EEWORLDEEWORLDEEWORLD

Part Number

Search

74LS490DCQR

Description
Decade Counter, Asynchronous, Up Direction, TTL, CDIP16,
Categorylogic    logic   
File Size106KB,2 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Download Datasheet Parametric Compare View All

74LS490DCQR Overview

Decade Counter, Asynchronous, Up Direction, TTL, CDIP16,

74LS490DCQR Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
package instructionDIP, DIP16,.3
Reach Compliance Codecompliant
Counting directionUP
JESD-30 codeR-XDIP-T16
JESD-609 codee0
Load/preset inputNO
Logic integrated circuit typeDECADE COUNTER
Operating modeASYNCHRONOUS
Humidity sensitivity level2A
Number of functions2
Number of terminals16
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialCERAMIC
encapsulated codeDIP
Encapsulate equivalent codeDIP16,.3
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)250
power supply5 V
Nominal supply voltage (Vsup)5 V
surface mountNO
technologyTTL
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
Base Number Matches1

74LS490DCQR Related Products

74LS490DCQR 54LS490DMQB 74LS490FCQR 74LS490SC 74LS490DCQM 74LS490FCQM 74LS490PCQM 74LS490PCQR
Description Decade Counter, Asynchronous, Up Direction, TTL, CDIP16, Decade Counter, Asynchronous, Up Direction, TTL, CDIP16, Decade Counter, Asynchronous, Up Direction, TTL, CDFP16, Decade Counter, Asynchronous, Up Direction, TTL, PDSO16, Decade Counter, Asynchronous, Up Direction, TTL, CDIP16, Decade Counter, Asynchronous, Up Direction, TTL, CDFP16, Decade Counter, Asynchronous, Up Direction, TTL, PDIP16, Decade Counter, Asynchronous, Up Direction, TTL, PDIP16,
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible incompatible incompatible
Reach Compliance Code compliant compliant compliant compliant compliant compliant compliant compliant
Counting direction UP UP UP UP UP UP UP UP
JESD-30 code R-XDIP-T16 R-XDIP-T16 R-XDFP-F16 R-PDSO-G16 R-XDIP-T16 R-XDFP-F16 R-PDIP-T16 R-PDIP-T16
JESD-609 code e0 e0 e0 e0 e0 e0 e0 e0
Load/preset input NO NO NO NO NO NO NO NO
Logic integrated circuit type DECADE COUNTER DECADE COUNTER DECADE COUNTER DECADE COUNTER DECADE COUNTER DECADE COUNTER DECADE COUNTER DECADE COUNTER
Operating mode ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS
Number of functions 2 2 2 2 2 2 2 2
Number of terminals 16 16 16 16 16 16 16 16
Maximum operating temperature 70 °C 125 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C
Package body material CERAMIC CERAMIC CERAMIC PLASTIC/EPOXY CERAMIC CERAMIC PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code DIP DIP DFP SOP DIP DFP DIP DIP
Encapsulate equivalent code DIP16,.3 DIP16,.3 FL16,.3 SOP16,.25 DIP16,.3 FL16,.3 DIP16,.3 DIP16,.3
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form IN-LINE IN-LINE FLATPACK SMALL OUTLINE IN-LINE FLATPACK IN-LINE IN-LINE
power supply 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
Nominal supply voltage (Vsup) 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
surface mount NO NO YES YES NO YES NO NO
technology TTL TTL TTL TTL TTL TTL TTL TTL
Temperature level COMMERCIAL MILITARY COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form THROUGH-HOLE THROUGH-HOLE FLAT GULL WING THROUGH-HOLE FLAT THROUGH-HOLE THROUGH-HOLE
Terminal pitch 2.54 mm 2.54 mm 1.27 mm 1.27 mm 2.54 mm 1.27 mm 2.54 mm 2.54 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Is it lead-free? Contains lead - Contains lead Contains lead Contains lead Contains lead Contains lead Contains lead
package instruction DIP, DIP16,.3 - DFP, FL16,.3 SOP, SOP16,.25 DIP, DIP16,.3 DFP, FL16,.3 DIP, DIP16,.3 DIP, DIP16,.3
Humidity sensitivity level 2A - 2A 2A 2A 2A 2A 2A
Peak Reflow Temperature (Celsius) 250 - 250 250 250 250 250 250
Maximum time at peak reflow temperature 30 - 30 30 30 30 30 30
Base Number Matches 1 1 1 1 1 1 - -
Certification status - Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified -
Newbie help... OCMJ15X20D LCD display
http://www.ec66.com/market/manual/OCMJ-D.pdf The PDF above, the last paragraph on page 13. It talks about the operation process of the MCU on the LCD module buffer and Display RAM. I would like to ask...
xiangbing Embedded System
Highly recommended: Give old motors new tricks, a motor drive engineer with 34 years of experience shares his experience!
I have been paying attention to the content related to motor drive recently, and I found this course of TI very interesting. The speaker is an engineer with 34 years of experience in motor drive. The ...
soso Microcontroller MCU
First time learning TI
The teacher asked me to learn the communication protocol and control method (such as SPI instruction) of TI 's MCU and RF ( CC series)Since the teacher's explanation was too abstract, I wanted to lear...
yang3302 Microcontroller MCU
ARM and embedded Linux training videos + dsp CPLD FPGA development videos + embedded system development practical technology videos
ARM and embedded linux training video + dsp CPLD FPGA development video + embedded system development practical technology video rare high-quality learning materials! (It is the teaching content of a ...
yingzi9 Linux and Android
Question about "write a byte to 24c02 and read it out to verify"
Is there something wrong with SCL and SDA? Why can't I use Keil to verify C1 and C2? They both show 0xff. Why? The code is as follows: [code]#define uchar unsigned char //define for easy use #define u...
staraa Embedded System
IAR Workbench4.11B registration machine
Hehe, friends who use MSP430, please note that the latest version of IAR 4.11B has a registration machine. You can get rid of the one-month usage limit, so use it with confidence! ! ! ! !...
yuxitianya MCU

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2550  1093  2874  1306  2297  52  22  58  27  47 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号