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PDF HD74LV157A Data sheet ( Hoja de datos )
| Número de pieza | HD74LV157A | |
| Descripción | Quad. 2-to-1 line Data Selectors / Multiplexers(Noninverted Outputs) | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HD74LV157A
Quad. 2-to-1 line Data Selectors / Multiplexers
(Noninverted Outputs)
ADE-205-263 (Z)
1st Edition
March 1999
Description
The HD74LV157A has four 2-input digital multiplexers with common select and strobe inputs. When the
strobe input 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.
Low-voltage and high-speed operation is suitable for the battery-powered products (e.g., notebook
computers), and the low-power consumption extends the battery life.
Features
• VCC = 2.0 V to 5.5 V operation
• All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
• All outputs VO (Max.) = 5.5 V (@VCC = 0 V)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25°C)
• Output current ±6 mA (@VCC = 3.0 V to 3.6 V), ±12 mA (@VCC = 4.5 V to 5.5 V)
Function Table
Inputs
STB SEL A B Output
HXX XL
L L L XL
L L HXH
L HX L L
L HX HH
Note: H: High level
L: Low level
X: Immaterial
1 page  
Logic Diagram
1A
1B
2A
2B
3A
3B
4A
4B
Select
Strobe
HD74LV157A
1Y
2Y
3Y
4Y
5
5 Page 
Package Dimensions
HD74LV157A
10.06
10.5 Max
16
9
18
0.80 Max
1.27
0.42 ± 0.08
0.40 ± 0.06
0.15
0.12 M
Dimension including the plating thickness
Base material dimension
7.80
+
–
0.20
0.30
1.15
0.70 ± 0.20
0° – 8°
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
FP-16DA
—
Conforms
0.24 g
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet HD74LV157A.PDF ] | |
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