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74AHC_AHCT257 Datenblatt(PDF) 7 Page - NXP Semiconductors

Teilenummer 74AHC_AHCT257
Bauteilbeschribung  Quad 2-input multiplexer; 3-state
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Hersteller  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74AHC_AHCT257 Datenblatt(HTML) 7 Page - NXP Semiconductors

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74AHC_AHCT257_2
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 — 9 May 2008
7 of 16
NXP Semiconductors
74AHC257; 74AHCT257
Quad 2-input multiplexer; 3-state
II
input leakage
current
VI = 5.5 V or GND;
VCC =0Vto5.5 V
-
-
0.1
-
1.0
-
2.0
µA
IOZ
OFF-state
output current
VI =VIH or VIL;
VO =VCC or GND;
VCC = 5.5 V
--
±0.25
-
±2.5
-
±10.0
µA
ICC
supply current VI =VCC or GND; IO = 0 A;
VCC = 5.5 V
-
-
4.0
-
40
-
80
µA
CI
input
capacitance
VI =VCC or GND
-
3
10
-
10
-
10
pF
CO
output
capacitance
-4
-
-
-
-
-
pF
74AHCT257
VIH
HIGH-level
input voltage
VCC = 4.5 V to 5.5 V
2.0
-
-
2.0
-
2.0
-
V
VIL
LOW-level
input voltage
VCC = 4.5 V to 5.5 V
-
-
0.8
-
0.8
-
0.8
V
VOH
HIGH-level
output voltage
VI = VIH or VIL; VCC = 4.5 V
IO = −50 µA
4.4
4.5
-
4.4
-
4.4
-
V
IO = −8.0 mA
3.94
-
-
3.80
-
3.70
-
V
VOL
LOW-level
output voltage
VI = VIH or VIL; VCC = 4.5 V
IO = 50 µA
-
0
0.1
-
0.1
-
0.1
V
IO = 8.0 mA
-
-
0.36
-
0.44
-
0.55
V
II
input leakage
current
VI = 5.5 V or GND;
VCC =0Vto5.5 V
-
-
0.1
-
1.0
-
2.0
µA
IOZ
OFF-state
output current
VI =VIH or VIL;
VO =VCC or GND per input
pin; other inputs at
VCC or GND; IO =0A;
VCC = 5.5 V
--
±0.25
-
±2.5
-
±10.0
µA
ICC
supply current VI =VCC or GND; IO = 0 A;
VCC = 5.5 V
-
-
4.0
-
40
-
80
µA
∆ICC
additional
supply current
per input pin;
VI =VCC − 2.1 V;
other pins at VCC or GND;
IO = 0 A; VCC = 4.5 V to 5.5 V
-
-
1.35
-
1.5
-
1.5
mA
CI
input
capacitance
VI =VCC or GND
-
3
10
-
10
-
10
pF
CO
output
capacitance
-4
-
-
-
-
-
pF
Table 6.
Static characteristics …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
25
°C
−40 °C to +85 °C −40 °C to +125 °C Unit
Min
Typ
Max
Min
Max
Min
Max


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