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74LVC257A Fiches technique(PDF) 5 Page - NXP Semiconductors

No de pièce 74LVC257A
Description  Quad 2-input multiplexer with 5 Volt tolerant inputs/outputs (3-State)
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

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Philips Semiconductors
Product specification
74LVC257A
Quad 2-input multiplexer with 5 Volt tolerant
inputs/outputs (3-State)
1998 Jul 29
5
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions voltages are referenced to GND (ground = 0V)
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
Temp = -40
°C to +85°C
UNIT
MIN
TYP1
MAX
V
HIGH level Input voltage
VCC = 1.2V
VCC
V
VIH
HIGH level Input voltage
VCC = 2.7 to 3.6V
2.0
V
V
LOW level Input voltage
VCC = 1.2V
GND
V
VIL
LOW level Input voltage
VCC = 2.7 to 3.6V
0.8
V
VCC = 2.7V; VI = VIH or VIL; IO = –12mA
VCC*0.5
VO
HIGH level output voltage
VCC = 3.0V; VI = VIH or VIL; IO = –100µA
VCC*0.2
VCC
V
VOH
HIGH level output voltage
VCC = 3.0V; VI = VIH or VIL; IO = –18mA
VCC*0.6
V
VCC = 3.0V; VI = VIH or VIL; IO = –24mA
VCC*0.8
VCC = 2.7V; VI = VIH or VIL; IO = 12mA
0.40
VOL
LOW level output voltage
VCC = 3.0V; VI = VIH or VIL; IO = 100µA
GND
0.20
V
VCC = 3.0V; VI = VIH or VIL; IO = 24mA
0.55
I
Input leakage current
VCC =3 6V; V = 5 5V or GND
"01
"5
µA
II
Input leakage current
VCC = 3.6V; VI = 5.5V or GND
"0.1
"5
µA
IOZ
3-State output OFF-state current
VCC = 3.6V; VI = VIH or VIL; VO = VCC or GND
0.1
"5
µA
IOFF
Power off leakage current
VCC = 0.0V; VI or VO = 5.5V
0.1
"10
µA
ICC
Quiescent supply current
VCC = 3.6V; VI = VCC or GND; IO = 0
0.1
10
µA
∆ICC
Additional quiescent supply current per
input pin
VCC = 2.7V to 3.6V; VI = VCC –0.6V; IO = 0
5
500
µA
NOTES:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
AC CHARACTERISTICS
GND = 0 V; tr = tf v 2.5 ns; CL = 50 pF; RL = 500W; Tamb = –40_C to +85_C
LIMITS
SYMBOL
PARAMETER
WAVEFORM
VCC = 3.3V ±0.3V
VCC = 2.7V
VCC = 1.2V
UNIT
MIN
TYP1
MAX
MIN
TYP1
MAX
TYP
tPHL/tPLH
Propagation delay
nl0 to nY
nl1 to nY
Figures 1, 3
1.5
3.9
5.1
1.5
3.3
6.1
11
ns
tPHL/tPLH
Propagation delay
S to nY
Figures 1, 3
1.5
3.5
6.4
1.5
4.3
7.5
14
ns
tPZH/tPZL
3-state output enable time
OE to nY
Figures 2, 3
1.5
3.7
6.5
1.5
4.6
7.5
15
ns
tPHZ/tPLZ
3-state output disable time
OE to nY
Figures 2, 3
1.5
3.2
5.2
1.5
3.5
6.2
12
ns
NOTE:
1. These typical values are at VCC = 3.3V and Tamb = 25°C.


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