(0)
amb
amb
Quad 2-input multiplexer with 5 V
tolerant inputs/outputs; 3-state
by design.
/t
/t
/t
/t
/t
/t
PLH
PLH
PZL
PLZ
PZL
PLZ
= 40 to +85 C; note 1
= 40 to +125 C
r
= t
propagation delay
nI0, nI1 to nY
propagation delay S to nY
3-state output enable time
OE to nY
3-state output disable time
OE to nY
skew
propagation delay
nI0, nI1 to nY
propagation delay S to nY
3-state output enable time
OE to nY
3-state output disable time
OE to nY
skew
f
2.5 ns; C
PARAMETER
L
= 50 pF; R
amb
L
= 25 C.
= 500 .
CC
see Figs 7 and 9 1.2
see Figs 7 and 9 1.2
see Figs 8 and 9 1.2
see Figs 8 and 9 1.2
note 3
see Figs 7 and 9 1.2
see Figs 7 and 9 1.2
see Figs 8 and 9 1.2
see Figs 8 and 9 1.2
note 3
WAVEFORMS
= 3.3 V.
TEST CONDITIONS
9
2.7
3.0 to 3.6
2.7
3.0 to 3.6
2.7
3.0 to 3.6
2.7
3.0 to 3.6
3.0 to 3.6
2.7
3.0 to 3.6
2.7
3.0 to 3.6
2.7
3.0 to 3.6
2.7
3.0 to 3.6
3.0 to 3.6
V
CC
(V)
1.0
1.0
1.0
1.0
1.5
1.0
1.5
1.0
1.0
1.0
1.0
1.0
1.5
1.0
1.5
1.0
MIN.
16
3.0
2.9
18
3.6
3.2
15
3.6
3.7
8
3.1
3.2
TYP.
(2)
(2)
(2)
(2)
Product specification
74LVC257A
5.4
4.6
7.5
6.4
6.7
5.6
4.7
4.3
1.0
7.0
6.0
9.5
8.0
8.5
7.0
6.0
5.5
1.5
MAX.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT