NXP Semiconductors
74HC257; 74HCT257
Quad 2-input multiplexer; 3-state
9. Static characteristics
Table 6.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
74HC257
V
IH
HIGH-level
input voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
IL
LOW-level
input voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
OH
HIGH-level
output voltage
V
I
= V
IH
or V
IL
I
O
=
−20 μA;
V
CC
= 2.0 V
I
O
=
−20 μA;
V
CC
= 4.5 V
I
O
=
−20 μA;
V
CC
= 6.0 V
I
O
=
−6.0
mA; V
CC
= 4.5 V
I
O
=
−7.8
mA; V
CC
= 6.0 V
V
OL
LOW-level
output voltage
V
I
= V
IH
or V
IL
I
O
= 20
μA;
V
CC
= 2.0 V
I
O
= 20
μA;
V
CC
= 4.5 V
I
O
= 20
μA;
V
CC
= 6.0 V
I
O
= 6.0 mA; V
CC
= 4.5 V
I
O
= 7.8 mA; V
CC
= 6.0 V
I
I
I
OZ
input leakage current V
I
= V
CC
or GND; V
CC
= 6.0 V
OFF-state
output current
supply current
input capacitance
HIGH-level
input voltage
LOW-level
input voltage
HIGH-level
output voltage
V
CC
= 4.5 V to 5.5 V
V
CC
= 4.5 V to 5.5 V
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
=
−20 μA
I
O
=
−6
mA
V
OL
LOW-level
output voltage
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
= 20
μA
I
O
= 6.0 mA
I
I
74HC_HCT257_5
25
°C
Typ
1.2
2.4
3.2
0.8
2.1
2.8
2.0
4.5
6.0
4.32
5.81
0
0
0
0.15
0.16
-
-
Max
-
-
-
0.5
1.35
1.8
-
-
-
-
-
0.1
0.1
0.1
0.26
0.26
±0.1
±0.5
−40 °C
to
+85
°C
Min
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
3.84
5.34
-
-
-
-
-
-
-
Max
-
-
-
0.5
1.35
1.8
-
-
-
-
-
0.1
0.1
0.1
0.33
0.33
±1.0
−40 °C
to
+125
°C
Min
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
3.7
5.2
-
-
-
-
-
±1.0
Max
-
-
-
0.5
1.8
-
-
-
-
-
0.1
0.1
0.1
0.4
0.4
Unit
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
3.98
5.48
-
-
-
-
-
-
-
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
1.35 V
±1.0 μA
V
I
= V
IH
or V
IL
;
V
O
= V
CC
or GND;
V
CC
= 6.0 V
V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 6.0 V
±5.0 ±10.0 ±10.0 μA
I
CC
C
i
V
IH
V
IL
V
OH
-
-
2.0
-
-
3.5
1.6
1.2
8.0
-
-
0.8
-
80
160
160
μA
pF
74HCT257
2.0
-
-
0.8
2.0
-
-
0.8
V
V
4.4
3.98
-
-
-
4.5
4.32
0
0.15
-
-
-
0.1
0.26
±0.1
4.4
3.84
-
-
-
-
-
-
0.1
0.33
±1.0
±5.0
4.4
3.7
-
-
-
-
-
-
0.1
0.4
±10
V
V
V
μA
6 of 17
±1.0
V
input leakage current V
I
= V
CC
or GND; V
CC
= 5.5 V
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 05 — 13 January 2010
PHILIPS [ NXP SEMICONDUCTORS ]
