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Número de pieza | U74AHC157 | |
Descripción | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS / MULTIPLEXERS | |
Fabricantes | Unisonic Technologies | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de U74AHC157 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! UNISONIC TECHNOLOGIES CO., LTD
U74AHC157
QUADRUPLE 2-LINE TO 1-LINE
DATA SELECTORS /
MULTIPLEXERS
DESCRIPTION
The U74AHC157 is a quadruple 2-line to 1-line data
selector/multiplexer. When G is high all outputs are low. When G is
low a 4-bit word is selected from one of two sources and is routed to
the four outputs. The device provides true data.
FEATURES
* Wide supply voltage range from 2V to 5.5V
* Max tPD of 4.1ns from A or B to Y at 5V, CL=15pF
* Low power consumption, ICC = 4 μA (MAX) at 5.5V
* ±8 mA output driver at 5V
CMOS IC
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74AHC157L-P16-R
U74AHC157G-P16-R
U74AHC157L-P16-T
U74AHC157G-P16-T
Package
TSSOP-16
TSSOP-16
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
1 of 6
QW-R502-626.A
1 page U74AHC157
TEST CIRCUIT AND WAVEFORMS
CMOS IC
VCC
3.3V±0.3V
5V±0.5V
Input
VIN tR, tF
VCC ≤3ns
VCC ≤3ns
Input
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
VLOAD
GND
VM
VCC/2
VCC/2
tW
VLOAD
VCC
VCC
CL
15pF
50pF
15pF
50pF
VM
Pulse Duration
VM
RL
1kΩ
1kΩ
VIN
0
V
VΔ
0.3V
0.5V
Timing Input
Data Input
VM
tSU tH
VM VM
Setup and Hold Times
VIN
0V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R502-626.A
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet U74AHC157.PDF ] |
Número de pieza | Descripción | Fabricantes |
U74AHC157 | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS / MULTIPLEXERS | Unisonic Technologies |
U74AHC158 | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS / MULTIPLEXERS | Unisonic Technologies |
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