Difference between revisions of "7400 Series"

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Line 1: Line 1:
* 74HC14D
+
* 74HC14D - inverter
 +
* 74HC125 -
 +
* 74HC245
 
* 74HC164
 
* 74HC164
 
* 74HC165
 
* 74HC165
 +
* 74HC595
 +
 +
 
* 74HC573
 
* 74HC573
  

Revision as of 12:59, 21 July 2021

  • 74HC14D - inverter
  • 74HC125 -
  • 74HC245
  • 74HC164
  • 74HC165
  • 74HC595


  • 74HC573

Common Used

Name Type Function
74-595 HC/HCT 8-bit shift registers, output latches, three-state parallel outputs
74-245 HC/HCT octal bus transceiver, non-inverting three-state outputs
Example Example Example
  • NXP 74HCT245D
  • TI SN74HCT245DW RG4
  • TOSHIBA 74HCT245D

derivative families

  • HC – High-speed CMOS, similar performance to 74LS, 12 ns. 2.0–6.0 V.
  • HCT – High speed, compatible logic levels to bipolar parts.
Header text LOW Input HIGH Input
HC 1.5V 3.5V
HCT 0.8V 2.0V


系列 电平 典型传输延迟ns 最大驱动电流(-Ioh/Lol)mA
AHC CMOS 8.5 -8/8 Example Example
AHCT COMS/TTL 8.5 -8/8 Example Example
HC COMS 25 -8/8 Example Example
HCT COMS/TTL 25 -8/8 Example Example
ACT COMS/TTL 10 -24/24 Example Example
F TTL 6.5 -15/64 Example Example
ALS TTL 10 -15/64 Example Example
LVC Example Example Example
AC Example Example Example
S Example Example Example
LC Example Example Example


Reference