Difference between revisions of "Category:Voltage Translator"

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{| class="wikitable sortable"
 
{| class="wikitable sortable"
 
|-
 
|-
! Type !! Channel !! Package !! Type  
+
! Type !! Channel !! Package !! Type !! CN Chips
 
|-
 
|-
 
| CD4050 || 6 || - || Single directional
 
| CD4050 || 6 || - || Single directional
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| 74LVC8T245, 74HC245, 74HCT245  || 8 || ? || Single directional
 
| 74LVC8T245, 74HC245, 74HCT245  || 8 || ? || Single directional
 
|-
 
|-
| 74VHCT125PW, 74HCT125, 74HC125D  || 4 || ? || Single directional
+
| 74VHCT125PW, 74HCT125, 74HC125D  || 4 || ? || Single directional || 明微 SM74HC245D, FM富满 74HC245C
 
|}
 
|}
  

Revision as of 09:54, 20 March 2020

Logic Shifter

Selection Guide

Type Channel Package Type CN Chips
CD4050 6 - Single directional
TXS0102 2 SSOP8 Bi-directional
TXS0104 4 TSSOP14 Bi-directional
TXS0108 8 TSSOP20 Bi-directional
PCA9306 3 TSSOP8
BSS138 1 SOT23 Bi-directional
MAX3010 ? ?
74LVC8T245, 74HC245, 74HCT245 8 ? Single directional
74VHCT125PW, 74HCT125, 74HC125D 4 ? Single directional 明微 SM74HC245D, FM富满 74HC245C


Use Logic Level Shifter

Schematic

Simple method Logic shifter - Resistor ladder

Resistor ladder logic shifter.png
  • From 5V arduino SPI to 3.3V SD card SPI.
  • 2.4K serial connect to SD, and 4.7K pull to ground.
  • Not necessary for DO out from 3.3V SPI SD card.

Logic Gates

INPUT OUTPUT
A B A NAND B
0 0 1
0 1 1
1 0 1
1 1 0
  • NC7SZ00 - NAND

Hex Invert

Documents

Pages in category "Voltage Translator"

The following 2 pages are in this category, out of 2 total.