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PDF 74LVC257A Data sheet ( Hoja de datos )
| Número de pieza | 74LVC257A | |
| Descripción | Quad 2-input multiplexer with 5 Volt tolerant inputs/outputs 3-State | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
74LVC257A
Quad 2-input multiplexer with 5 Volt
tolerant inputs/outputs (3-State)
Product specification
Superceded data of 1997 Sep 26
IC24 Data Handbook
1998 Jul 29
Philips
Semiconductors
1 page  
Philips Semiconductors
Quad 2-input multiplexer with 5 Volt tolerant
inputs/outputs (3-State)
Product specification
74LVC257A
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions voltages are referenced to GND (ground = 0V)
SYMBOL
PARAMETER
TEST CONDITIONS
VIH HIGH level Input voltage
VCC = 1.2V
VCC = 2.7 to 3.6V
VIL LOW level Input voltage
VOH HIGH level output voltage
VCC = 1.2V
VCC = 2.7 to 3.6V
VCC = 2.7V; VI = VIH or VIL; IO = –12mA
VCC = 3.0V; VI = VIH or VIL; IO = –100µA
VCC = 3.0V; VI = VIH or VIL; IO = –18mA
VOL LOW level output voltage
VCC = 3.0V; VI = VIH or VIL; IO = –24mA
VCC = 2.7V; VI = VIH or VIL; IO = 12mA
VCC = 3.0V; VI = VIH or VIL; IO = 100µA
VCC = 3.0V; VI = VIH or VIL; IO = 24mA
II Input leakage current
VCC = 3.6V; VI = 5.5V or GND
IOZ 3-State output OFF-state current
VCC = 3.6V; VI = VIH or VIL; VO = VCC or GND
IOFF Power off leakage current
VCC = 0.0V; VI or VO = 5.5V
ICC Quiescent supply current
VCC = 3.6V; VI = VCC or GND; IO = 0
∆ICC
Additional quiescent supply current per
input pin
VCC = 2.7V to 3.6V; VI = VCC –0.6V; IO = 0
NOTES:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
LIMITS
Temp = -40°C to +85°C
MIN TYP1 MAX
VCC
2.0
GND
VCC*0.5
VCC*0.2
VCC*0.6
VCC*0.8
VCC
0.8
0.40
GND 0.20
0.55
"0.1 "5
0.1 "5
0.1 "10
0.1 10
5 500
UNIT
V
V
V
V
µA
µA
µA
µA
µA
AC CHARACTERISTICS
GND = 0 V; tr = tf v 2.5 ns; CL = 50 pF; RL = 500W; Tamb = –40_C to +85_C
SYMBOL
PARAMETER
WAVEFORM
tPHL/tPLH
tPHL/tPLH
Propagation delay
nl0 to nY
nl1 to nY
Propagation delay
S to nY
Figures 1, 3
Figures 1, 3
tPZH/tPZL
3-state output enable time
OE to nY
Figures 2, 3
tPHZ/tPLZ
3-state output disable time
OE to nY
Figures 2, 3
NOTE:
1. These typical values are at VCC = 3.3V and Tamb = 25°C.
VCC = 3.3V ±0.3V
MIN TYP1 MAX
1.5 3.9 5.1
1.5 3.5 6.4
1.5 3.7 6.5
1.5 3.2 5.2
LIMITS
VCC = 2.7V
MIN TYP1 MAX
1.5 3.3 6.1
1.5 4.3 7.5
1.5 4.6 7.5
1.5 3.5 6.2
VCC = 1.2V
TYP
UNIT
11 ns
14 ns
15 ns
12 ns
1998 Jul 29
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 74LVC257A.PDF ] | |
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