|
|
Número de pieza | IN74LV138 | |
Descripción | 3-8 Decoder/Demultiplexer | |
Fabricantes | IK Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de IN74LV138 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! 3-to-8 line decoder/demultiplexer;
inverting
The IN74LV138 is a low-voltage Si-gate CMOS device and is pin
and function compatible 74HCT138.
The74LV138 accepts three binary weighted address inputs -
(A0,A1,A2) and when enabled, provide 8 - mutually exclusive active
LOW outputs (Y0 to Y7).
The “138” features three enable inputs: two active LOW (CS2,CS3
and one active HIGH (CS1).Every output will be HIGH unless CS2, and
CS3 are LOW and CS1 is HIGH.
• Optimized for Low Voltage applications:1.2 to 3.6 V
• Demultiplexing capability
• Multiple input enable for easy expansion
• Ideal for memory chip select decoding
• Active LOW mutually exclusive outputs
• Output capability: standard
TECHNICAL DATA
IN74LV138
N SUFFIX
PLASTIC
16
1 D SUFFIX
16 SOIC
1
ORDERING INFORMATION
IN74LV138N Plastic
IN74LV138D SOIC
TA = -40° to 125° C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 16 =VCC
PIN 8 = GND
www.datasheet4u.com
FUNCTION TABLE
Inputs
Outputs
CS1CS2CS3 A2 A1A0 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
XXH
XHX
LXX
XXX
XXX
XXX
H H H HHHHH
H H H HHHHH
H H H HHHHH
HLL
HLL
HLL
HLL
LLL
LLH
LHL
LHH
L H H HHHHH
H L H HHHHH
H H L HHHHH
H H H LHHHH
HLL
HLL
HLL
HLL
HLL
HLH
HHL
HHH
H H H HLHHH
H H H HHLHH
H H H HHHLH
H H H HHHHL
H = high level (steady state)
L = low level (steady state)
X = don’t care
1
1 page INPUT
CS2,CS3
OUTPUT
Y
tPHL
tr
90%
50%
10%
90%
5100%%
Vcc
GND
tPLH
Figure 3. Switching Waveforms
IN74LV138
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
C*L
* Includes all prode and jig capacitance
Figure 4. Test Circuit
EXPANDED LOGIC DIAGRAM
5
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet IN74LV138.PDF ] |
Número de pieza | Descripción | Fabricantes |
IN74LV138 | 3-8 Decoder/Demultiplexer | IK Semiconductor |
IN74LV139 | Dual 2-4 Decoder/Demultiplexer | IK Semiconductor |
Número de pieza | Descripción | Fabricantes |
SLA6805M | High Voltage 3 phase Motor Driver IC. |
Sanken |
SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
Analog Devices |
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |